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Stratifying on treatment status

Author

Listed:
  • Hahn, Jinyong
  • Ham, John
  • Ridder, Geert
  • Sheng, Shuyang

Abstract

We study the estimation of treatment effects using samples stratified by treatment status. Standard estimators of the average treatment effect and the local average treatment effect are inconsistent in this setting. We propose consistent estimators and characterize their asymptotic distributions.

Suggested Citation

  • Hahn, Jinyong & Ham, John & Ridder, Geert & Sheng, Shuyang, 2025. "Stratifying on treatment status," Economics Letters, Elsevier, vol. 253(C).
    • Handle: RePEc:eee:ecolet:v:253:y:2025:i:c:s0165176525002071
    DOI: 10.1016/j.econlet.2025.112370
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    More about this item

    Keywords

    Stratification; Treatment effects; Asymptotic variance;
    All these keywords.

    JEL classification:

    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C83 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Survey Methods; Sampling Methods
    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General

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