{"id":1015,"date":"2025-11-10T15:36:30","date_gmt":"2025-11-10T15:36:30","guid":{"rendered":"https:\/\/www.ccor.hu\/?p=1015"},"modified":"2025-11-10T15:36:30","modified_gmt":"2025-11-10T15:36:30","slug":"corvinus-game-theory-seminar-50","status":"publish","type":"post","link":"http:\/\/www.ccor.hu\/?p=1015","title":{"rendered":"Corvinus Game Theory Seminar"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>November 20 (10:00-11:00) room E.118.2 (main building, 1st floor)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mikl\u00f3s Pint\u00e9r <\/strong>(Corvinus University)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong><strong><strong>Consistent Beliefs without Common Prior<\/strong><\/strong><\/strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a strand of the literature, it is assumed that the common prior has full support; that is, every type of every player is assigned positive probability. Morris (1991, 1994) established an epistemological\u2013behavioral duality characterisation of the common prior with full support, showing that a finite type space admits such a prior if and only if it contains no acceptable bet. This result forms the basis of the present paper. The paper makes three contributions: (1) The characterisation of Morris (1991, 1994) is extended to infinite type spaces. (2) The extension is robust: it does not depend on whether the infinite model applies countably additive or purely additive probabilities as beliefs. (3)\u00a0The analysis implies that the notion of a real common prior\u2014understood as a single probability distribution or a set of probability distributions\u2014is not necessarily meaningful.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The talk is based on joint work with Ziv Hellman (Bar-Ilan University).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>November 20 (10:00-11:00) room E.118.2 (main building, 1st floor) Mikl\u00f3s Pint\u00e9r (Corvinus University) Consistent Beliefs without Common Prior In a strand of the literature, it is assumed that the common prior has full support; that is, every type of every <span class=\"readmore\"><a href=\"http:\/\/www.ccor.hu\/?p=1015\">Continue Reading &#8230;<\/a><\/span><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1015","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.ccor.hu\/index.php?rest_route=\/wp\/v2\/posts\/1015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ccor.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ccor.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ccor.hu\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ccor.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1015"}],"version-history":[{"count":2,"href":"http:\/\/www.ccor.hu\/index.php?rest_route=\/wp\/v2\/posts\/1015\/revisions"}],"predecessor-version":[{"id":1017,"href":"http:\/\/www.ccor.hu\/index.php?rest_route=\/wp\/v2\/posts\/1015\/revisions\/1017"}],"wp:attachment":[{"href":"http:\/\/www.ccor.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ccor.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1015"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ccor.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}