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" to the physical probability measure P, where closeness is measured in terms of relative entropy. In this paper, we … determine the minimal entropy martingale measure in a market where securities are traded with payoffs depending on two types of … these risks are independent under the entropy measure. Moreover, in such a market the entropy measure of the combined …
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The paper reports empirical tests of the beta model for pricing fixed-income options. The beta model resembles the Black-Scholes model with the lognormal probability distribution replaced by a beta probability distribution. The test is based on 32 817 daily prices of Eurodollar futures options...
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The present paper considers a class of general equilibrium economics when the primitive uncertainty model features uncertainty about continuous-time volatility. This requires a set of mutually singular priors, which do not share the same null sets. For this setting we introduce an appropriate...
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