Robust implementation in sequential information design under supermodular payoffs and objective

Robust implementation in sequential information design under supermodular payoffs and objective
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超模块化收益和目标下顺序信息设计的稳健实现

DOI:
10.1007/s10058-022-00304-8
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发表时间:
2022
影响因子:
0.7
通讯作者:
Hiroto Sato
Hiroto Sato
中科院分区:
经济学4区
文献类型:
--
作者:
小松聡浩;山内一貴;横山朝哉;Hiroto Sato

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本文研究的是序贯信息设计(见于Economrica 88:2575-2608,2020)中的Doval和Ely,设计者可以在构造信息结构的同时构建扩展形式。在这个框架中,我研究了对抗对手均衡选择的健壮实现,当玩家和设计者具有具有主导状态和外部期权的超模支付函数时。主要结果表明,序贯信息设计的最优部分可实现结果与静态信息设计的最优部分可实现结果基本一致。针对全球政权更迭博弈等经济应用,本文提出了一种通过提供扩展形式和信息结构来稳健地实现静态信息设计的期望结果的方法。
This paper studiessequential information design(Doval and Ely in Econometrica 88:2575–2608, 2020) in which a designer can construct the extensive form along with the information structure. In this framework, I investigate robust implementations against adversarial equilibrium selection, when players and the designer have a supermodular payoff function with dominant states and an outside option. The main results show that the optimal partially implementable outcome is fully implementable in sequential information design, which essentially coincides with the optimal partially implementable outcome in static information design. For economic applications such as global game of regime change, this paper proposes a way to robustly achieve the desired outcome in static information design by providing the extensive form and the information structure.
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