A simple test for the ignorability of non-compliance in experiments

Martin Huber

Economics Letters, 2013, vol. 120, issue 3, 389-391

Abstract: This paper proposes a simple method for testing whether non-compliance in experiments is ignorable, i.e., not jointly related to the treatment and the outcome. The approach consists of (i) regressing the outcome variable on a constant, the treatment, the assignment indicator, and the treatment/assignment interaction and (ii) testing whether the coefficients on the latter two variables are jointly equal to zero. A brief simulation study illustrates the finite sample properties of the test.

Keywords: Experiment; Treatment effects; Non-compliance; Endogeneity; Test (search for similar items in EconPapers)
JEL-codes: C12 C21 C26 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolet:v:120:y:2013:i:3:p:389-391

DOI: 10.1016/j.econlet.2013.05.018

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