A simple procedure for the evaluation of treatment effects on duration variables

Jaap H. Abbring () and Gerard J. van den Berg

No 2003:19, Working Paper Series from IFAU - Institute for Labour Market Policy Evaluation

Abstract: Often, a treatment and the outcome of interest are characterized by the moment they occur, and these moments are realizations of stochastic processes with dependent unobserved determinants. We develop a simple and intuitive method for inference on the treatment effect. The method can be implemented as a graphical procedure or as a straightforward parameter test in an auxiliary univariate single-spell duration model. The method exploits information on the timing of the treatment relative to the outcome that is discarded in binary treatment analyses.

Keywords: Duration analysis; hazard rate; selectivity bias; treatment effect; unobserved heterogeneity (search for similar items in EconPapers)
JEL-codes: C14 C31 C41 (search for similar items in EconPapers)
Date: Written 2003-08-11
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Working Paper: A Simple Procedure for the Evaluation of Treatment Effects on Duration Variables (2003)
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