Rationality in agreement - a commentary on Gauthier's "Morals by Agreement", Gilbert Harman; rationality, value and preference, Kurt Baier; bargaining, justice and justification - toward reconstruction, James S.Fishkin; bargaining for justice, Russell Hardin; the Gauthier enterprise, James M.Buchanan; constained maximization and resolute choice, Edward F.McClennen; the relation between self-interest and contractarian ethics, Christopher W.Morris; rationality and affectivity - the metaphysics of the moral self, Laurence Thomas; morality, rational choice and semantic representation - a reply to my critics, David Gauthier