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Solving Internal Habit Formation Models Through Dynamic Programming in Infinite Dimension

Augeraud-Veron, E.; Bambi, M.; Gozzi, F.

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Authors

E. Augeraud-Veron

F. Gozzi



Abstract

In this paper, we study an economic model, where internal habits play a role. Their formation is described by a more general functional form than is usually assumed in the literature, because a finite memory effect is allowed. Indeed, the problem becomes the optimal control of a standard ordinary differential equation, with the past of the control entering both the objective function and an inequality constraint. Therefore, the problem is intrinsically infinite dimensional. To solve this model, we apply the dynamic programming approach and we find an explicit solution for the associated Hamilton–Jacobi–Bellman equation, which lets us write the optimal strategies in feedback form. Therefore, we contribute to the existing literature in two ways. Firstly, we fully develop the dynamic programming approach to a type of problem not studied in previous contributions. Secondly, we use this result to unveil the global dynamics of an economy characterized by generic internal habits.

Citation

Augeraud-Veron, E., Bambi, M., & Gozzi, F. (2017). Solving Internal Habit Formation Models Through Dynamic Programming in Infinite Dimension. Journal of Optimization Theory and Applications, 173(2), 584-611. https://doi.org/10.1007/s10957-017-1073-8

Journal Article Type Article
Acceptance Date Jan 27, 2017
Online Publication Date Feb 10, 2017
Publication Date May 1, 2017
Deposit Date Aug 2, 2018
Publicly Available Date Mar 29, 2024
Journal Journal of Optimization Theory and Applications
Print ISSN 0022-3239
Electronic ISSN 1573-2878
Publisher Springer
Peer Reviewed Peer Reviewed
Volume 173
Issue 2
Pages 584-611
DOI https://doi.org/10.1007/s10957-017-1073-8
Public URL https://durham-repository.worktribe.com/output/1352991
Related Public URLs http://eprints.whiterose.ac.uk/111979/

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