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COMPLEX DYNAMICS IN LUCAS’ TREE ASSET PRICING MODEL WITH DYNAMIC SELF-CONTROL PREFERENCES

Published online by Cambridge University Press:  28 November 2019

Marco Airaudo*
Affiliation:
Drexel University
*
Address correspondence to: Marco Airaudo, School of Economics, Drexel University, Gerri C. LeBow Hall, 3220 Market Street, Philadelphia, PA 19104, USA. Phone: +1-215-898-6982. e-mail: marco.airaudo@drexel.edu.
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Abstract

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This paper studies the global equilibrium dynamics implied by a Lucas’ tree asset pricing model where the representative agent is subject to temptation in consumption choices, and displays dynamic self-control preferences, as defined by Gul and Pesendorfer [(2004) Econometrica 72, 119–158.]. It shows that endogenous cycles of period 2 and higher, as well as chaotic dynamics exist provided temptation utility is sufficiently important (with respect to standard commitment utility) and sufficiently convex. For parameterizations leading to complex deterministic dynamics, a stochastic version of the model admits rational expectations equilibria displaying excess volatility with respect to the underlying fundamentals.

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Type
Articles
Copyright
© Cambridge University Press 2019