An Index of Competitiveness and Cooperativeness for Normal-Form Games
American Economic Journal: Microeconomics
vol. 14,
no. 2, May 2022
(pp. 215-39)
Abstract
We develop an index of competitiveness and cooperativeness that is based on the primitives of a normal-form game, i.e., players, strategies and payoffs. The index relies on the unique decomposition of a given game into a zero-sum game and a common interest game. The index decreases in the distance to its zero-sum part and increases in the distance to its common interest part. The comparative statics of our index coincide with economic intuition. The index also supports experimental findings in well-known classes of games in the sense that more cooperative and less competitive behavior correlates with lower values of the index.Citation
Demuynck, Thomas, Christian Seel, and Giang Tran. 2022. "An Index of Competitiveness and Cooperativeness for Normal-Form Games." American Economic Journal: Microeconomics, 14 (2): 215-39. DOI: 10.1257/mic.20190386Additional Materials
JEL Classification
- C71 Cooperative Games
- C72 Noncooperative Games
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