{"id":107045,"date":"2019-12-10T15:39:01","date_gmt":"2019-12-10T14:39:01","guid":{"rendered":"https:\/\/www.erasmusmagazine.nl\/en\/?p=107045"},"modified":"2026-01-16T16:41:22","modified_gmt":"2026-01-16T15:41:22","slug":"these-are-the-tangible-memories-of-jan-tinbergen-fifty-years-after-his-nobel-prize","status":"publish","type":"post","link":"https:\/\/www.erasmusmagazine.nl\/en\/2019\/12\/10\/these-are-the-tangible-memories-of-jan-tinbergen-fifty-years-after-his-nobel-prize\/","title":{"rendered":"These are the tangible memories of Jan Tinbergen, fifty years after his Nobel Prize"},"content":{"rendered":"<p>On Tuesday 10 December it is exactly fifty years since Jan Tinbergen received the very first Nobel Economics Prize. Searching for traces of Rotterdam\u2019s most famous economist, using a photo album, thousands of sheets of paper and the ticket that Tinbergen used to travel through Stockholm in the week of the award ceremony.<\/p>\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1066\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-1600x1066.jpg?image-crop-positioner-ts=1766139194\" alt=\"\" class=\"wp-image-107052\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-1600x1066.jpg?image-crop-positioner-ts=1766139194 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-300x200.jpg?image-crop-positioner-ts=1766139194 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-875x583.jpg?image-crop-positioner-ts=1766139194 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-1280x853.jpg?image-crop-positioner-ts=1766139194 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-150x100.jpg?image-crop-positioner-ts=1766139194 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-225x150.jpg?image-crop-positioner-ts=1766139194 225w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2.jpg?image-crop-positioner-ts=1766139194 2000w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><figcaption class=\"wp-element-caption\"><p><span>Cora Boele of the Stichting Universitair Historisch Kabinet shows some of the adornments Jan Tinbergen wore for the ceremonies of honorary doctorates.<\/span><\/p> <p data-component=\"image-credits\" class=\"flex flex-wrap gap-2 items-center text-base\">\n\t<span aria-hidden=\"true\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M19.5 5.25H16.9012L15.6234 3.33375C15.555 3.23114 15.4623 3.147 15.3535 3.08879C15.2448 3.03057 15.1233 3.00007 15 3H9C8.87665 3.00007 8.75522 3.03057 8.64648 3.08879C8.53773 3.147 8.44502 3.23114 8.37656 3.33375L7.09781 5.25H4.5C3.90326 5.25 3.33097 5.48705 2.90901 5.90901C2.48705 6.33097 2.25 6.90326 2.25 7.5V18C2.25 18.5967 2.48705 19.169 2.90901 19.591C3.33097 20.0129 3.90326 20.25 4.5 20.25H19.5C20.0967 20.25 20.669 20.0129 21.091 19.591C21.5129 19.169 21.75 18.5967 21.75 18V7.5C21.75 6.90326 21.5129 6.33097 21.091 5.90901C20.669 5.48705 20.0967 5.25 19.5 5.25ZM15.375 12.375C15.375 13.0425 15.1771 13.695 14.8062 14.25C14.4354 14.8051 13.9083 15.2376 13.2916 15.4931C12.6749 15.7485 11.9963 15.8154 11.3416 15.6852C10.6869 15.5549 10.0855 15.2335 9.61351 14.7615C9.14151 14.2895 8.82007 13.6881 8.68985 13.0334C8.55962 12.3787 8.62646 11.7001 8.88191 11.0834C9.13735 10.4667 9.56993 9.93964 10.125 9.56879C10.68 9.19794 11.3325 9 12 9C12.8951 9 13.7535 9.35558 14.3865 9.98851C15.0194 10.6214 15.375 11.4799 15.375 12.375Z\" fill=\"currentColor\"\/>\n<\/svg>\n<\/span>\n\t<span class=\"sr-only\">Image by:<\/span>\n\n\t\t\t<span>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/persons\/levien-willemse\/\" class=\"underline hocus:no-underline decoration-1 underline-offset-2\">Levien Willemse<\/a>\t\t\t\t\t<\/span>\n\t<\/p>\n<\/figcaption><\/figure><p>\u201cThis is my favourite Tinbergen possession\u201d, explained Erwin Dekker, while leafing through his photo album. Dekker is working on a biography about the economist and has received a book from the family with photos of his various visits to India. \u201cLook, there\u2019s even a photo in which he\u2019s planting a tree\u201d, the biographer smiled.<\/p>\n<p>I asked Dekker, Cora Boele (who manages a sizeable Tinbergen collection for Stichting Universitair Historisch Kabinet) and Pieter van Leeuwen (responsible for digitising his gigantic work archive) to select objects as a starting point for an interview about Jan Tinbergen. It has been fifty years since Rotterdam\u2019s most famous economist received the very first Nobel Economics Prize. We\u2019ve written about him previously; about his <a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/10\/17\/without-an-economic-model-all-we-can-do-is-freak-out\/?noredirect=en_US\">significance for Econometrics<\/a>. About <a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/12\/10\/tinbergens-descendants-his-spirit-is-still-with-us\/?noredirect=en_US\">lecturers inspired by Tinbergen<\/a>. How the <a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/11\/14\/jan-tinbergen-features-largely-in-dies-natalis-festivities-the-event-captured-in-photos\/?noredirect=en_US\">Dies<\/a> and this year\u2019s <a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/10\/15\/soon-to-be-honorary-doctor-receives-nobel-prize-in-economic-sciences-for-contribution-to-alleviating-poverty\/?noredirect=en_US\">Nobel Prize<\/a> were all about his ideas. That a new <a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/11\/08\/heres-the-sneak-peek-of-the-tinbergen-variations-new-composition-for-the-dies\/?noredirect=en_US\">piece of music<\/a> has been named after him. We even discovered that he is <a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/09\/04\/this-is-why-the-buildings-on-campus-have-these-letters\/?noredirect=en_US\">indirectly responsible for those confusing building names<\/a> on campus. But what tangible memories can still actually be found some half a century later?<\/p>\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e6794b5b477&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e6794b5b477\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse.jpg?image-crop-positioner-ts=1766139194\" alt=\"\" class=\"wp-image-107050\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse.jpg?image-crop-positioner-ts=1766139194 2000w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse-300x200.jpg?image-crop-positioner-ts=1766139194 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse-875x583.jpg?image-crop-positioner-ts=1766139194 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse-1280x853.jpg?image-crop-positioner-ts=1766139194 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse-1600x1066.jpg?image-crop-positioner-ts=1766139194 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse-150x100.jpg?image-crop-positioner-ts=1766139194 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145003\/Erwin-Dekker-Jan-Tinbergen-Levien-Willemse-225x150.jpg?image-crop-positioner-ts=1766139194 225w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\"><p data-component=\"image-credits\" class=\"flex flex-wrap gap-2 items-center text-base\">\n\t<span aria-hidden=\"true\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M19.5 5.25H16.9012L15.6234 3.33375C15.555 3.23114 15.4623 3.147 15.3535 3.08879C15.2448 3.03057 15.1233 3.00007 15 3H9C8.87665 3.00007 8.75522 3.03057 8.64648 3.08879C8.53773 3.147 8.44502 3.23114 8.37656 3.33375L7.09781 5.25H4.5C3.90326 5.25 3.33097 5.48705 2.90901 5.90901C2.48705 6.33097 2.25 6.90326 2.25 7.5V18C2.25 18.5967 2.48705 19.169 2.90901 19.591C3.33097 20.0129 3.90326 20.25 4.5 20.25H19.5C20.0967 20.25 20.669 20.0129 21.091 19.591C21.5129 19.169 21.75 18.5967 21.75 18V7.5C21.75 6.90326 21.5129 6.33097 21.091 5.90901C20.669 5.48705 20.0967 5.25 19.5 5.25ZM15.375 12.375C15.375 13.0425 15.1771 13.695 14.8062 14.25C14.4354 14.8051 13.9083 15.2376 13.2916 15.4931C12.6749 15.7485 11.9963 15.8154 11.3416 15.6852C10.6869 15.5549 10.0855 15.2335 9.61351 14.7615C9.14151 14.2895 8.82007 13.6881 8.68985 13.0334C8.55962 12.3787 8.62646 11.7001 8.88191 11.0834C9.13735 10.4667 9.56993 9.93964 10.125 9.56879C10.68 9.19794 11.3325 9 12 9C12.8951 9 13.7535 9.35558 14.3865 9.98851C15.0194 10.6214 15.375 11.4799 15.375 12.375Z\" fill=\"currentColor\"\/>\n<\/svg>\n<\/span>\n\t<span class=\"sr-only\">Image by:<\/span>\n\n\t\t\t<span>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/persons\/levien-willemse\/\" class=\"underline hocus:no-underline decoration-1 underline-offset-2\">Levien Willemse<\/a>\t\t\t\t\t<\/span>\n\t<\/p>\n<\/figcaption><\/figure><p>The photo album that lies between us in the Bayle Building meeting room was a gift from the Indian Statistical Institute, an \u2018international hub where development expertise converges\u2019. Jan Tinbergen travelled across the world after the Second World War as a kind of advisor. \u201cHe didn\u2019t actually do that much in India\u201d, explained Dekker. \u201cBut it was an important place for him, as statistics were already well-organised there.\u201d In the Netherlands he is mainly known for his role as founder of the Netherlands Bureau for Economic Policy Analysis (CPB). What is less well-known is that, internationally, he also made all kinds of macro-economic models.<\/p>\n<h2 class=\"wp-block-heading\">Idealistic project<\/h2><p>He established an equivalent to the Netherlands Bureau for Economic Policy Analysis (CPB) in Turkey. \u201cTinbergen was sent there in 1959. At that time there was a huge modernisation movement, in the spirit of Atat\u00fcrk, and there was a strong push to link the country with the West.\u201d Following a military coup, his Bureau for Economic Policy Analysis was written into the Turkish constitution, despite domestic opposition.<\/p>\n<p>\u201cIn hindsight, his international activities appear slightly neo-colonial and sometimes even communist. For instance, he made five-year plans.\u201d The Turkish project was not necessarily a success, explained Dekker. \u201cNot all economies can be planned, such as those of rural areas or the informal economy. It is almost impossible to cover these using models. Support for Tinbergen\u2019s project waned due to political unrest, after which he decided to leave.\u201d<\/p>\n\n\t<div data-name=\"acf\/quote\" class=\"align\" >\n\t\t<div class=\"\">\n\t\t\t<figure data-component=\"quote-with-author\" class=\"@container\">\n\t<blockquote class=\"text-md italic @2xl:text-xl @4xl:text-2xl text-purple\">\n\t\t\u2018Tinbergen was an anti-colonialist, but he did sometimes get things wrong\u2019\n\t<\/blockquote>\n\n\t<\/figure>\n\t\t<\/div>\n\t<\/div>\n<p>\u201cTinbergen was an anti-colonialist, but he did sometimes get things wrong\u201d, stated Dekker regarding Tinbergen\u2019s international activities. \u201cFor instance, he was a good friend of politicians who were responsible for police actions. Years later, in an interview, he admitted that he was ashamed that he had never opposed this.\u201d<\/p>\n<p>Dekker thinks you can actually consider his entire life to be an idealistic project. \u201cOf course, he came from The Hague, and the development of his native city into the city of international peace is a fantastic metaphor for his life. These developments ran almost in parallel with the life and work of Jan Tinbergen.\u201d<\/p>\n\n\t<div data-name=\"acf\/posts-list\" >\n\t\t\n\t\t<div class=\"space-y-6 md:space-y-8\">\n\n\t\t\t\t\t\t\t<h2 class=\"text-lg md:text-xl\">Read more<\/h2>\n\t\t\t\n\t\t\t<ul class=\"grid items-strecth grid-cols-1 gap-2 md:gap-4 lg:gap-8\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<li class=\"@container\">\n\t\t\t\t\t\t\n<div data-component=\"teaser-post-small\" class=\"block-theme-sand  relative flex h-full bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\ttheme-mocha:bg-white! theme-violet:bg-white! theme-sand:bg-white!\n\tflex-row gap-4 @md:gap-8 p-4 @md:p-6\">\n\t\t\t<div class=\"image:w-full image:aspect-square image:object-cover shrink-0 size-17.5 @sm:size-21.25 @md:size-30 @lg:size-40\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"356\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot.jpg?image-crop-positioner-ts=1766139188\" class=\"attachment-square_lg size-square_lg\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot.jpg?image-crop-positioner-ts=1766139188 2000w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot-300x232.jpg?image-crop-positioner-ts=1766139188 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot-875x678.jpg?image-crop-positioner-ts=1766139188 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot-1280x991.jpg?image-crop-positioner-ts=1766139188 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot-1600x1239.jpg?image-crop-positioner-ts=1766139188 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot-150x116.jpg?image-crop-positioner-ts=1766139188 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/10\/17102210\/em-waarzegster-economisch-model-eng-Bas-van-der-Schot-225x174.jpg?image-crop-positioner-ts=1766139188 225w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/>\n\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 \">\n\t\t\t\t<h3 class=\"text-md @lg:text-lg\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/10\/17\/without-an-economic-model-all-we-can-do-is-freak-out\/\" class=\"absolute-link text-current hocus:underline inline-block\">\n\t\t\t\t\u2018Without an economic model, all we can do is freak out\u2019\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2019-10-17\">17 October 2019<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tThe Issue\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<\/div>\n\t<\/div>\n<h2 class=\"wp-block-heading\">Tinbergen\u2019s Angels<\/h2><p>\u201cIt\u2019s actually a pity that we only have his work archive at EUR. It would have been interesting for me to have something personal. I\u2019m not an economist, so I find it difficult to understand a large proportion of the archive\u201d, explained library employee Pieter van Leeuwen while we stood together looking at an archive box. Together with his colleagues Reinier Tuinzaad and Jan Slijkoort (\u2018Tinbergen\u2019s Angels\u2019, as Van Leeuwen calls them), he is responsible for digitising Jan Tinbergen\u2019s work archive. The family already loaned this to Erasmus University in 1994. \u201cIt\u2019s a fantastic archive, but also extremely vulnerable. For instance, you can\u2019t just lend out individual letters.\u201d<\/p>\n<p>Eight years ago, Tinbergen followers within the university, under the supervision of Albert Jolink (who was Head of Department at University College and Professor of the History of Economic Thinking), took the initiative to disseminate Tinbergen\u2019s ideas more. \u201cUnfortunately, at that time we didn\u2019t manage to make his archive accessible \u2013 but a few years later following various grants, we were able to get started.\u201d The first section, Jan Tinbergen\u2019s correspondence up to 1956, is now available online. Almost ten thousand letters to and from Erasmus University\u2019s most well-known economist are stored on <em>tinbergenletters.eur.nl<\/em>.<\/p>\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e6794b8501f&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e6794b8501f\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse.jpg?image-crop-positioner-ts=1766139194\" alt=\"\" class=\"wp-image-107051\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse.jpg?image-crop-positioner-ts=1766139194 2000w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse-300x200.jpg?image-crop-positioner-ts=1766139194 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse-875x583.jpg?image-crop-positioner-ts=1766139194 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse-1280x853.jpg?image-crop-positioner-ts=1766139194 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse-1600x1066.jpg?image-crop-positioner-ts=1766139194 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse-150x100.jpg?image-crop-positioner-ts=1766139194 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145036\/Pieter-van-Leeuwen-en-Reinier-Tuinzaad-Jan-Tinbergen-Levien-Willemse-225x150.jpg?image-crop-positioner-ts=1766139194 225w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\"><p><span>Pieter van Leeuwen and Reinier Tuinzaad with the Tinbergen archive in the University Library.<\/span><\/p> <p data-component=\"image-credits\" class=\"flex flex-wrap gap-2 items-center text-base\">\n\t<span aria-hidden=\"true\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M19.5 5.25H16.9012L15.6234 3.33375C15.555 3.23114 15.4623 3.147 15.3535 3.08879C15.2448 3.03057 15.1233 3.00007 15 3H9C8.87665 3.00007 8.75522 3.03057 8.64648 3.08879C8.53773 3.147 8.44502 3.23114 8.37656 3.33375L7.09781 5.25H4.5C3.90326 5.25 3.33097 5.48705 2.90901 5.90901C2.48705 6.33097 2.25 6.90326 2.25 7.5V18C2.25 18.5967 2.48705 19.169 2.90901 19.591C3.33097 20.0129 3.90326 20.25 4.5 20.25H19.5C20.0967 20.25 20.669 20.0129 21.091 19.591C21.5129 19.169 21.75 18.5967 21.75 18V7.5C21.75 6.90326 21.5129 6.33097 21.091 5.90901C20.669 5.48705 20.0967 5.25 19.5 5.25ZM15.375 12.375C15.375 13.0425 15.1771 13.695 14.8062 14.25C14.4354 14.8051 13.9083 15.2376 13.2916 15.4931C12.6749 15.7485 11.9963 15.8154 11.3416 15.6852C10.6869 15.5549 10.0855 15.2335 9.61351 14.7615C9.14151 14.2895 8.82007 13.6881 8.68985 13.0334C8.55962 12.3787 8.62646 11.7001 8.88191 11.0834C9.13735 10.4667 9.56993 9.93964 10.125 9.56879C10.68 9.19794 11.3325 9 12 9C12.8951 9 13.7535 9.35558 14.3865 9.98851C15.0194 10.6214 15.375 11.4799 15.375 12.375Z\" fill=\"currentColor\"\/>\n<\/svg>\n<\/span>\n\t<span class=\"sr-only\">Image by:<\/span>\n\n\t\t\t<span>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/persons\/levien-willemse\/\" class=\"underline hocus:no-underline decoration-1 underline-offset-2\">Levien Willemse<\/a>\t\t\t\t\t<\/span>\n\t<\/p>\n<\/figcaption><\/figure><p>\u201cThe rest were all in separate piles in our repository\u201d, explained Van Leeuwen. \u201cThat was mainly organized thematically and included everything: letters, all kinds of notes, plans for scientific and newspaper articles, written radio talks.\u201d The entire archive is intended to be accessible in the spring.<\/p>\n<p>These separate piles have now all been organised into acid free blue folders and archive boxes, and each piece has been given a code. This involves reams of individual sheets of paper from which letters and manuscripts were selected, categorised and scanned one by one last year. We leafed through part of the archive together.<\/p>\n<h2 class=\"wp-block-heading\">Used envelopes<\/h2><p>Hand-written first drafts of scientific articles. Letters with comments in the margins such as \u2018I\u2019m not against this, but on the other hand, I don\u2019t expect much from it\u2019 or \u2018No time for this in March, maybe ask the ambassador\u2019. A request to the Minister of Education to offer a grant to a student from a developing country to attend the International Institute of Social Studies, which in the end was honoured. A short, friendly letter to Ragnar Frisch, with whom Tinbergen won the Nobel Prize. A letter from protege Jan Pronk \u2013 \u2018who is still living, so don\u2019t quote from this\u2019. And countless messages to and from politicians, educational institutions and development organisations.<\/p>\n<p>Van Leeuwen is impressed by the sizeable archive. \u201cTinbergen continued to write even after he retired. And the frugality stands out when you view the entire archive\u201d, he explained. \u201cThere was, of course, a shortage of paper just after the war, so he used thin paper and filled every page with writing. Used envelopes were also reused: he cut them open so that they could be used as a sleeve folder for papers that he wanted to keep.\u201d<\/p>\n\n\t<div data-name=\"acf\/posts-list\" >\n\t\t\n\t\t<div class=\"space-y-6 md:space-y-8\">\n\n\t\t\t\t\t\t\t<h2 class=\"text-lg md:text-xl\">Read more<\/h2>\n\t\t\t\n\t\t\t<ul class=\"grid items-strecth grid-cols-1 gap-2 md:gap-4 lg:gap-8\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<li class=\"@container\">\n\t\t\t\t\t\t\n<div data-component=\"teaser-post-small\" class=\"block-theme-sand  relative flex h-full bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\ttheme-mocha:bg-white! theme-violet:bg-white! theme-sand:bg-white!\n\tflex-row gap-4 @md:gap-8 p-4 @md:p-6\">\n\t\t\t<div class=\"image:w-full image:aspect-square image:object-cover shrink-0 size-17.5 @sm:size-21.25 @md:size-30 @lg:size-40\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"307\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther.jpg?image-crop-positioner-ts=1766139194\" class=\"attachment-square_lg size-square_lg\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther.jpg?image-crop-positioner-ts=1766139194 2000w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther-300x200.jpg?image-crop-positioner-ts=1766139194 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther-875x583.jpg?image-crop-positioner-ts=1766139194 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther-1280x853.jpg?image-crop-positioner-ts=1766139194 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther-1600x1066.jpg?image-crop-positioner-ts=1766139194 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther-150x100.jpg?image-crop-positioner-ts=1766139194 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/09130547\/Tinbergen_Esther-225x150.jpg?image-crop-positioner-ts=1766139194 225w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/>\n\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 \">\n\t\t\t\t<h3 class=\"text-md @lg:text-lg\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/12\/10\/tinbergens-descendants-his-spirit-is-still-with-us\/\" class=\"absolute-link text-current hocus:underline inline-block\">\n\t\t\t\tTinbergen&#8217;s &#8216;descendants&#8217;: his spirit is still with us\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2019-12-10\">10 December 2019<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tEducation\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<\/div>\n\t<\/div>\n<h2 class=\"wp-block-heading\">Frugal trade union member<\/h2><p>Cora Boele from Stichting Universitair Historisch Kabinet (SUHK) also talked about the economist\u2019s frugality. \u201cOf course, he experienced the 1930s, the Second World War and the reconstruction. After that he spent a lot of time in what we then called the third world. Tinbergen had seen a lot of misery. I think that\u2019s why he didn\u2019t want any finery.\u201d<\/p>\n<p>Although the correspondence and the work archive ended up in the University Library, the SUKH has more physical memorabilia on loan. Boele showed a small golden pin with a hardly visible diamond and the FNV trade union logo. \u201cAs a true socialist, Tinbergen was of course a lifelong trade union member.\u201d He was member of the Nederlands Verbond van Vakverenigingen, which later became the FNV following a merger with the Katholiek Vakverbond. He received the pin following fifty years of membership. \u201cHe would probably have liked that.\u201d<\/p>\n\n\t<div data-name=\"acf\/quote\" class=\"align\" >\n\t\t<div class=\"\">\n\t\t\t<figure data-component=\"quote-with-author\" class=\"@container\">\n\t<blockquote class=\"text-md italic @2xl:text-xl @4xl:text-2xl text-purple\">\n\t\t\u2018As a true socialist, Tinbergen was of course a lifelong trade union member\u2019\n\t<\/blockquote>\n\n\t<\/figure>\n\t\t<\/div>\n\t<\/div>\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e6794b89719&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69e6794b89719\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2.jpg?image-crop-positioner-ts=1766139194\" alt=\"\" class=\"wp-image-107052\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2.jpg?image-crop-positioner-ts=1766139194 2000w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-300x200.jpg?image-crop-positioner-ts=1766139194 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-875x583.jpg?image-crop-positioner-ts=1766139194 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-1280x853.jpg?image-crop-positioner-ts=1766139194 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-1600x1066.jpg?image-crop-positioner-ts=1766139194 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-150x100.jpg?image-crop-positioner-ts=1766139194 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2019\/12\/10145104\/Cora-Boele-Jan-Tinbergen-Levien-Willemse-2-225x150.jpg?image-crop-positioner-ts=1766139194 225w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\"><p><span>Cora Boele of the Stichting Universitair Historisch Kabinet shows some of the adornments Jan Tinbergen wore for the ceremonies of honorary doctorates.<\/span><\/p> <p data-component=\"image-credits\" class=\"flex flex-wrap gap-2 items-center text-base\">\n\t<span aria-hidden=\"true\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M19.5 5.25H16.9012L15.6234 3.33375C15.555 3.23114 15.4623 3.147 15.3535 3.08879C15.2448 3.03057 15.1233 3.00007 15 3H9C8.87665 3.00007 8.75522 3.03057 8.64648 3.08879C8.53773 3.147 8.44502 3.23114 8.37656 3.33375L7.09781 5.25H4.5C3.90326 5.25 3.33097 5.48705 2.90901 5.90901C2.48705 6.33097 2.25 6.90326 2.25 7.5V18C2.25 18.5967 2.48705 19.169 2.90901 19.591C3.33097 20.0129 3.90326 20.25 4.5 20.25H19.5C20.0967 20.25 20.669 20.0129 21.091 19.591C21.5129 19.169 21.75 18.5967 21.75 18V7.5C21.75 6.90326 21.5129 6.33097 21.091 5.90901C20.669 5.48705 20.0967 5.25 19.5 5.25ZM15.375 12.375C15.375 13.0425 15.1771 13.695 14.8062 14.25C14.4354 14.8051 13.9083 15.2376 13.2916 15.4931C12.6749 15.7485 11.9963 15.8154 11.3416 15.6852C10.6869 15.5549 10.0855 15.2335 9.61351 14.7615C9.14151 14.2895 8.82007 13.6881 8.68985 13.0334C8.55962 12.3787 8.62646 11.7001 8.88191 11.0834C9.13735 10.4667 9.56993 9.93964 10.125 9.56879C10.68 9.19794 11.3325 9 12 9C12.8951 9 13.7535 9.35558 14.3865 9.98851C15.0194 10.6214 15.375 11.4799 15.375 12.375Z\" fill=\"currentColor\"\/>\n<\/svg>\n<\/span>\n\t<span class=\"sr-only\">Image by:<\/span>\n\n\t\t\t<span>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/persons\/levien-willemse\/\" class=\"underline hocus:no-underline decoration-1 underline-offset-2\">Levien Willemse<\/a>\t\t\t\t\t<\/span>\n\t<\/p>\n<\/figcaption><\/figure><p>It is somewhat ironic that Tinbergen did not like finery, but at the same time probably was Erasmus University\u2019s most celebrated professor. He received 22 honorary doctorates and dozens of other distinctions. Ceremony after ceremony, reception after reception. Boele: \u201cHe must have found that awful.\u201d And, of course, all these honourable ceremonies also required ceremonial dress. Various memorabilia can be found in a cupboard in the depot in the Theil Building cellar: a Spanish gown with orange sleeves trimmed with lace, a gigantic token of honour associated with a distinction from the Belgian royal house and brightly coloured epaulettes with fur tassels.<\/p>\n<h2 class=\"wp-block-heading\">Ticket<\/h2><p>Boele picked up a small diary. \u2018Prijsuitreiking\u2019 (Award ceremony) is written as the entry for 10 December 1969 in tiny untidy handwriting. \u201cI find that really remarkable. I think it\u2019s a good example of the kind of modest man Tinbergen was. And look, this is the Nobel Prize Ceremony conference folder.\u201d She showed a discoloured folder on which Jan Tinbergen\u2019s name was printed. He travelled across Stockholm by public transport, as is apparent from the ticket that has been in the folder for some fifty years. Another similar ticket fell out of the folder. \u201cThis will probably have been Mrs Tinbergen\u2019s ticket.\u201d<\/p>\n\n\t<div data-name=\"acf\/quote\" class=\"align\" >\n\t\t<div class=\"\">\n\t\t\t<figure data-component=\"quote-with-author\" class=\"@container\">\n\t<blockquote class=\"text-md italic @2xl:text-xl @4xl:text-2xl text-purple\">\n\t\t\u2018Don\u2019t write in your piece where the real Nobel Prize medal is. One was once sold for a huge amount of money\u2019\n\t<\/blockquote>\n\n\t<\/figure>\n\t\t<\/div>\n\t<\/div>\n<p>While we viewed all the certificates of honorary doctorates and other distinctions in the photo archive (an amusing detail is that his name is consistently spelled incorrectly as \u2018Johannes\u2019 or, in French, \u2018Jean\u2019 \u2013 Boele smiled: \u201cHe was just called Jan, very modest!\u201d) colleague Herman Gerritsen, the custodian of the EUR medal collection, conjured up a pouch. The pouch contained a medal: the original Nobel Prize medal from the <em>Sveriges Riksbank<\/em> in 1969.<\/p>\n<p>Apparently, the Nobel Prize on show in the Centennial Room next to the Erasmus Building entrance is a replica. Gerritsen showed the edges of the original engraved with the words \u2018Jan Tinbergen 1969\u2019. \u201cDon\u2019t write in your piece where the real Nobel Prize medal is. One was once sold for a huge amount of money\u201d, he said, while I hold the medal and attempt to guess its weight.<\/p>\n<h2 class=\"wp-block-heading\">\u2018By sharing we profit\u2019<\/h2><p>As well as the replica of the Nobel Prize medal, Jan Tinbergen\u2019s most famous quotation can also be found on campus. On a wall opposite the Spar you can see: \u201cVan de verdeling komt de winst.\u201d (By sharing we profit.) But what does that actually mean? Dekker had to smile when I asked. Because what Tinbergen meant with this is not entirely clear and is possibly a considerable misinterpretation of his work.<\/p>\n<p>In 1930 the Austrian physicist Paul Ehrenfest, Tinbergen\u2019s tutor when he studied Physics in Leiden, wrote an assignment for an essay competition. Dekker: \u201cHe formulated the assignment so that actually only Jan Tinbergen could win.\u201d And that also happened with his essay \u2018<em>By sharing we profit<\/em>\u2019. But Dekker discovered that that essay no longer exists. In the Legatum Stolpianum archives, this award still exists by the way, a number of winning essays from the 1930s are missing, including that of the later Nobel Prize winner. The only thing that remains is a press release from the then <em>Leidsch Dagblad<\/em>. \u201cSo technically, we don\u2019t know what he meant.\u201d<\/p>\n\n\t<div data-name=\"acf\/quote\" class=\"align\" >\n\t\t<div class=\"\">\n\t\t\t<figure data-component=\"quote-with-author\" class=\"@container\">\n\t<blockquote class=\"text-md italic @2xl:text-xl @4xl:text-2xl text-purple\">\n\t\t\u2018In 1953 Tinbergen already considered that the welfare state was more or less complete\u2019\n\t<\/blockquote>\n\n\t<\/figure>\n\t\t<\/div>\n\t<\/div>\n<p>Summarising it very briefly, Dekker stated that the essay was about marginal value. In this he probably argued something like: \u201cIf you distribute resources more fairly, and in doing so assume that people have comparable needs, this results in more value in general. If someone already has a lot and they receive just a very small amount extra, then the additional value is not that high. But if someone doesn\u2019t have very much and you give a little bit more, then that person receives a huge amount of additional value from this.\u201d<\/p>\n<p>\u201cI don\u2019t think Tinbergen believed in this throughout the rest of his life. In 1953 he already considered that the welfare state was more or less complete. From that point onwards he no longer saw the value of redistribution. Actually, that quotation puts him in the wrong corner.\u201d You could argue, added Dekker, that Tinbergen was a huge advocate for the distribution of skills. \u201cHe said: only by educating people and redistributing via education, the offer side of the economy, can you ensure that people are better paid.\u201d<\/p>\n\t<div data-name=\"acf\/featured-text\" class=\"md:mt-6 p-4 md:p-6 lg:p-8 bg-sand-300 theme-sand:bg-white theme-violet:bg-white theme-mocha:bg-white wysiwyg *:last:mb-0!\" >\n\t\t<p>Would you like to view Tinbergen\u2019s legacy? Almost ten thousand letters to and from Jan Tinbergen are available on <a href=\"http:\/\/www.tinbergenletters.eur.nl\">tinbergenletters.eur.nl<\/a>. An exhibition of his medals can be seen in the Gallery in Erasmus Building, and in the permanent exhibition next to the entrance, you can find the Nobel Prize certificate and medal, although these are replicas. An exhibition about Tinbergen\u2019s life and work is available in the E-building, the temporary accommodation for the economy faculty. A bronze bust will be unveiled there on 17 December by Mayor Ahmed Aboutaleb. Erwin Dekker\u2019s biography is due to appear after the summer.<\/p>\n\n\t<\/div>\n\n\t<div data-name=\"acf\/persons\" class=\"mt-6 md:mt-8 lg:mt-10\" >\n\t\t\t\t\t<h2 class=\"sr-only\">De redactie<\/h2>\n\t\t\n\t\t<div class=\"space-y-6\">\n\n\t\t\t\n\t\t\t<ul class=\"grid grid-cols-1 md:grid-cols-2 gap-4 md:gap-8 md:items-center\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<div data-component=\"teaser-person\" class=\"relative flex gap-4 items-center md:gap-8\">\n\n\t\t\t<span class=\"image:rounded-full image:size-20 image:aspect-square image:object-cover md:image:size-36 shrink-0\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-1600x1600.jpg?image-crop-positioner-ts=1768313449\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-1600x1600.jpg?image-crop-positioner-ts=1768313449 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-875x875.jpg?image-crop-positioner-ts=1768313449 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-300x300.jpg?image-crop-positioner-ts=1768313449 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-1280x1280.jpg?image-crop-positioner-ts=1768313449 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-1536x1536.jpg?image-crop-positioner-ts=1768313449 1536w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/Tim-Ficheroux_profielfoto-bol_Leroy-Verbeet-2026-2048x2048.jpg?image-crop-positioner-ts=1768313449 2048w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/>\n\t\t<\/span>\n\t\n\t<div>\n\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/persons\/tim-ficheroux\/\" class=\"absolute-link font-tiempos-headline underline hocus:no-underline decoration-1 underline-offset-2 text-lg text-current\">Tim Ficheroux<\/a>\n\n\t\t\t\t\t<p class=\"text-md\">Desk editor<\/p>\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/div>\n\t<\/div>\n\n\t<div data-name=\"acf\/posts\" class=\"alignfull py-6 md:py-8 lg:py-10 bg-white\" >\n\t\t<div class=\"container-fixed\">\n\n\t\t\t\n\t\t\t<div class=\"space-y-6 md:space-y-8\">\n\n\t\t\t\t\t\t\t\t\t<h2 class=\"text-xl md:text-2xl\">Latest news<\/h2>\n\t\t\t\t\n\t\t\t\t\t\n\t<ul data-component=\"post-grid\" class=\"grid items-stretch grid-cols-1 gap-2 md:gap-4 lg:gap-8 text-zoom-lg:grid-cols-1\n\t\t\n\t\tlg:grid-cols-3\n\t\t\">\n\n\t\t\n\t\t\t\t\t\t\n\t\t\t\n\t\t\t<li class=\"@container\">\n\t\t\t\t\n<div data-component=\"teaser-post\" class=\"block-theme-sand hidden lg:flex h-full relative flex bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\tflex-col @xl:flex-row\">\n\t\t\t<div class=\"relative image:w-full image:aspect-video image:object-cover shrink-0 w-full @xl:w-1\/2\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1018\" height=\"720\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-scaled.jpg?image-crop-positioner-ts=1766139286\" class=\"attachment-video_xl size-video_xl\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-scaled.jpg?image-crop-positioner-ts=1766139286 2560w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-875x618.jpg?image-crop-positioner-ts=1766139286 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-1600x1131.jpg?image-crop-positioner-ts=1766139286 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-300x212.jpg?image-crop-positioner-ts=1766139286 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-1280x905.jpg?image-crop-positioner-ts=1766139286 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-1536x1086.jpg?image-crop-positioner-ts=1766139286 1536w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-2048x1448.jpg?image-crop-positioner-ts=1766139286 2048w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-150x106.jpg?image-crop-positioner-ts=1766139286 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-225x159.jpg?image-crop-positioner-ts=1766139286 225w\" sizes=\"auto, (max-width: 1018px) 100vw, 1018px\" \/>\n\n\t\t\t\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 p-4 @md:p-8 @xl:p-8 \">\n\n\t\t\t\t<h3 class=\"text-md @sm:text-xl @md:text-2xl @xl:text-2xl\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2026\/04\/20\/kabinet-wil-meer-tijdelijke-huurcontracten-voor-studenten\/\" class=\"absolute-link text-current underline-offset-2 decoration-2 hocus:underline @md:decoration-3 @xl:decoration-4 inline-block\">\n\t\t\t\tCabinet wants more temporary rental contracts for students\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2026-04-20\">20 April 2026<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tHousing\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t\t\n<div data-component=\"teaser-post-small\" class=\"block-theme-sand lg:hidden relative flex h-full bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\ttheme-mocha:bg-white! theme-violet:bg-white! theme-sand:bg-white!\n\tflex-row gap-4 @md:gap-8 p-4 @md:p-6\">\n\t\t\t<div class=\"image:w-full image:aspect-square image:object-cover shrink-0 size-17.5 @sm:size-21.25 @md:size-30 @lg:size-40\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"325\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-scaled.jpg?image-crop-positioner-ts=1766139286\" class=\"attachment-square_lg size-square_lg\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-scaled.jpg?image-crop-positioner-ts=1766139286 2560w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-875x618.jpg?image-crop-positioner-ts=1766139286 875w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-1600x1131.jpg?image-crop-positioner-ts=1766139286 1600w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-300x212.jpg?image-crop-positioner-ts=1766139286 300w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-1280x905.jpg?image-crop-positioner-ts=1766139286 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-1536x1086.jpg?image-crop-positioner-ts=1766139286 1536w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-2048x1448.jpg?image-crop-positioner-ts=1766139286 2048w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-150x106.jpg?image-crop-positioner-ts=1766139286 150w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/2022\/05\/23145741\/Studentenhuisvesting-huur-tekort-studentenwoningen-renting-studentenhuis-woningnood-Stock-illustratie-Migle-Alonderyte-225x159.jpg?image-crop-positioner-ts=1766139286 225w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/>\n\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 \">\n\t\t\t\t<h3 class=\"text-md @lg:text-lg\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2026\/04\/20\/kabinet-wil-meer-tijdelijke-huurcontracten-voor-studenten\/\" class=\"absolute-link text-current hocus:underline inline-block\">\n\t\t\t\tCabinet wants more temporary rental contracts for students\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2026-04-20\">20 April 2026<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tHousing\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t<\/li>\n\t\t\n\t\t\t\t\t\t\n\t\t\t\n\t\t\t<li class=\"@container\">\n\t\t\t\t\n<div data-component=\"teaser-post\" class=\"block-theme-sand hidden lg:flex h-full relative flex bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\tflex-col @xl:flex-row\">\n\t\t\t<div class=\"relative image:w-full image:aspect-video image:object-cover shrink-0 w-full @xl:w-1\/2\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-1280x720.jpg?image-crop-positioner-ts=1776684112\" class=\"attachment-video_xl size-video_xl\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-1280x720.jpg?image-crop-positioner-ts=1776684112 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-500x282.jpg?image-crop-positioner-ts=1776684112 500w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-832x468.jpg?image-crop-positioner-ts=1776684112 832w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/>\n\n\t\t\t\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 p-4 @md:p-8 @xl:p-8 \">\n\n\t\t\t\t<h3 class=\"text-md @sm:text-xl @md:text-2xl @xl:text-2xl\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2026\/04\/20\/langere-reistijden-naar-campus-woudestein-door-werkzaamheden-metrostations\/\" class=\"absolute-link text-current underline-offset-2 decoration-2 hocus:underline @md:decoration-3 @xl:decoration-4 inline-block\">\n\t\t\t\tLonger travel times to Woudestein campus due to metro maintenance work\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2026-04-20\">20 April 2026<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tStudent life\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t\t\n<div data-component=\"teaser-post-small\" class=\"block-theme-sand lg:hidden relative flex h-full bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\ttheme-mocha:bg-white! theme-violet:bg-white! theme-sand:bg-white!\n\tflex-row gap-4 @md:gap-8 p-4 @md:p-6\">\n\t\t\t<div class=\"image:w-full image:aspect-square image:object-cover shrink-0 size-17.5 @sm:size-21.25 @md:size-30 @lg:size-40\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"460\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-460x460.jpg?image-crop-positioner-ts=1776684112\" class=\"attachment-square_lg size-square_lg\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-460x460.jpg?image-crop-positioner-ts=1776684112 460w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-115x115.jpg?image-crop-positioner-ts=1776684112 115w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/metro_dicht_voorschoterlaan_april2026_2__esther-dijkstra-230x230.jpg?image-crop-positioner-ts=1776684112 230w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/>\n\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 \">\n\t\t\t\t<h3 class=\"text-md @lg:text-lg\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2026\/04\/20\/langere-reistijden-naar-campus-woudestein-door-werkzaamheden-metrostations\/\" class=\"absolute-link text-current hocus:underline inline-block\">\n\t\t\t\tLonger travel times to Woudestein campus due to metro maintenance work\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2026-04-20\">20 April 2026<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tStudent life\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t<\/li>\n\t\t\n\t\t\t\t\t\t\n\t\t\t\n\t\t\t<li class=\"@container\">\n\t\t\t\t\n<div data-component=\"teaser-post\" class=\"block-theme-sand hidden lg:flex h-full relative flex bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\tflex-col @xl:flex-row\">\n\t\t\t<div class=\"relative image:w-full image:aspect-video image:object-cover shrink-0 w-full @xl:w-1\/2\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-1280x720.jpg?image-crop-positioner-ts=1776685276\" class=\"attachment-video_xl size-video_xl\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-1280x720.jpg?image-crop-positioner-ts=1776685276 1280w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-500x282.jpg?image-crop-positioner-ts=1776685276 500w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-832x468.jpg?image-crop-positioner-ts=1776685276 832w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/>\n\n\t\t\t\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 p-4 @md:p-8 @xl:p-8 \">\n\n\t\t\t\t<h3 class=\"text-md @sm:text-xl @md:text-2xl @xl:text-2xl\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2026\/04\/20\/universiteitsraad-wil-polak-langer-open-in-avond-en-weekend\/\" class=\"absolute-link text-current underline-offset-2 decoration-2 hocus:underline @md:decoration-3 @xl:decoration-4 inline-block\">\n\t\t\t\tUniversity Council wants to extend opening hours of Polak during evenings and weekends\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2026-04-20\">20 April 2026<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tCampus\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t\t\n<div data-component=\"teaser-post-small\" class=\"block-theme-sand lg:hidden relative flex h-full bg-sand-300\n\tblock-theme-violet:bg-white block-theme-violet:text-purple block-theme-mocha:bg-sand-500 block-theme-mocha:text-brown\n\tblock-theme-sand:bg-sand-300 block-theme-sand:text-neutral-900\n\tblock-theme-violet:outline-purple-100 block-theme-violet:outline-1 block-theme-violet:outline-t-0\n\ttheme-mocha:bg-white! theme-violet:bg-white! theme-sand:bg-white!\n\tflex-row gap-4 @md:gap-8 p-4 @md:p-6\">\n\t\t\t<div class=\"image:w-full image:aspect-square image:object-cover shrink-0 size-17.5 @sm:size-21.25 @md:size-30 @lg:size-40\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"460\" height=\"460\" src=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-460x460.jpg?image-crop-positioner-ts=1776685276\" class=\"attachment-square_lg size-square_lg\" alt=\"\" srcset=\"https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-460x460.jpg?image-crop-positioner-ts=1776685276 460w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-115x115.jpg?image-crop-positioner-ts=1776685276 115w, https:\/\/www.erasmusmagazine.nl\/en\/wp-content\/uploads\/sites\/8\/lege-campus_empty_polak_avond-nacht_1_april2026_breadie_nhat-minh-bui-230x230.jpg?image-crop-positioner-ts=1776685276 230w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/>\n\t\t<\/div>\n\t\n\t<div class=\"flex flex-col gap-2 md:gap-4 \">\n\t\t\t\t<h3 class=\"text-md @lg:text-lg\">\n\t\t\t<a href=\"https:\/\/www.erasmusmagazine.nl\/en\/2026\/04\/20\/universiteitsraad-wil-polak-langer-open-in-avond-en-weekend\/\" class=\"absolute-link text-current hocus:underline inline-block\">\n\t\t\t\tUniversity Council wants to extend opening hours of Polak during evenings and weekends\n\t\t\t<\/a>\n\t\t<\/h3>\n\n\t\t<div class=\"flex flex-wrap gap-4 items-center\">\n\t\t\t<span class=\"sr-only\">Gepubliceerd op:<\/span>\n\t\t\t<time class=\"text-sm font-soehne text-neutral-900\" datetime=\"2026-04-20\">20 April 2026<\/time>\n\n\t\t\t\t\t\t\t\t\t\t\t\n\t<ul data-component=\"list-badges\" class=\"flex items-center gap-2 flex-wrap\" aria-label=\"Geplaatst in categorie\">\n\t\t\t\t\t<li>\n\t\t\t\t\t<div data-component=\"badge\" class=\"block-theme-violet:bg-purple font-soehne font-bold text-sm bg-brown-600 block-theme-violet:bg-purple text-white py-[2px] px-2\">\n\t\t\t\t\tCampus\n\t\t\t<\/div>\n\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t<\/li>\n\t\t\t<\/ul>\n\n\t\t\t\t\t\t\t\t\t<div class=\"text-right text-brown-600\">\n\t\t\t\t\t\t\n\n\n\n<a\n\tdata-variant=\"outline\"\n\tdata-size=\"default\"\n\tclass=\"group inline-flex justify-center items-center gap-2 cursor-pointer text-md font-soehne underline-offset-2 decoration-2 px-4 min-h-[3.75rem] border-2 border-current bg-transparent text-current font-bold hocus:underline w-full lg:w-auto\"\n\n\t\n\t\t\thref=\"\"\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t>\n\t\n\t\t\t\t\t<span data-button-text class=\"\">\n\t\t\tAll articles\n\n\t\t\t\t\t<\/span>\n\t\n\t\t\t\t\t\t<span class=\" flex items-center justify-center w-[1em] h-[1em] icon  \" aria-hidden=\"true\">\n\t\t\t<svg aria-hidden=\"true\" width=\"20\" height=\"17\" viewBox=\"0 0 20 17\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M18.25 7.5C18.8023 7.5 19.25 7.94772 19.25 8.5C19.25 9.05228 18.8023 9.5 18.25 9.5H1.75C1.19772 9.5 0.75 9.05228 0.75 8.5C0.75 7.94772 1.19772 7.5 1.75 7.5H18.25Z\" fill=\"currentColor\"\/>\n<path d=\"M10.793 1.04295C11.1835 0.65243 11.8165 0.65243 12.207 1.04295L18.957 7.79295C19.3476 8.18348 19.3476 8.81649 18.957 9.20702L12.207 15.957C11.8165 16.3475 11.1835 16.3475 10.793 15.957C10.4024 15.5665 10.4024 14.9335 10.793 14.543L16.8359 8.49999L10.793 2.45702C10.4024 2.06649 10.4024 1.43348 10.793 1.04295Z\" fill=\"currentColor\"\/>\n<\/svg>\n\n\t\t<\/span>\n\n\t\t\t\n\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>On Tuesday 10 December it is exactly fifty years since Jan Tinbergen received the very first Nobel Economics Prize. Searching for traces of Rotterdam\u2019s most famous economist, using a photo album, thousands of sheets of paper and the ticket that Tinbergen used to travel through Stockholm in the week of the award ceremony. \u201cThis is [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":107047,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"editor_notices":[],"footnotes":""},"categories":[21139],"em_content_type":[],"class_list":["post-107045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>These are the tangible memories of Jan Tinbergen, fifty years after his Nobel Prize<\/title>\n<meta name=\"description\" content=\"On Tuesday 10 December it was exactly fifty years since Jan Tinbergen received the very first Nobel Economics Prize. Searching for traces of Rotterdam\u2019s most famous economist, using a photo album, thousands of sheets of paper and the ticket that Tinbergen used to travel through Stockholm in the week of the award ceremony.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.erasmusmagazine.nl\/en\/2019\/12\/10\/these-are-the-tangible-memories-of-jan-tinbergen-fifty-years-after-his-nobel-prize\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"These are the tangible memories of Jan Tinbergen, fifty years after his Nobel Prize\" \/>\n<meta property=\"og:description\" content=\"On Tuesday 10 December it was exactly fifty years since Jan Tinbergen received the very first Nobel Economics Prize. 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