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We develop a theory of optimal stopping problems under ambiguity in continuous time. Using results from (backward … from the agent's ambiguity aversion. We show how to use these general results for search problems and American Options. …
Persistent link: https://www.econbiz.de/10010272549
We consider optimal stopping problems for ambiguity averse decision makers with multiple priors. In general, backward …
Persistent link: https://www.econbiz.de/10010272620
-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
only possible if all discounted net trades of the equilibrium allocation are mean ambiguity-free. …
Persistent link: https://www.econbiz.de/10010411561
This paper relates recursive utility in continuous time to its discrete-time origins and provides a rigorous and intuitive alternative to a heuristic approach presented in [Duffie, Epstein 1992], who formally define recursive utility in continuous time via backward stochastic differential...
Persistent link: https://www.econbiz.de/10010271454
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
Using the Hamilton-Jacobi-Bellman equation, we derive both a Keynes-Ramsey rule and a closed form solution for an optimal consumption-investment problem with labor income. The utility function is unbounded and uncertainty stems from a Poisson process. Our results can be derived because of the...
Persistent link: https://www.econbiz.de/10010261427