Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/71514
Authors: 
Abbring, Jaap
van den Berg, Gerard
Year of Publication: 
2005
Series/Report no.: 
IFS Working Papers, Institute for Fiscal Studies (IFS) 05/19
Abstract: 
This paper examines the empirical analysis of treatment effects on duration outcomes from data that contain instrumental variation. We focus on social experiments in which an intention to treat is randomized and compliance may be imperfect. We distinguish between cases where the treatment starts at the moment of randomization and cases where it starts at a later point in time. We derive exclusion restrictions under various informational and behavioral assumptions and we analyze identifiability under these restrictions. It turns out that randomization (and by implication, instrumental variation) by itself is often insufficient for inference on interesting effects, and needs to be augmented by a semi-parametric structure. We develop corresponding non- and semi-parametric tests and estimation methods.
Subjects: 
event-history analysis
intention to treat
non-compliance
policy evaluation
selection.
JEL: 
C14
C31
C41
J6
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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