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劳动经济学双周学术论坛第137期讲座通知
时间:2019-06-21 浏览量:948

讲座题目:What can we learn from a single lecture: A story of π

 

摘要This paper presents a randomized experiment, in which a group of randomly-selected middle school students were given a single 45-minute lecture, titled “A story of π”. A surprising finding is that such a lecture had significant impacts on test scores three to six months later, which can be considered as long-term effects comparing with the length of the lecture. In order to explain this counter-intuitive phenomenon, we provide a latent variable framework and argue that interventions happened in the intermediate periods matter. The non-randomized intermediate interventions may be correlated with individuals’ internal factors, such as ability, belief, and health status, and therefore, correlated with the initial randomized treatment. That means the usual regression estimates a composite causal effect of all the interventions, instead of a direct causal effect of the initial randomized treatment, which may explain the surprising finding in the experiment. Our analysis leads to an important policy implication, i.e., the welfare cost of the final outcome should include not only the cost of the initial randomized intervention, but also costs of all the intermediate interventions.

 

主讲人:胡颖尧 教授(约翰•霍普金斯大学)

讲座语言:中英文

讲座时间:2019年06月26日(周三)下午4:30—6:00

讲座地点:求是楼347会议室

主持人:赵忠 教授

参与人员:热烈欢迎广大师生参加。

 

主讲人简介:

胡颖尧,现任美国约翰•霍普金斯大学经济系教授,德国劳动研究所(IZA)研究员,暨南大学讲座教授。主要研究领域包括:微观计量经济学及其在劳动经济学和产业组织理论中的应用、测量误差模型、潜变量模型及非参数识别技术。研究成果发表于American Economic Review、Econometrica、Journal of Econometrics、Journal of the American Statistical Association、Games and Economic Behavior、Journal of Population Economics等著名期刊。曾获得Journal of Population Economics 2013年Kuznets Prize最佳论文奖,Journal of Nonparametric Statistics 2010年最佳论文奖。胡颖尧还担任Journal of Econometrics、Econometric Reviews、Econometrics Journal、Frontiers of Economics in China等期刊的副主编。

 
分享到:
  中国人民大学劳动人事学院 100872
地址:北京市中关村大街59号中国人民大学求是楼
劳动人事学院公众号 人大人力资源公众号
  劳动人事学院公众号 人大人力资源公众号