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Effort Provision in Peer Groups
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AI
DOI：10.1111/jpet.70095.png)
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Abstract
En 中文
We study a model in which individuals, who are heterogeneous along a single dimension capturing productivity, choose which of two available groups to join and how much costly effort to exert within their chosen group. On the one hand, individuals like to be in groups where others' average performance is high (global quality). On the other hand, individuals are concerned with their ranking with respect to their peers' average performance (local standing). Nash equilibrium efforts are such that the higher the individual's productivity the higher her private outcome. In contrast, it is not necessarily the case that highly productive individuals exert more effort. When social welfare is measured as the sum of individual utilities, Nash equilibrium efforts are never efficient and whether they are higher or lower than efficient efforts depends on the strength of global quality versus local standing concerns. Moreover, stable partitions of society into groups may either resemble grouping by productivity or productivity mixing. In contrast, efficient partitions must always exhibit grouping by productivity.
Keywords:
effort choices
mixing
peer groups
segregation
welfare
Journal
J
IF:
0.9
Papers:
55
Citations:
0