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The paper uses a Walrasian two-period financial market model with informed and uninformed constant absolute risk averse (CARA) rational investors and noise traders. The investors allocate their initial wealth between risky assets and risk-free fiat money. The analysis concentrates on the effects...
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This paper formulates a model of utility for a continuous time frame-work that captures the decision-maker's concern … with ambiguity about both volatility and drift. Corresponding extensions of some basic results in asset pricing theory are …, sharper predictions can be obtained by assuming preference maximization and equilibrium. Thus we apply the model of utility to …
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