
Making dough or baking dough?
Spousal housework responsibilities in Germany, 1992 - 2011Wuppertal : Bergische Univ. Wuppertal, 2014
Time to BRIC it?
Internationalization of European family firms in Europe, North America and the BRIC countriesWuppertal : Bergische Univ. Wuppertal, 2013
Who does the shopping?
German time use evidence, 1996 - 2009Wuppertal : Bergische Univ. Wuppertal, 2013


The innovation effect of the energy transition in Germany
an exploratory empirical analysis of firms and their innovation activitiesWuppertal, 2017

Specifying formatively measured constructs in endogenous positions in structural equation models
caveats and guidelines for researchersWuppertal : Bergische Univ. Wuppertal, 2014
Entrepreneurs embrace competition
evidence from a lab-in-the-field studyWuppertal : Bergische Universität Wuppertal, [2020]
