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Linear Regressions with Combined Data

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Listed:
  • D'Haultfoeuille, Xavier
  • Gaillac, Christophe
  • Maurel, Arnaud

Abstract

We study best linear predictions in a context where the outcome of interest and some of the covariates are observed in two different datasets that can-not be matched. Traditional approaches obtain point identification by relying, often implicitly, on exclusion restrictions. We show that without such restric-tions, coefficients of interest can still be partially identified and we derive a constructive characterization of the sharp identified set. We then build on this characterization to develop computationally simple and asymptotically normal estimators of the corresponding bounds. We show that these estimators exhibit good finite sample performances.

Suggested Citation

  • D'Haultfoeuille, Xavier & Gaillac, Christophe & Maurel, Arnaud, 2024. "Linear Regressions with Combined Data," TSE Working Papers 24-1602, Toulouse School of Economics (TSE).
    • Handle: RePEc:tse:wpaper:130028
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    References listed on IDEAS

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