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Scalable Nonparametric Demand Estimation in Differentiated Product Markets

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  • Julien Monardo

Abstract

The answers to many economic questions depend on the slope and curvature of demand. Estimating demand for differentiated products entails a trade-off between flexibility and scalability. Existing nonparametric approaches face a curse of dimensionality in the number of products. I develop a scalable nonparametric approach using market-level data that overcomes this curse through economically motivated restrictions embedded in many standard models. Simulations and an application to the U.S. beer market demonstrate flexibility in demand slope and curvature, with consequential differences in counterfactual price responses. Estimation in the application takes seconds, versus several hours for a random coefficient nested logit model.

Suggested Citation

  • Julien Monardo, 2026. "Scalable Nonparametric Demand Estimation in Differentiated Product Markets," Papers 2610.08467, arXiv.org.
    • Handle: RePEc:arx:papers:2610.08467
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    File URL: https://arxiv.org/pdf/2610.08467
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