Publications

Van der Valk, W., & Wynstra, F. (2014). Variety in business-to-business services and buyer-supplier interaction: The case of cleaning services.International Journal of Operations & Production Management, 34(2), 195-220.

Van der Valk, W., & Wynstra, F. (2012). Buyer–supplier interaction in business-to-business services: A typology test using case research. Journal of Purchasing and Supply Management, 18(3), 137-147.

Forthcoming:

R. Sumo, W. Van der Valk, G. Duysters, and A. Van Weele (2012). Incomplete contracting in strategic alliances: The quest for innovation, Strategic Alliances for Innovation and R&D by T. K. Das (Ed.).