Xavier D'HAULTFOEUILLE

**Grade :** Administrateur hors classe

**Mail :** xavier.dhaultfoeuille[arrowbase]ensae.fr

## Research Interests | [haut] | |

Econometric theory (in particular identification issues) Empirical industrial organization | ||

## Biography | ||

## Education | [haut] | |

2005-2009: PhD Thesis "Essay on some Identification Issues in Economics", supervised by Jean-Marc Robin. 2003-2005: ENSAE. 2003-2004: DEA EIME (Paris 1). 1997-1999: ENSAI. | ||

## Jobs | [haut] | |

Spring 2013: visiting professor at Boston College. 20011-now: researcher at CREST-ENSAE. 2008-2011: researcher on firms strategies issues at INSEE. 2005-2008: assistant professor in statistics at ENSAE. 2000 - 2003: researcher on data collection issues at the methodological unit (UMS) of INSEE. | ||

## Publications | [haut] | |

- Automobile Prices in Market Equilibrium with Unobserved Price Discrimination, with Isis Durrmeyer and Philippe Février. forthcoming in Review of Economic Studies. Supplementary material.
- A cautionary tale on instrument vector calibration for the treatment of unit nonresponse in surveys, with David Haziza and Eric Lesage. Forthcoming in Journal of the American Statistical Association.
- Fuzzy Differences-in-Differences (2018), with Clément de Chaisemartin. Review of Economic Studies (85). Supplementary Material. See in "Work in progress" below for the Stata package and the corresponding paper.
- Extremal Quantile Regressions for Selection Models and the Black-White Wage Gap (2018), with Arnaud Maurel and Yichong Zhang. Journal of Econometrics (203). Supplementary Material. Stata code and documentation.
- Identification of Additive and Polynomial Models of Mismeasured Regressors Without Instruments (2017), with Dan Ben-Moshe and Arthur Lewbel. Journal of Econometrics (200).
- Measuring Segregation on Small Units: A Partial Identification Analysis (2017), with Roland Rathelot. Quantitative Economics (8). Supplement.
- Disentangling Sources of Vehicle Emissions Reduction in France: 2003-2008 (2016), with Isis Durrmeyer and Philippe Février. International Journal of Industrial Organization (47).
- A Convenient Method for the Estimation of the Multinomial Logit Model with Fixed Effects (2016), with Alessandro Iaria. Economics Letters (141). Supplement. Matlab code.
- Identification of Mixture Models Using Support Variation (2015), with Philippe Février. Journal of Econometrics (189).
- Identification of Nonseparable Triangular Models with Discrete Instruments (2015), with Philippe Février. Econometrica (83). Supplementary materials. Old, longer version.
- The Environmental Effect of Green Taxation: the Case of the French “Bonus/Malus” (2014), with Pauline Givord and Xavier Boutin. Economic Journal (Features, 124).
- Inference on an Extended Roy Model, with an Application to Schooling Decisions in France (2013), with Arnaud Maurel. Journal of Econometrics (174). Web appendix.
- Another Look at Identification at Infinity of Sample Selection Models, (2013), with Arnaud Maurel, Econometric Theory (29).
- On the Completeness Condition for Nonparametric Instrumental Problems (2011), Econometric Theory (27).
- A New Instrumental Method for Dealing with Endogenous Selection (2010), Journal of Econometrics (154).
- Identification of Peer Effects Using Group Size Variation (2009), with Laurent Davezies and Denis Fougère, Econometrics Journal (12).
- Measuring the Evolution of Complex Indicators: Theory and Application to the Poverty Rate in France (2008), with Fabien Dell, Annales d’Economie et de Statistique (90).
In French: - La régression quantile en pratique (2014), Economie et Statistique (471) with Pauline Givord.
- Le coût du bonus/malus écologique : que pouvait-on prédire ? (2011), Revue économique (62), with Isis Durrmeyer and Philippe Février.
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## Teaching | [haut] | |

Semi and nonparametric econometrics at ENSAE (3rd year) and Paris Sacler Master (M2): quantile regression, IV in nonlinear / nonparametric models, partial identification. Econometrics 2 at ENSAE (2nd year). Econometrics 1 at the Master in Economics (1st year). | ||

## Work in progress | [haut] | |

Papers under revision: - The Provision of Wage Incentives: A Structural Estimation Using Contracts Variation, with Philippe Février, 2nd revision requested by Quantitative Economics.
- Nonlinear Difference-in-Differences in Repeated Cross Sections with Continuous Treatments, with Stefan Hoderlein and Yuya Sasaki. Revision requested by Journal of Econometrics.
Working papers - Two-way fixed effects estimators with heterogeneous treatment effects, with Clément de Chaisemartin. Stata programs to estimate the weights.
- Asymptotic results under multiway clustering, with Laurent Davezies and Yannick Guyonvarch.
- Fuzzy differences-in-differences with Stata, with Clément de Chaisemartin and Yannick Guyonvarch.
Package for the Stata command. Coming soon: - Testing Rational Expectations using Data Combination, with Christophe Gaillac and Arnaud Maurel.
In French : Faut-il pondérer ? Ou l'éternelle question de l'économètre confronté à des données de sondage, with Laurent Davezies.
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## Other | [haut] | |

1. Associate editor for Review of Economic Studies (2016-), Econometric Theory (2017-), The Econometrics Journal (2016-) and Annals of Economics and Statistics (2011-). 2. Former co-editor of Annals of Economics and Statistics (2013-2015). 3. Referee for Annals of Statistics, Econometrica, Economic Journal, Journal of Business and Economic Statistics, Journal of Applied Econometrics, Journal of Econometrics, Journal of the Royal Statistical Society (B), Macroeconomic Dynamics, Oxford Bulletin of Economics and Statistics, Quantitative Economics, The Econometrics Journal, The Rand Journal of Economics, The Review of Economics and Statistics. 4. SAS macros : Computation of inequality indicators and their variances. (details on the macros are available at the end of this document (in French), written with Fabien Dell, Philippe Février and Emmanuel Massé). Estimation of the sample selection model by the Heckman two-step procedure. (details on the macro are available in this document, in French).
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