Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/223631
Authors: 
Nieva, Ricardo
Year of Publication: 
2020
Series/Report no.: 
Working Paper No. 004.2020
Abstract: 
We study the role of an enforcer in the effectiveness of selective incentives in solving the collective action problem when groups take part in a contest. Cost functions exhibit constant elasticity of marginal effort costs. If prize valuations are homogeneous, our source of heterogeneity induces full cost-sharing and the first-best individual contributions; further, the group probability of winning goes up. With heterogeneity in prize valuations, an increase in the effectiveness of the enforcer in conflict increases the group probability of winning only if the prize valuation of the enforcer is lower than de Lehmer mean of those of the other players; however, the induced partial cost sharing is not group efficient. If effectiveness "tends to infinity", the collective action problem is solved with partial cost-sharing if that prize valuation is not too low. Tragically, if productivity is low (if the prize is private in our set up) this occurs with corrupt coalitions which have been shown to form together with conflict and inequality endogenously; otherwise, this occurs with non corrupt coalitions. Further, even if such valuation is too low the group winning probability goes up. In this latter case, over cost-sharing yields group efficiency.
Subjects: 
Heterogeneity
Corruption
Collective Contests
Inequality
Selective Incentives
JEL: 
D72
D73
D74
Document Type: 
Working Paper

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