产业经济学研讨会          （2017年第10期）      
   
      【时间】2017年12月6日（周三）   12：00－13：30          【地点】明主729会议室          【主讲】张锦  对外经济贸易大学经济学系副教授          【主题】Efficient Liability in Markets for Credence Goods          【点评】杨继东 中国人民大学经济学院副教授          【摘要】We model an expert`s service as credence goods for which the expert has more information about the consumer`s demand and the treatment outcome can be verified with some probability, and study the role of liability in disciplining the expert`s behavior in such a market. The expert, who can provide two potential treatments for a consumer`s problem, may misbehave in two ways: prescribing the "wrong" treatment given his private information, or failing to exert proper effort to diagnose the problem. We show that under a range of liability rules, the expert will choose the appropriate treatment based on his information if the price margins for the two treatments are close enough. Moreover, there exists a liability rule which can motivate the expert to choose efficiently both the treatment and the diagnosis effort. This efficiency result continues to hold when the expert`s diagnosis effort generates only a noisy signal about the nature of the consumer`s problem, provided the signal is sufficiently informative.          【主讲人介绍】张锦：对外经济贸易大学经济系副教授，在Review of International Economics，International Journal of Industrial Organization，International Journal of Game Theory等国际期刊上发表论文数篇。多次在与博弈论和贸易相关的国际学术会议上宣读论文。主要研究领域为博弈论、国际贸易和产业组织。          欢迎相关领域老师和同学关注并参加！如有意作为点评老师或宣讲学生参加前沿文献选读活动，可以联系经济学院李三希老师（sanxi@ruc.edu.cn）或者学生助理武玙璠（wuyufan0103@126.com）。