Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/21173
Authors: 
Winkelmann, Rainer
Year of Publication: 
2001
Series/Report no.: 
IZA Discussion paper series 317
Abstract: 
The paper evaluates the German health care reform of 1997, using the individual number of doctor visits as outcome measure. A new econometric model, the Probit-Poisson-log-normal model with correlated errors, describes the data better than existing count data models. Moreover, it has an attractive structural interpretation, as it allows the reforms to have a different effect at different parts of the distribution. The overall effect of the reform was a 10 percent reduction in the number of doctor visits. The effect was much larger in the lower part of the distribution than in the upper part.
Subjects: 
Co-payment
moral hazard
count data
probit-Poisson-log-normal model
JEL: 
I18
C25
I11
Document Type: 
Working Paper

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