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German time use evidence, 1996 - 2009Wuppertal : Bergische Univ. Wuppertal, 2013Who's your daddy?
intergenerational mobility in the U.S. financial industryWuppertal : Bergische Universität Wuppertal, [2020]Why powerful buyers finance suppliers’ R&D
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gender differences in job satisfaction of university graduatesWuppertal : Bergische Univ. Wuppertal, 2014Zu regional convergence in the Russian Federation
spatial and temporal dynamicsWuppertal : Bergische Universität Wuppertal, [September 2016]