Dynamic Stock Markets with Multiple Assets: An Experimental Analysis

John O'Brien and Sanjay Srivastava

Journal of Finance, 1991, vol. 46, issue 5, 1811-38

Abstract: The authors study the performance of the rational expectations hypothesis in multiperiod experimental markets with multiple assets. They find that the markets are generally inefficient from the point of view of full information aggregation. However, arbitrage relationships hold and it is not possible to detect the informational inefficiency by using some standard tests of market efficiency. These findings suggest that the lack of arbitrage opportunities and the failure of common tests to reject inefficiency are not sufficient to conclude that a market is informationally efficient. Copyright 1991 by American Finance Association.

Date: 1991
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