Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/64771
Authors: 
Costa Dias, Monica
Ichimura, Hidehiko
van den Berg, Gerard
Year of Publication: 
2010
Series/Report no.: 
cemmap working paper CWP35/10
Abstract: 
The matching method for treatment evaluation does not balance selective unobserved differences between treated and non-treated. We derive a simple correction term if there is an instrument that shifts the treatment probability to zero in specific cases. Within the same framework we also suggest a new test of the conditional independence assumption justifying matching. Policies with eligibility restrictions, where treatment is impossible if some variable exceeds a certain value, provide a natural application. In an empirical analysis, we exploit the age eligibility restriction in the Swedish Youth Practice subsidized work program for young unemployed, where compliance is imperfect among the young. Adjusting the matching estimator for selectivity changes the results towards making of subsidized work detrimental in moving individuals into employment.
Subjects: 
propensity score
regression discontinuity
instrumental variable
policy evaluation
treatment effect
selection
job search assistance
subsidized work
youth unemployment
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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