auction is beneficial to the buyer compared to no communication and ex-ante communication. In a setting where the buyer and …In procurement auctions, bidders are usually better informed about technical, financial, or legal aspects of the goods … and services procured. Therefore, the buyer may include a dialogue in the procurement procedure which enables the …

This paper studies the role of communication and reputation in market interactions using data from online procurement … auctions. Not only positive reputation ratings but also engaging in communication increases a bidder’s probability of winning … the auction. Messages are primarily used to reduce the asymmetric information associated with transactions …

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. Negotiation analyses show lower initial offers, negotiation-focused dialogue …

Does the type of post-auction feedback affect bidding behavior in first price auctions? Filiz-Ozbay and Ozbay (2007 …) find that such manipulation can increase bids in a one-shot auction. They explain this as an effect of anticipated regret … important market design issue using four different auction protocols and a large sample of subjects. We do not find any …