清华大学基础模型研究中心将携手清华大学经管学院经济系于4月8日下午14:00联合举办系列讲座第21期，加州大学伯克利分校教授：Shachar Kariv将以"Ever Since Allais and Ellsberg（对阿莱和埃尔斯伯格的再讨论）" 为题作报告。
本次讲座对公众开放，欢迎校内外人士参加并共同探讨行为经济学、机器学习等领域的前沿话题，校外人士请自行解决入校报备事宜。
报告时间：2025年4月8日（星期二） 14:00-15:30
报告地点：清华大学建华楼 A 108 会议室
主 讲 人： Shachar Kariv（加州大学伯克利分校教授）
主 持 人： Xiao Liu（清华大学经管学院经济系副教授）
https://www.sem.tsinghua.edu.cn/info/1189/32332.htm
报告信息
报告题目
Ever Since Allais and Ellsberg
对阿莱和埃尔斯伯格的再讨论
报告摘要
The Allais critique of expected utility theory (EUT) has led to the development of theories of choice under risk that relax the independence axiom, but which adhere to the conventional axioms of ordering and monotonicity. Unlike many existing laboratory experiments designed to test independence, our experiment systematically tests the entire set of axioms, providing much richer evidence against which EUT can be judged. Our within-subjects analysis is nonparametric, using only information about revealed preference relations in the individual-level data. For most subjects, we find that departures from independence are statistically significant but minor relative to departures from ordering and/or monotonicity. We also extend the results in settings with risk (known probabilities) to settings with ambiguity (unknown probabilities) and also to time instead of risk tradeoffs.
Bio
Shachar Kariv
UC Berkeley, Professor
Research Expertise and Interest*:
Economics;Experimental economics; Behavioral economics; Networks; Microeconomic theory; Social learning
Shachar Kariv is the Benjamin N. Ward Professor of Economics. He was educated at Tel Aviv University and New York University, where he received his Ph.D. in economics in 2003, the same year he joined the Department of Economics at the University of California, Berkeley. He has been the Department Chair (2014-17) the Faculty Director of UC Berkeley Experimental Social Science Laboratory (2009-2014), aka Xlab, a laboratory for conducting experiment-based investigations of issues of interest to social sciences. He is also a co-founder of Xmobile, a new platform for conducting social science experiments that builds on the ubiquity and functionalities of Smartphones.
Shachar Kariv was a visiting member of the School of Social Science at the Institute for Advanced Studies at Princeton (2005-6), a visiting professor at the European University Institute (2008), a visiting fellow at Nuffield College of the University of Oxford (2009), a visiting professor at the Interdisciplinary Center (IDC) Herzliya (2011-12), and a visiting professor at the Department of Economics at Stanford University (2014). He is also a visiting professor (Professor II) at the Department of Economics at the NHH Norwegian School of Economics where he is affiliated with the Choice Lab.
Shachar Kariv is the recipient of the UC Berkeley Haas School of Business Cheit Award for Excellence in Teaching (2012), the UC Berkeley Division of Social Sciences Distinguished Teaching Award (2008), and the Graduate Economics Association Outstanding Advising Award (2006). He was also awarded NYU College of Arts and Science Outstanding Teaching Award (Golden Dozen) in recognition of excellence in teaching and contributions to undergraduate education (2002) and NYU Dean's Outstanding Teaching Award in the Social Sciences (2001). For his Ph.D. dissertation at NYU, he received the Outstanding Dissertation Award in the Social Sciences (2003). He was also awarded a Sloan Research Fellowship for Economics (2009-10).
More info:
Homepage:
https://econ.berkeley.edu/profile/shachar-kariv
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