Search Results for author: Xavier D'Haultfœuille

Found 7 papers, 1 papers with code

Two-way Fixed Effects and Differences-in-Differences Estimators in Heterogeneous Adoption Designs

no code implementations7 May 2024 Clément de Chaisemartin, Xavier D'Haultfœuille

If there are stayers with a period-two treatment equal to 0, the robust estimator is a difference-in-differences (DID) estimator using stayers as the control group.

Difference-in-Differences Estimators with Continuous Treatments and no Stayers

no code implementations8 Feb 2024 Clément de Chaisemartin, Xavier D'Haultfœuille, Gonzalo Vazquez-Bare

However, such estimators are not robust to heterogeneous treatment effects in general; they also rely on the linearity of treatment effects.

Estimating the Gains (and Losses) of Revenue Management

no code implementations9 Jun 2022 Xavier D'Haultfœuille, Ao Wang, Philippe Février, Lionel Wilner

Despite the wide adoption of revenue management in many industries such as airline, railway, and hospitality, there is still scarce empirical evidence on the gains or losses of such strategies compared to uniform pricing or fully flexible strategies.

Management

A Robust Permutation Test for Subvector Inference in Linear Regressions

no code implementations13 May 2022 Xavier D'Haultfœuille, Purevdorj Tuvaandorj

We develop a new permutation test for inference on a subvector of coefficients in linear models.

Partially Linear Models under Data Combination

1 code implementation11 Apr 2022 Xavier D'Haultfœuille, Christophe Gaillac, Arnaud Maurel

We study partially linear models when the outcome of interest and some of the covariates are observed in two different datasets that cannot be linked.

Two-Way Fixed Effects and Differences-in-Differences with Heterogeneous Treatment Effects: A Survey

no code implementations8 Dec 2021 Clément de Chaisemartin, Xavier D'Haultfœuille

Linear regressions with period and group fixed effects are widely used to estimate policies' effects: 26 of the 100 most cited papers published by the American Economic Review from 2015 to 2019 estimate such regressions.

Econometrics

Two-way Fixed Effects and Differences-in-Differences Estimators with Several Treatments

no code implementations18 Dec 2020 Clément de Chaisemartin, Xavier D'Haultfœuille

Under a parallel trends assumption, we show that the coefficient on each treatment identifies a weighted sum of that treatment's effect, with possibly negative weights, plus a weighted sum of the effects of the other treatments.

regression

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