The bargaining process is a critical part of the model. Due to the information asymmetry, we cannot use the simple surplus sharing solutions that are common in the search literature. Instead, we assume that the buyer has all the bargaining power and offers a general mechanism which the seller...

A buyer seeks to procure a service and solicits bids from sellers. The cost of the service depends on characteristics that are only known to the buyer ("common values"). The buyer can choose how many bids to solicit and the number of solicited bids cannot be disclosed verifiably. We characterize...

We analyze friendship formation patterns and develop a dynamic model of friendship formation that combines choices with random meeting patterns. We estimate biases in agents' preferences over the races of their friends and biases in the rates at which agents of various races meet each other. We...