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时间：4月24日14:00-16:00

地点：明主729

报告人：丁思华

讲座题目：Link investment substitutability: A factor influencing network formation

研讨会摘要

Studies on network formation employ rather different assumptions on link formation and make different predictions. We propose a constant elasticity of substitution (CES) link formation specification that generalizes commonly used link formation assumptions and parametrizes a factor that could affect network formation, namely, link investment substitutability (LIS). We apply this approach to the model by Galeotti and Goyal (2010) that studies public good provision on an endogenously formed network and find that results on equilibria differ significantly depending on whether link investments are substitutes or complements. Additionally, when link investments are complements, we find that LIS governs the unequalness of equilibrium structures. We also explore how LIS influences the relationship between the public good provision of a player and her utility.

主讲人介绍

丁思华，剑桥大学博士毕业，现任南开大学做爱片 经济系助理教授，研究领域为理论微观做爱片 和网络做爱片 ，研究成果发表在Games and Economic Behavior。