We show that it is beneficial for a buyer to conduct a multi-stage mechanism if bidders are loss averse. In a first step, we derive a revenue equivalence principle. Fixing the multi-stage structure, the revenue is independent of the chosen payment rule. Secondly, we introduce a simple two-stage...

We show that it is beneficial for a buyer to conduct a multi-stage mechanism if bidders are loss averse. In a first step, we derive a revenue equivalence principle. Fixing the multi-stage structure, the revenue is independent of the chosen payment rule. Secondly, we introduce a simple two-stage...

We investigate how buyer-supplier communication affects procurement prices, comparing auctions without direct communication to negotiations allowing it. In controlled experiments involving students and procurement professionals, we find communication increases prices, disadvantaging buyers....

This book presents criteria and recommendations for successful negotiations. The System of Negotiations, which was developed on a scientific basis for this purpose, clearly illustrates the most important steps, tools and applications. By using game theory and behavioral economics, the success of...

Procurement regulation aimed at curbing discrimination requires equal treatment of sellers. However, Deb and Pai (2017) show that such regulation imposes virtually no restrictions on the ability to discriminate. We propose a simple rule - imitation perfection - that restricts discrimination...

Problem Definition: We consider a buyer that needs to source a fixed quantity. She faces several potential suppliers that might fail to deliver. The buyer conducts a procurement auction to determine contract suppliers and can choose between single-sourcing and multi-sourcing. If contract...