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Many tests of asset pricing models address only the pricing predictions - but these pricing predictions rest on portfolio choice predictions which seem obviously wrong. This paper suggests a new approach to asset pricing and portfolio choices, based on unobserved heterogeneity. This approach...
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utility of terminal wealth, we prove the existence of an information premium between what is required by the theory, a …
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interaction of portfolio rules of competing market participants. A comprehensive theory of evolutionary dynamics of this kind has … the theory to a class of models with short selling and endogenous asset supply …
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