Jan Hendrik Schumann 
The Impact of Culture on Relationship Marketing in International Services [PDF ebook] 
A Target Group-Specific Analysis in the Context of Banking Services

Relationship Marketing in International Services: State of the Art.- Culture Analysis in Cross-Cultural Research.- Research Models and Hypotheses.- Empirical Analysis.- Discussion of the Empirical Findings.- General Reflections and Directions for Future Research.

Dr. Jan H. Schumann obtained his doctorate with Prof. Dr. Florian v. Wangenheim at the Technische Universität München.