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Pré-publication, Document de travail Année : 2024

Optimal control of an infinite-dimensional problem with a state constraint arising in the spatial economic growth theory

Résumé

We use Ekeland’s variational principle together with Pontryagin’s maximum principle to solve an optimal spatiotemporal economic growth model with a state constraint (no-negative capital stock) where capital law of motion follows a diffusion equation. We obtain the set of necessary optimal conditions for the solution to meet the state constraints for all time and locations. The maximum principle allows to reduce the infinite-horizon optimal control problem into a finite-horizon one ultimately leading to prove the uniqueness of the optimal solution with positive capital, and non-existence of the optimal solution with eventually strictly positive capital when the time discount rate is too large or too small.
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Dates et versions

halshs-04630098, version 1 (01-07-2024)

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  • HAL Id : halshs-04630098 , version 1

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Raouf Boucekkine, Carmen Camacho, Weihua Ruan. Optimal control of an infinite-dimensional problem with a state constraint arising in the spatial economic growth theory. 2024. ⟨halshs-04630098⟩
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