Campania, Carlos Heitor and Garcia, René (2019) Approximate analytical solutions for consumption/investment problems under recursive utility and finite horizon. The North American Journal of Economics and Finance, 48. pp. 364-384.

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Identification Number : 10.1016/j.najef.2019.03.005


We study the asset allocation and consumption decisions of an investor with recursive utility and
a finite investment horizon. We provide an approximate analytical solution under a stochastic
investment opportunity set. The solution becomes exact when the elasticity of intertemporal
substitution is equal to one or under a constant opportunity set. We show that this elasticity
impacts both consumption and portfolio strategies, indicating the importance of disentangling
intertemporal substitution from risk aversion. The investor�s horizon also plays a crucial role in
optimal policies and the usual infinite horizon framework is inappropriate for investors having
short- or medium-term horizons. Moreover, the infinite horizon problem reveals the existence of
conditions on the preference parameters for our solution to hold, raising the question of whether
another solution may exist or not. On its turn, the absence of a bequest motive in the finite
horizon problem imposes another condition on risk parameters.

Item Type: Article
Language: English
Date: April 2019
Refereed: Yes
Uncontrolled Keywords: Intertemporal hedging, Finite horizon, Stochastic differential utility, Exact analytical solution, Approximate analytical solution
Divisions: TSE-R (Toulouse)
Site: UT1
Date Deposited: 09 Jul 2020 08:23
Last Modified: 27 Oct 2021 13:38
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