Unternehmerische Persönlichkeit
eine theoretische Rekonstruktion und nominaldefinitorische KonturierungWuppertal : Bergische Univ. Wuppertal, 2008
Does inequality promote employment?
An international comparisonWuppertal : Bergische Univ. Wuppertal, 2013Central exit examinations increase performance ... but take the fun out of mathematics
Rev. version, Wuppertal : Bergische Univ. Wuppertal, 2008Extracurricular educational programs and school readiness
evidence from a quasi-experiment with preschool childrenWuppertal : Bergische Univ. Wuppertal, 2014Segregation in primary schools - do school districts really matter?
Evidence from policy reformsWuppertal : Bergische Univ. Wuppertal, 2011Price convergence in Euroland
evidence from micro data without noiseWuppertal : Bergische Univ. Wuppertal, 2013Productivity in German manufacturing firms
does fixed term employment matter?Wuppertal : Bergische Univ. Wuppertal, 2012Temporary agency work and firm competitiveness
evidence from a panel data set of German manufacturing enterprisesWuppertal : Bergische Univ. Wuppertal, 201199 entrepreneurship journals
a comparative empirical investigation of rankings, impact, and H/HC indexWuppertal : Bergische Univ. Wuppertal, 2012A bibliometric based review on social entrepreneurship and its establishment as a field of research
Wuppertal : Bergische Univ. Wuppertal, 2013