Arbeitspapier
Program evaluation with high-dimensional data
In this paper, we provide efficient estimators and honest confidence bands for a variety of treatment effects including local average (LATE) and local quantile treatment effects (LQTE) in data-rich environments. We can handle very many control variables, endogenous receipt of treatment, heterogeneous treatment effects, and function-valued outcomes. Our framework covers the special case of exogenous receipt of treatment, either conditional on controls or unconditionally as in randomized control trials. In the latter case, our approach produces efficient estimators and honest bands for (functional) average treatment effects (ATE) and quantile treatment effects (QTE). To make informative inference possible, we assume that key reduced form predictive relationships are approximately sparse. This assumption allows the use of regularization and selection methods to estimate those relations, and we provide methods for post-regularization and post-selection inference that are uniformly valid (honest) across a wide-range of models. We show that a key ingredient enabling honest inference is the use of orthogonal or doubly robust moment conditions in estimating certain reduced form functional parameters. We illustrate the use of the proposed methods with an application to estimating the effect of 401(k) eligibility and participation on accumulated assets. The results on program evaluation are obtained as a consequence of more general results on honest inference in a general moment condition framework, where we work with possibly a continuum of moments. We provide results on honest inference for (function-valued) parameters within this general framework where modern machine learning methods are used to fit the nonparametric/highdimensional components of the model. These include a number of supporting new results that are of major independent interest: namely, we (1) prove uniform validity of a multiplier bootstrap, (2) offer a uniformly valid functional delta method, and (3) provide results for sparsity-based estimation of regression functions for function-valued outcomes.
- Language
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Englisch
- Bibliographic citation
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Series: cemmap working paper ; No. CWP55/15
- Classification
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Wirtschaft
- Subject
-
machine learning
endogeneity
local average and quantile treatment effects
instruments
local effects of treatment on the treated
propensity score
Lasso
inference after model selection
moment condition models
moment condition models with a continuum of target parameters
Lasso and Post-Lasso with functional response data
randomized control trials
- Event
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Geistige Schöpfung
- (who)
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Belloni, Alexandre
Chernozhukov, Victor
Fernández-Val, Ivan
Hansen, Christian
- Event
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Veröffentlichung
- (who)
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Centre for Microdata Methods and Practice (cemmap)
- (where)
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London
- (when)
-
2015
- DOI
-
doi:10.1920/wp.cem.2015.5515
- Handle
- Last update
-
10.03.2025, 11:44 AM CET
Data provider
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. If you have any questions about the object, please contact the data provider.
Object type
- Arbeitspapier
Associated
- Belloni, Alexandre
- Chernozhukov, Victor
- Fernández-Val, Ivan
- Hansen, Christian
- Centre for Microdata Methods and Practice (cemmap)
Time of origin
- 2015
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