Taming the Curse of Dimensionality: Quantitative Economics with Deep Learning

Fernández-Villaverde, Jesús, Nuño, Galo and Jesse Perla

No 19636, CEPR Discussion Papers from Centre for Economic Policy Research

Abstract: We argue that deep learning provides a promising avenue for taming the curse of dimensionality in quantitative economics. We begin by exploring the unique challenges posed by solving dynamic equilibrium models, especially the feedback loop between individual agents' decisions and the aggregate consistency conditions required by equilibrium. Following this, we introduce deep neural networks and demonstrate their application by solving the stochastic neoclassical growth model. Next, we compare deep neural networks with traditional solution methods in quantitative economics. We conclude with a survey of neural network applications in quantitative economics and offer reasons for cautious optimism.

Keywords: Deep; learning (search for similar items in EconPapers)
JEL-codes: C61 C63 E27 (search for similar items in EconPapers)
Date: 2024-11
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