Marginal Treatment Effects and Monotonicity
Henrik Sigstad
TL;DR
This paper examines the robustness of marginal treatment effect analyses when the traditional monotonicity assumption is weakened, proposing alternative conditions under which key parameters can still be identified.
Contribution
It introduces weaker forms of the monotonicity assumption that still allow for identification of parameters in MTE analysis.
Findings
Weaker monotonicity conditions still enable identification of treatment effects.
Popular MTE estimands remain valid under these relaxed assumptions.
The paper broadens the applicability of MTE analysis in empirical research.
Abstract
How robust are analyses based on marginal treatment effects (MTE) to violations of Imbens and Angrist (1994) monotonicity? In this note, I present weaker forms of monotonicity under which popular MTE-based estimands still identify the parameters of interest.
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Taxonomy
TopicsEuropean and International Law Studies