Ongoing Melek Akin Ates Erasmus University Rotterdam Promotor: Prof. dr. Finn Wynstra, supervisor: Dr. Erik van Raaij Completed 2009
Katri Karjalainen. Challenges of purchasing centralization - empirical evidence from public procurement. Helsinki School of Economics Supervisor: Dr. Erik van Raaij
2007
Wendy van der Valk. Buyer-Seller Interaction Patterns During Ongoing Service Exchange. Erasmus University Rotterdam Promotor: Prof. dr. Finn Wynstra Marc Reunis. The effect of influence tactics on e-procurement adoption cognitions. Delft University of Technology Supervisor: Dr. Erik van Raaij