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Private communication in competing mechanism games

机译:竞争机制游戏中的私人交流

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We study games in which principals simultaneously post mechanisms in the presence of several agents. We evaluate the role of principals' communication in these settings. As in Myerson (1982), each principal may generate incomplete information among agents by sending them private signals. We show that this channel of communication, which has not been considered in standard approaches to competing mechanisms, has relevant strategic effects. Specifically, we construct an example of a complete information game in which (multiple) equilibria are sustained as in Yamashita (2010) and none of them survives in games in which all principals can send private signals to agents. The corresponding sets of equilibrium allocations are therefore disjoint. The role of private communication we document may hence call for extending the construction of Epstein and Peters (1999) to incorporate this additional element. (C) 2019 Elsevier Inc. All rights reserved.
机译:我们研究的游戏中,在多个特工在场的情况下,校长同时发布机制。我们评估在这些情况下校长交流的作用。如Myerson(1982)所述,每个委托人可能通过向代理发送私有信号来在代理之间生成不完整的信息。我们表明,这种沟通渠道(在竞争机制的标准方法中未曾考虑过)具有相关的战略效果。具体而言,我们构建了一个完整的信息游戏的例子,其中(多个)均衡与Yamashita(2010)一样得以维持,并且在所有委托人都可以向代理发送私人信号的游戏中,任何一个都无法幸免。因此,相应的均衡分配集是不相交的。因此,我们记录的私人交流的作用可能要求扩展Epstein和Peters(1999)的构造,以纳入这一附加要素。 (C)2019 Elsevier Inc.保留所有权利。

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