What is the impact of duplicate coverage on the demand for health care in Germany?

Mh Vargas and M Elhewaihi
Authors registered in the RePEc Author Service: Martin Harry Vargas Barrenechea ()

MPRA Paper from University Library of Munich, Germany

Abstract: Duplicate coverage involves those individuals who hold public health insurance, and purchase additional private coverage. Using data from the German Institute for Economic Research, we try to investigate the impact of duplicate coverage on the demand for healthcare (measured in number of visits to doctors). Given the simultaneity of the choices to take out additional private health insurance coverage, we estimate a negative binomial model to measure this impact. We also estimate a a Full Information Maximun Loglikelihood (FIML), known as Endogenous Switching Poisson Count Model and we compare these results with the standard maximum log likelihood (ML) estimators of the negative binomial model. The Results show that, there is a positive difference on the level of health services demanded when there is a duplicate coverage. We found also that there is evidence to think that in Germany there is a feedback between duplicate coverage and the demand of health services.

Keywords: Health care services demand; health insurance (search for similar items in EconPapers)
JEL-codes: I10 I11 (search for similar items in EconPapers)
Date: 2007-11-17
New Economics Papers: this item is included in nep-hea and nep-ias
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Related works:
Working Paper: What is the Impact of Duplicate Coverage on the Demand for Health Care in Germany? (2008)
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:6749

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