Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/103390
Authors: 
Winkelmann, Rainer
Year of Publication: 
2014
Series/Report no.: 
SOEPPapers on Multidisciplinary Panel Data Research 688
Abstract: 
In 2004, the German Social Health Insurance introduced a co-payment for the first doctor visit in a calendar quarter. I combine a structural model of health care demand and a difference-in-differences strategy to estimate the effect of that reform on the number of visits. In the model, the implied incentive to delay a first visit also affects subsequent visits, as the expected remaining time to the end of quarter is reduced. This effect has been ignored by the prior literature using standard hurdle count models. Data are from the German Socio-Economic Panel. Results show no statistically significant reduction in visits due to the reform.
Subjects: 
count data
Poisson process
co-payment
hurdle model
JEL: 
C25
I10
Document Type: 
Working Paper

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