Journal Of The Econometric Society

An International Society for the Advancement of Economic
Theory in its Relation to Statistics and Mathematics

Edited by: Guido W. Imbens • Print ISSN: 0012-9682 • Online ISSN: 1468-0262

Econometrica: Sep, 1990, Volume 58, Issue 5

Testing the Minimax Hypothesis: A Re-Examination of O'Neill's Game Experiment<1065:TTMHAR>2.0.CO;2-R
p. 1065-1081

James N. Brown, Robert W. Rosenthal

In this paper, we re-examine the data from O'Neill's experiment involving a repeated, two-person, constant-sum game. We find that there is less evidence in support of the minimax hypothesis than indicated by O'Neill. There is strong evidence of serial correlation in players' choices, with several players displaying statistically significant dependence on the past moves of their opponents. We interpret this finding as evidence that the players themselves rejected minimax play as the appropriate model for their opponents' behavior. We find no evidence that players' behavior approached minimax behavior as players became more experienced.

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