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only possible if all discounted net trades of the equilibrium allocation are mean ambiguity-free. …
Persistent link: https://www.econbiz.de/10010411561
-Debreu equilibria only if the values of net trades are ambiguity-free in the mean. Without aggregate uncertainty, inefficiencies arise …
Persistent link: https://www.econbiz.de/10011477416
models featuring smooth ambiguity preferences. We rely on semi-nonparametric estimation of a flexible auxiliary model in our … pricing models with smooth ambiguity. Statistical model comparison shows that models with ambiguity, learning and time …
Persistent link: https://www.econbiz.de/10011780610
We consider the strategic interaction of traders in a continuous-time financial market with Epstein-Zin-type recursive intertemporal preferences and performance concerns. We derive explicitly an equilibrium for the finite player and the mean-field version of the game, based on a study of...
Persistent link: https://www.econbiz.de/10014473535
We establish a convergence theorem that shows that discrete-time recursive utility, as developed by Kreps and Porteus (1978), converges to stochastic differential utility, as introduced by Duffie and Epstein (1992), in the continuous-time limit of vanishing grid size.
Persistent link: https://www.econbiz.de/10010225872
We study consumption-portfolio and asset pricing frameworks with recursive preferences and unspanned risk. We show that in both cases, portfolio choice and asset pricing, the value function of the investor/representative agent can be characterized by a specific semilinear partial differential...
Persistent link: https://www.econbiz.de/10010359861
We consider optimal stopping problems for ambiguity averse decision makers with multiple priors. In general, backward …). -- Optimal stopping ; Ambiguity ; Uncertainty aversion …
Persistent link: https://www.econbiz.de/10003731193
This interdisciplinary paper explains how mathematical techniques of stochastic optimal control can be applied to the recent subprime mortgage crisis. Why did the financial markets fail to anticipate the recent debt crisis, despite the large literature in mathematical finance concerning optimal...
Persistent link: https://www.econbiz.de/10003807893
This paper explores the application of contingent claims analysis (CCA) to two quot;hotquot; issues in life-cycle finance: (1) investing for retirement and (2) deciding when, if ever, to switch careers. Participants in individual retirement accounts do not have the time or the knowledge to make...
Persistent link: https://www.econbiz.de/10003888707
The two fund separation property of the elliptical distributions is extended to the skew-elliptical and by adding a number of funds equalling the rank of the skewness matrix. Some elements of the generalization to singular extended skew-elliptical distributions are covered. -- Portfolio...
Persistent link: https://www.econbiz.de/10008825359