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On the foundations of ex post incentive compatible mechanisms

Takuro Yamashita and Shuguang Zhu

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Abstract: In private-value auction environments, Chung and Ely (2007) establish maxmin and Bayesian foundations for dominant-strategy mechanisms. We first show that similar foundation results for ex post mechanisms hold true even with interdependent values if the interdependence is only cardinal. This includes, for example, the one-dimensional environments of Dasgupta and Maskin (2000) and Bergemann and Morris (2009b). Conversely, if the environment exhibits ordinal interdependence, which is typically the case with multi-dimensional environments (e.g., a player's private information)

Date: 2022-11
New Economics Papers: this item is included in nep-des, nep-gth and nep-mic
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Published in American Economic Journal: Microeconomics, 2022, 14 (4), pp.494-514. ⟨10.1257/mic.20200174⟩

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Journal Article: On the Foundations of Ex Post Incentive-Compatible Mechanisms (2022) Downloads
Working Paper: On the Foundations of Ex Post Incentive Compatible Mechanisms (2021) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03863573

DOI: 10.1257/mic.20200174

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