A model of intra-group tug-of-war

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1042-6771-2-PB.pdf

Date

2019-12

Author

Doğan, Serhat
Keskin, Kerim

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In a standard tug-of-war model, two players engage in a component battle each period and a player wins the contest if her number of battle victories exceeds the other contestant’s by a certain number. In this paper, we introduce a multi-player model of intra-group tug-of-war played by two groups of two players, where a player wins the contest if she wins a certain number of battles more than the other player from her group before either player from the other group achieves the same against one another. We characterize the unique subgame perfect Nash equilibrium of the model and further analyze an asymmetric case with different number of players in the competing groups. Our results indicate an extreme discouragement effect for the laggards and a strong momentum effect for the winner of the first battle.

Subject Keywords

Contest, Multi-battle contest, Tug-of-war, Intra-group tug-of-war, Tullock contest, Subgame perfect Nash equilibrium

URI

http://www2.feas.metu.edu.tr/metusd/ojs/index.php/metusd/article/view/1042
https://hdl.handle.net/11511/58115

Journal

ODTÜ Gelişme Dergisi

Collections

Department of Economics, Article

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Citation Formats

S. Doğan and K. Keskin, “A model of intra-group tug-of-war,” ODTÜ Gelişme Dergisi, vol. 46, no. 2, pp. 175–202, 2019, Accessed: 00, 2020. [Online]. Available: http://www2.feas.metu.edu.tr/metusd/ojs/index.php/metusd/article/view/1042.