14
May
2019
Direct and Indirect Effects based on Changes-in-Changes
with Martin Huber (University of Fribourg)
11:00 am
12:30 pm
For inquiries:
seminars@liser.lu

Abstract

We propose a novel approach for causal mediation analysis based on a changes-in-changes assumptions restricting unobserved heterogeneity over time. This allows disentangling the causal effect of a binary treatment on an outcome into an indirect effect operating through a binary intermediate variable (called mediator) and a direct effect running via other causal mechanisms. We identify average and quantile direct and indirect effects for various subgroups under the condition that the outcome is monotonic in the unobserved heterogeneity and that the distribution of the latter does not change over time conditional on the treatment and the mediator. We also provide a simulation study and an empirical application.

Light lunch provided for registered participants; please register by May 10, 10:00 a.m. (registration link below seminar title)

Supported by the Luxembourg National Research Fund (RESCOM/2021/16537536)

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