G2TT
来源类型Discussion paper
规范类型论文
来源IDDP16048
DP16048 A Network Solution to Robust Implementation: the Case of Identical but Unknown Distributions
Mariann Ollár; Antonio Penta
发表日期2021-04-16
出版年2021
语种英语
摘要We consider mechanism design environments in which agents commonly know that others’ types are identically distributed, but without assuming that the actual distribution is common knowledge, nor that it is known to the designer (common knowledge of identicality). We study partial and full implementation, as well as robustness. First, we characterize the transfers which are incentive compatible under common knowledge of identicality, and provide necessary and sufficient conditions for partial implementation. Second, we characterize the conditions under which full implementation is possible via direct mechanisms, as well as the transfer schemes which achieve full implementation whenever it is possible. We do this by pursuing a network approach, which is based on the observation that the full implementation problem in our setting can be conveniently transformed into one of designing a network of strategic externalities, subject to suitable constraints which are dictated by the incentive compatibility requirements entailed by common knowledge of identicality. This approach enables us to uncover a fairly surprising result: the possibility of full implementation is characterized by the strength of the preference interdependence of the two agents with the least amount of preference interdependence, regardless of the total number of agents and their preferences. Finally, we study robustness properties of the implementing transfers with respect to misspecification of agents’ preferences and lower orders beliefs in rationality.
主题Organizational Economics
关键词Moment conditions Robust full implementation Rationalizability Interdependent values Identical but unknown distributions Uniqueness Strategic externalities Spectral radius Loading transfers Equal-externality transfers
URLhttps://cepr.org/publications/dp16048
来源智库Centre for Economic Policy Research (United Kingdom)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/545028
推荐引用方式
GB/T 7714
Mariann Ollár,Antonio Penta. DP16048 A Network Solution to Robust Implementation: the Case of Identical but Unknown Distributions. 2021.
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