Friend-Based Ranking
成果类型：
Article
署名作者：
Bloch, Francis; Olckers, Matthew
署名单位：
Paris School of Economics; Monash University
刊物名称：
AMERICAN ECONOMIC JOURNAL-MICROECONOMICS
ISSN/ISSBN：
1945-7669
DOI：
10.1257/mic.20190333
发表日期：
2022
页码：
176-214
关键词：
摘要：
We analyze the design of a mechanism to extract a ranking of individuals according to a unidimensional characteristic, such as ability or need. Individuals, connected on a social network, only have local information about the ranking. We show that a planner can construct an ex post incentive compatible and efficient mechanism if and only if every pair of friends has a friend in common. We characterize the windmill network as the sparsest social network for which the planner can always construct a complete ranking.
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