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Finance and Economics Discussion Series
The Finance and Economics Discussion Series logo links to FEDS home page Trading Volume and Information Distribution in a Market-Clearing Framework
Dominique Y. Dupont

Abstract: This paper investigates the relations between aggregate trading volume and information on financial markets from a theoretical standpoint. Through numerical examples, it relates some statistics describing equilibrium price and volume--such as the variance of the price and its correlation with the true asset value, the volume mean, variance, skewness, and kurtosis--to the distribution of information across traders. The analysis is carried out in a static noisy rational expectations framework, with multiple informed traders, where both the precision and the correlation of the signals observed by the traders can be modified.

Keywords: Trading volume, information

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Last update: January 27, 1998