產業經濟學研討會          （2017年第10期）      
   
      【時間】2017年12月6日（周三）   12：00－13：30          【地點】明主729會議室          【主講】張錦  對外經濟貿易大學經濟學系副教授          【主題】Efficient Liability in Markets for Credence Goods          【點評】楊繼東 中國人民大學經濟學院副教授          【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.          【主講人介紹】張錦：對外經濟貿易大學經濟系副教授，在Review of International Economics，International Journal of Industrial Organization，International Journal of Game Theory等國際期刊上發表論文數篇。多次在與博弈論和貿易相關的國際學術會議上宣讀論文。主要研究領域為博弈論、國際貿易和產業組織。          歡迎相關領域老師和同學關注并參加！如有意作為點評老師或宣講學生參加前沿文獻選讀活動，可以聯系經濟學院李三希老師（sanxi@ruc.edu.cn）或者學生助理武玙璠（wuyufan0103@126.com）。