NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Arild Aakvik

University of Bergen
Department of Economics
Fosswinckelsg 6, N-5007 Bergen, Norway

E-Mail: arild.aakvik@econ.uib.no

NBER Working Papers and Publications

September 2000Treatment Effects for Discrete Outcomes when Responses to Treatment Vary Among Observationally Identical Persons: An Application to Norwegian ...
with James J. Heckman, Edward J. Vytlacil: t0262
This paper formulates an econometric framework for studying the impact of interventions on discrete outcomes when responses to treatment vary among observationally identical persons. Using a latent variable model that can be linked to well-posed economic models, we show how to define and interpret the average treatment effects, the average effect of treatment on the treated, the marginal treatment effect and the distribution of treatment effects for discrete outcomes. To estimate these parameters and the distribution of treatment effects, we formulate and estimate a discrete choice model with unobservables generated by a factor structure model. We apply our methods to evaluate the effect of Norwegian Vocational Rehabilitation training programs on employment outcomes for women. We find t...

Published: Aakvik, Arild, James J. Heckman and Edward J. Vytlacil. "Estimating Treatment Effects For Discrete Outcomes When Responses To Treatment Vary: An Application To Norwegian Vocational Rehabilitation Programs," Journal of Econometrics, 2005, v125(1-2,Mar-Apr), 15-51.

 
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