An Index of Competitiveness and Cooperativeness for Normal-Form Games

Thomas Demuynck, Christian Seel and Giang Tran

American Economic Journal: Microeconomics, 2022, vol. 14, issue 2, 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.

JEL-codes: C71 C72 (search for similar items in EconPapers)
Date: 2022
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Related works:
Working Paper: An index of competitiveness and cooperativeness for normal-form games (2022)
Working Paper: An index of competitiveness and cooperativeness for normal-form games (2020)
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DOI: 10.1257/mic.20190386

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