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微观理论workshop:Choice and Attention Across Time
发布日期：2023-03-09 12:00 来源：
时间：3月9日（周四）10:30 a.m.-12:00
地点：经院302
主讲人：Xi Zhi “RC” Lim（Assistant Professor of Economics at Shanghai Jiao Tong University）
主持老师：吴泽南，石凡奇（经院）；胡岠（国发院）
参与老师：胡涛，吴泽南，石凡奇（经院）；汪浩，胡岠（国发院）；翁翕（光华）
题目: Choice and Attention Across Time
摘要：I study how past choices affect future choices in the framework of attention. Limited consideration causes a failure of “rationality”, where better options are not chosen because the DM has failed to consider them. I innovate and consider sequences of choices, where past choices are necessarily considered in future choice problems. This provides a link between two kinds of rationality violations: those that occur in a cross-section of one-shot decisions and those that occur within a sequence of realized choices. In my setting, the former helps identify attention whereas the latter pins down true preferences. Both types of violations vanish over time and furnish a novel notion of stability. A series of results shows that attention across time can act as a manifestation of attention at a given time, and a full characterization of compatible models is provided.
主讲人介绍：Xi Zhi “RC” Lim is an economist who specializes in microeconomic theory. He is currently Assistant Professor of Economics at Shanghai Jiao Tong University. He received a PhD in Economics from Columbia University in 2020. His research focuses on using an axiomatic approach to study how people make decisions. He is currently working on risk and time preferences, limited attention, and societal choice.
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微观理论workshop:Choice and Attention Across Time
发布日期：2023-03-09 12:00 来源：
时间：3月9日（周四）10:30 a.m.-12:00
地点：经院302
主讲人：Xi Zhi “RC” Lim（Assistant Professor of Economics at Shanghai Jiao Tong University）
主持老师：吴泽南，石凡奇（经院）；胡岠（国发院）
参与老师：胡涛，吴泽南，石凡奇（经院）；汪浩，胡岠（国发院）；翁翕（光华）
题目: Choice and Attention Across Time
摘要：I study how past choices affect future choices in the framework of attention. Limited consideration causes a failure of “rationality”, where better options are not chosen because the DM has failed to consider them. I innovate and consider sequences of choices, where past choices are necessarily considered in future choice problems. This provides a link between two kinds of rationality violations: those that occur in a cross-section of one-shot decisions and those that occur within a sequence of realized choices. In my setting, the former helps identify attention whereas the latter pins down true preferences. Both types of violations vanish over time and furnish a novel notion of stability. A series of results shows that attention across time can act as a manifestation of attention at a given time, and a full characterization of compatible models is provided.
主讲人介绍：Xi Zhi “RC” Lim is an economist who specializes in microeconomic theory. He is currently Assistant Professor of Economics at Shanghai Jiao Tong University. He received a PhD in Economics from Columbia University in 2020. His research focuses on using an axiomatic approach to study how people make decisions. He is currently working on risk and time preferences, limited attention, and societal choice.
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