by a draw from an Ellsberg urn. In a within-subject experiment, subjects make decisions in three different bargaining … mechanisms: unstructured bargaining, the Texas shoot-out, and a K + 1 auction. We find that the K +1 auction is the most e¢ cient … mechanism, which is in line with theory. Free format bargaining yields a surprising number of disagreements, which are not …

This paper studies bargaining between a seller and a buyer with binary private valuation. Because the setting is more …