{"id":1155,"date":"2018-05-08T13:42:41","date_gmt":"2018-05-08T12:42:41","guid":{"rendered":"http:\/\/mathfinance.sns.it\/?p=1155"},"modified":"2018-05-08T13:47:21","modified_gmt":"2018-05-08T12:47:21","slug":"hye-jin-cho-on-overconfidence-bubbles-and-the-stochastic-discount-factor","status":"publish","type":"post","link":"http:\/\/mathfinance.sns.it\/index.php\/hye-jin-cho-on-overconfidence-bubbles-and-the-stochastic-discount-factor\/","title":{"rendered":"Hye-Jin Cho, On Overconfidence, Bubbles and the Stochastic Discount Factor"},"content":{"rendered":"<p style=\"text-align: center;\">Wednesday, 09\/05\/2018<br \/>\n14:00<br \/>\nScuola Normale Superiore<br \/>\nAula\u00a0Bianchi Scienze<\/p>\n<p style=\"text-align: center;\"><b>Hye-Jin Cho <\/b><br \/>\nUniversity of Paris 1 &#8211; Panthe\u0301on Sorbonne<\/p>\n<p style=\"text-align: center;\"><strong>Abstract<br \/>\n<\/strong><\/p>\n<p style=\"text-align: center;\">\nThis study is intended to provide a continuous-time equilibrium model<br \/>\nin which overconfidence generates disagreements among two groups<br \/>\nregarding asset fundamentals. Every agent in trading wants to sell<br \/>\nmore than the average stock price in the market. However, the<br \/>\noverconfident agent drives a speculative bubble with a false belief<br \/>\nthat the stock price will tend to move to the average price over time.<br \/>\nI represent the difference between a false belief and a stochastic<br \/>\nstationary process which does not change when shifted in time. The gap<br \/>\nof beliefs shows how to accommodate dynamic fluctuations as parameters<br \/>\nchange such as the degree of overconfidence or the information of<br \/>\nsignals. By showing how changes in an expectation operator affect the<br \/>\nstochastic variance of economic fundamentals, speculative bubbles are<br \/>\nrevealed at the burst independently from the market.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wednesday, 09\/05\/2018 14:00 Scuola Normale Superiore Aula\u00a0Bianchi Scienze Hye-Jin Cho University of Paris 1 &#8211; Panthe\u0301on Sorbonne Abstract This study is intended to provide a continuous-time equilibrium model in which overconfidence generates disagreements among two groups regarding asset fundamentals. Every agent in trading wants to sell more than the average stock price in the market. [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7,13],"tags":[],"_links":{"self":[{"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/posts\/1155"}],"collection":[{"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/comments?post=1155"}],"version-history":[{"count":2,"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/posts\/1155\/revisions"}],"predecessor-version":[{"id":1157,"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/posts\/1155\/revisions\/1157"}],"wp:attachment":[{"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/media?parent=1155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/categories?post=1155"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mathfinance.sns.it\/index.php\/wp-json\/wp\/v2\/tags?post=1155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}