Viable allocations of information in financial markets |
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Institution: | 1. Cornell University Johnson Graduate School of Management, United States;2. The Ohio State University Fisher College of Business, 2100 Neil Avenue, Columbus OH 43210, United States;3. Columbia Business School, ABFER, and NBER, United States |
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Abstract: | We study, in the context of a financial market, allocations of information that are consistent with endogenous information acquisition. We focus on whether information is concentrated within a fraction of the market or is diffuse. The aggregation of information in prices tends to make signals more complementary than they would be if considered in isolation, favoring concentration of information. However, the ability to use some signals together with prices to predict other signals may increase the degree of substitutability among signals. We present conditions under which each of these effects is particularly strong. |
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