Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/250712 
Year of Publication: 
2022
Series/Report no.: 
IZA Discussion Papers No. 15051
Publisher: 
Institute of Labor Economics (IZA), Bonn
Abstract: 
In RD designs with multiple cutoffs, the identification of an average causal effect across cutoffs may be problematic if a marginally exposed subject is located exactly at each cutoff. This occurs whenever a fixed number of treatment slots is allocated starting from the subject with the highest (or lowest) value of the score, until exhaustion. Exploiting the "within" variability at each cutoff is the safest and likely efficient option. Alternative strategies exist, but they do not always guarantee identification of a meaningful causal effect and are less precise. To illustrate our findings, we revisit the study of Pop-Eleches and Urquiola (2013).
Subjects: 
regression discontinuity
multiple cutoffs
normalizing-and-pooling
JEL: 
C01
Document Type: 
Working Paper

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