We analyze multi-attribute procurement auctions with risk-averse suppliers. As the number of suppliers increases or the suppliers become more risk-averse, the equilibrium bidding price decreases under the first-score auction but remains the same under the second-score auction. A buyer prefers...

This paper studies communication and reputation in market interactions using data from online procurement auctions. Positive reputation ratings and engaging in communication increase a bidder’s probability of winning. Messages are primarily used to reduce the asymmetric information associated...