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A laboratory experiment on the minority game

  • Bottazzi, Giulio
  • Devetag, Giovanna

This work presents experimental results on a coordination game in which agents must repeatedly choose between two sides, and a positive fixed payoff is assigned only to agents who pick the minoritarian side. We conduct laboratory experiments in which stationary groups of five players play the game for 100 periods, and manipulate two treatment variables: the amount of ‘memory’ M that players have regarding the game history (i.e., the length of the string of past outcomes that players can see on the screen while choosing) and the amount of information about other players’ past choices. Our results show that, at the aggregate level, a quite remarkable degree of coordination is achieved. Moreover, providing players with full information about other players’ choice distribution does not appear to improve efficiency significantly.

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Article provided by Elsevier in its journal Physica A: Statistical Mechanics and its Applications.

Volume (Year): 324 (2003)
Issue (Month): 1 ()
Pages: 124-132

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Handle: RePEc:eee:phsmap:v:324:y:2003:i:1:p:124-132
DOI: 10.1016/S0378-4371(02)01893-9
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  1. W. Brian Arthur, 1994. "Inductive Reasoning, Bounded Rationality and the Bar Problem," Working Papers 94-03-014, Santa Fe Institute.
  2. Challet, D. & Zhang, Y.-C., 1997. "Emergence of cooperation and organization in an evolutionary game," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 246(3), pages 407-418.
  3. Arthur, W Brian, 1994. "Inductive Reasoning and Bounded Rationality," American Economic Review, American Economic Association, vol. 84(2), pages 406-11, May.
  4. Jack Ochs, 1990. "The Coordination Problem in Decentralized Markets: An Experiment," The Quarterly Journal of Economics, Oxford University Press, vol. 105(2), pages 545-559.
  5. Challet, Damien & Zhang, Yi-Cheng, 1998. "On the minority game: Analytical and numerical studies," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 256(3), pages 514-532.
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