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In contrast to Robert Mundell‘s Optimum Currency Area theory and his recommendation of forming monetary union, the …
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This study develops and implements a theory and method for analyzing whether introducing new securities or relaxing …
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I develop a stochastic growth model with production where there is a hidden state governing productivity growth regimes, and the hidden state evolves according to a Markov chain. Economic agents learn about the hidden state and display ambiguity aversion in the spirit of Klibanoff et al. (2005)....
Persistent link: https://www.econbiz.de/10009411461
This note develops the solutions of the static portfolio optimization problem in explicit matrix form. Three cases are contemplated and connected, with the derivation of relevant corner solutions: the unconstrained problem in the presence of risky assets only, the constrained one, and the...
Persistent link: https://www.econbiz.de/10011526683
In this paper, expected utility, defined by a Taylor series expansion around expected wealth, is maximized. The coefficient of relative risk aversion (CRRA) that is commensurate with a 100% investment in the risky asset is simulated. The following parameters are varied: the riskless return, the...
Persistent link: https://www.econbiz.de/10010490408
I study the effects of risk and ambiguity (Knightian uncertainty) on optimal portfolios and equilibrium asset prices when investors receive information that is difficult to link to fundamentals. I show that the desire of investors to hedge ambiguity leads to portfolio inertia and excess...
Persistent link: https://www.econbiz.de/10013133587
under ambiguity, called Shadow probability theory, a generalization of the Choquet expected utility. In this model … space. Risk and risk attitude, on the other hand, apply to the subordinated space, as in classical expected utility theory … the classical asset pricing theory by incorporating ambiguous probabilities. It proposes a well defined ambiguity premium …
Persistent link: https://www.econbiz.de/10013119880