Difference-in-Difference Estimators with Continuous Treatments and No Stayers

Clément de Chaisemartin, Xavier D'Haultfoeuille and Gonzalo Vazquez-Bare

AEA Papers and Proceedings, 2024, vol. 114, 610-13

Abstract: Many treatments, such as prices, taxes, or temperatures, are continuous in nature. Empirical researchers usually rely on two-way fixed effect regressions to estimate treatment effects in such cases. However, such estimators are not robust to heterogeneous treatment effects in general and rely on the linearity of treatment effects. We develop a difference-in-difference strategy for continuous treatments without imposing such restrictions when there are no stayers: treatment of all units changes between consecutive periods. We extend the nonparametric results of de Chaisemartin et al. (2023) to this setup and present a parametric approach that overcomes some limitations of the nonparametric approach.

JEL-codes: C13 C14 C21 (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (3)

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Working Paper: Difference-in-Difference Estimators with Continuous Treatments and No Stayers (2024)
Working Paper: Difference-in-Difference Estimators with Continuous Treatments and No Stayers (2024)
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DOI: 10.1257/pandp.20241049

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