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Contribution Details

Type Working Paper
Scope Discipline-based scholarship
Title An econometric model of health care demand with non-linear pricing
Organization Unit
  • Johannes Kunz
  • Rainer Winkelmann
  • English
Institution University of Zurich
Series Name Working paper series / Department of Economics
Number 204
ISSN 1664-7041
Number of Pages 23
Date 2015
Abstract Text From 2004 to 2012, the German social health insurance levied a co-payment for the first doctor visit in a calendar quarter. We develop a new model for estimating the effect of such a co-payment on the individual number of visits per quarter. The model allows for a one time increase in the otherwise constant hazard rate determining the timing of doctor visits, and uses a difference-in-differences strategy to identify the reform effect. The model can be adapted to a situation where the reporting period and the calendar quarter differ. Using data from the German Socio-Economic Panel, we do not find an effect of the co-payment on demand for doctor visits.
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Keywords Count data, Poisson process, co-payment, hurdle model, Lévy-Prozess, Lineares Regressionsmodell, Ärztliche Behandlung, Kostenverteilung