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Simple method for efficiently solving dynamic models with continuous actions using policy gradient

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  • Takeshi Fukasawa

Abstract

This study proposes the Value Function-Policy Gradient Iteration-Spectral (VF-PGI-Spectral) algorithm, which efficiently solves discrete-time infinite-horizon dynamic models with continuous actions. It combines the spectral algorithm to accelerate convergence. The method is applicable not only to single-agent dynamic optimization problems, but also to multi-agent dynamic games, which previously proposed methods cannot deal with. Moreover, the proposed algorithm is not limited to models with specific functional forms, and applies to models with multiple continuous actions. This study shows the results of numerical experiments, showing the effective performance of the proposed algorithm.

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  • Takeshi Fukasawa, 2024. "Simple method for efficiently solving dynamic models with continuous actions using policy gradient," Papers 2407.04227, arXiv.org.
    • Handle: RePEc:arx:papers:2407.04227
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