题 目：Global Manipulation by Local Obfuscation: Information Design in Coordination Games（通过局部混淆来实现全局操纵：协调博弈中的信息设计）
时 间：2019年10月24日（周四）10:30 -- 12:00
地 点：永利集团3044am官方入口301会议室
主讲人：赵墨非（首都经贸大学）
主持人：胡涛、吴泽南、石凡奇、汪浩、胡岠
报告摘要：We study information design in a regime change context. A continuum of agents choose independently whether to attack the current regime and will succeed if and only if the mass of attackers outweighs the regime's strength. The strength is uncertain with continuous support, and the information designer designs and commits to a strength-dependent signal. We characterize the optimal information design under an unrestricted configuration where the signal can be arbitrary including public, private and discriminatory information disclosure. At optimum, the information designer randomizes between partial truth-telling and local exaggeration across agents: some agents receive a signal matching the true strength of the status quo, and others receive an elevated signal professing slightly higher strength. Optimal local obfuscation always dominates optimal public signals, and in certain cases where public signals become futile, local obfuscation still guarantees the status quo's survival.
主讲人简介：
赵墨非，首都经贸大学国际经管学院副教授，毕业于UCLA经济系。主要研究方向为微观理论和IO，研究问题包括information design, dynamics of incentives, repeated games等。
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