Strategies and Evolution in the Minority Game: A Multi- Round Strategy Experiment

Joep Sonnemans (), Jan Tuinstra and J. Linde
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J. Linde: Universiteit van Amsterdam

No 13-02, CeNDEF Working Papers from Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance

Abstract: Minority games are a stylized description of strategic situations with both coordination and competition. These games are widely studied using either simulations or laboratory experiments. Simulations can show the dynamics of aggregate behavior, but the results of such simulations depend on the type of strategies used. So far experiments provided little guidance on the type of strategies people use because the set of possible strategies is very large. We therefore use a multi-round strategy method experiment to directly elicit people’s strategies. Between rounds participants can adjust their strategy and test the performance of (possible)new strategies against strategies from the previous round. Strategies gathered in the experiment are subjected to an evolutionary competition. The strategies people use are very heterogeneous although aggregate outcomes resemble the symmetric Nash equilibrium. The strategies that survive evolutionary competition achieve much higher levels of coordination.

Date: 2013
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Related works:
Journal Article: Strategies and evolution in the minority game: A multi-round strategy experiment (2014)
Working Paper: Strategies and Evolution in the Minority Game: A Multi- Round Strategy Experiment (2013)
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