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American Economic Review: Vol. 100 No. 1 (March 2010)

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Intergroup Conflict and Intra-group Punishment in an Experimental Contest Game

Article Citation

Abbink, Klaus, Jordi Brandts, Benedikt Herrmann, and Henrik Orzen. 2010. "Intergroup Conflict and Intra-group Punishment in an Experimental Contest Game." American Economic Review, 100(1): 420-47.

DOI: 10.1257/aer.100.1.420

Abstract

We study how conflict in contest games is influenced by rival parties being groups and by group members being able to punish each other. Our motivation stems from the analysis of sociopolitical conflict. The theoretical prediction is that conflict expenditures are independent of group size and of whether punishment is available. We find, first, that conflict expenditures of groups are substantially larger than those of individuals, and both are above equilibrium. Second, allowing group members to punish each other leads to even larger conflict expenditures. These results contrast with those from public goods experiments where punishment enhances efficiency. (JEL C72, D74, H41)

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Authors

Abbink, Klaus (CBESS, U East Anglia)
Brandts, Jordi (U Autonoma de Barcelona and CSIC)
Herrmann, Benedikt (U Nottingham)
Orzen, Henrik (U Mannheim)

JEL Classifications

C72: Noncooperative Games
D74: Conflict; Conflict Resolution; Alliances
H41: Public Goods


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