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Asset allocation and option pricing models are often formulated by means of linear stochastic differential equations. We show that this class of models is not identifiable from information contained in discrete-time data when the expected return process is unobservable. The indeterminacy arises...
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portfolio (PE), a Lagrange function is built and minimized. Also, on the basis of the results obtained from the analysis, the … after the analysis period. The data used in our analysis are shares of financial investment companies (SIF), traded on the … Bucharest Stock Exchange, and the distribution used in the analysis is lognormal. The structure of the portfolio obtained …
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