If individuals own the right to take any action that they please, and are free to contract about behavior, will outcomes be efficient in all situations? That is, does the Coase theorem hold? We study this classic question through the lens of a non-cooperative model of contract negotiations,...

Casual observation suggests that people are more generous with their time than with their money. In this paper we present experimental evidence supporting the hypothesis. A third of our subjects demand no compensation for non-monetary investments, whereas almost all subjects demand compensation...

In a laboratory experiment, we create relationships between pairs of anonymous subjects through a Prisoners' dilemma game. Thereafter the same subjects play a private values (sealed-bid double auction) bargaining game with or without communication. Communication substantially increases...