Informed Trading and the "Leakage" of Information
This paper, in a Shapley-Shubik market game framework, examines the effect of "leakage" of information: private information becoming available to uninformed traders at a later date. We show that (a) if information acquisition by the informed traders is costless, this leads to faster revelation of information; (b) if information acquisition is costly, there may be no acquisition of information; (c) information leakage leads to a fall in the value of information and, hence, increases the incentive for informed traders to sell the information.
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