Testing treatment effect heterogeneity in regression discontinuity designs
Yu-Chin Hsu () and
Journal of Econometrics, 2019, vol. 208, issue 2, 468-486
Treatment effect heterogeneity is frequently studied in regression discontinuity (RD) applications. This paper proposes, under the RD setup, formal tests for treatment effect heterogeneity among individuals with different observed pre-treatment characteristics. The proposed tests study whether a policy treatment (1) is beneficial for at least some subpopulations defined by pre-treatment covariate values, (2) has any impact on at least some subpopulations, and (3) has a heterogeneous impact across subpopulations. The empirical section applies the tests to study the impact of attending a better high school and discovers interesting patterns of treatment effect heterogeneity neglected by previous studies.
Keywords: Sharp regression discontinuity; Fuzzy regression discontinuity; Treatment effect heterogeneity (search for similar items in EconPapers)
JEL-codes: C21 C31 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:208:y:2019:i:2:p:468-486
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