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金禾中心2017春第三期经济学工作坊
2017-03-13     (点击: )

  :3月14日(周二)下午4:15-5:30

  :金禾中心874教室(大教室)

报告人:黄振兴

   介:黄振兴老师是上海财经大学经济学院2015年12月引进的常任轨教师,现任经济学院常任轨副教授。主要研究领域为:决策理论、行为经济学、实验经济学、金融经济学。博士毕业于荷兰丁伯根经济研究所和鹿特丹伊拉斯姆斯大学(Tinbergen Institute and Erasmus University Rotterdam)。博士毕业仅一年多就已在国际最顶尖经济学期刊American Economic Review上发表文章,另有一篇文章入选ESI高被引论文。

 

题目:Measuring ambiguity for all (natural) events

 

摘要:Measurements of ambiguity attitudes have so far focused on artificial events, where subjective beliefs can be derived from symmetry assumptions. For natural events such assumptions usually are not available, creating a difficulty in calibrating subjective beliefs and, hence, in measuring ambiguity attitudes. This paper introduces a simple control for subjective beliefs even when they are unknown. We thus allow for a tractable and completely revealed-preference based measurement of ambiguity attitudes for all events, including natural ones. We introduce indexes of ambiguity aversion and ambiguity perception (or understanding) that generalize and unify many existing indexes. Our indexes are valid under many ambiguity theories. They do not require expected utility for risk, which is desirable for empirical purposes. Furthermore, they are easy to elicit in practice. An experiment on ambiguity under time pressure shows the tractability of our method. It gives plausible results, supporting the validity of our indexes.

 

 请各位老师同学按时参加,学生要签到记次。

(备注:要求博二、三年级,硕士第二、三学期参加,不少于2/3 次)。

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