Who Bears the Burden of Social Security Contributions in Germany? Evidence from 35 Years of Administrative Data
Kai-Uwe Müller () and
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Kai-Uwe Müller: DIW Berlin
De Economist, 2017, vol. 165, issue 2, 165-179
Abstract This paper provides evidence on the question of who bears the burden of social security contributions (SSC) in Germany over a long-term horizon. Following Alvaredo et al. (De Econ, 2017) we exploit kinks in the budget set generated by a drop in the marginal SSC rate at earnings caps for health and long-term care insurance. These concave kinks lead to discontinuities in the distributions of gross earnings, net earnings, or labor costs which—in the absence of labor supply responses—are informative about economic incidence. Administrative data for West Germany from 1975 to 2010 facilitate a comprehensive incidence analysis. Finding no evidence for labor supply responses and no significant discontinuities in gross earnings distributions, we conclude that neither employers nor employees shift a substantial part of their SSC burden. These results are consistent over the whole time period and hold for several robustness checks corroborating previous findings for Germany. A small trend towards a slight increase in the SSC burden for employees is not statistically significant.
Keywords: Incidence; Social security contributions; Discontinuities (search for similar items in EconPapers)
JEL-codes: H22 J38 H55 (search for similar items in EconPapers)
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