the policies they can pursue are constrained by the identity of the coalition members. In the model, a formateur picks a … coalition and negotiates for the allocation of the surplus it is expected to generate. The formateur is free to change … generalized version of a Nash Bargaining Solution in which --in contrast to the standard solution-- the coalition is endogenous …

The extent of voluntary cooperation in the presence of externalities is shown as an equilibrium outcome in the supply … character of the costs resulting from externalities. The paper discusses applications including forest management, volume …

commit to contracts, virus externalities are local, and competitive equilibria are efficient. The Second Welfare Theorem also … their infection status. If society cannot control virus exposure, then virus externalities are global and competitive … externalities and result in inefficiently high economic activity. If agents cannot commit, competitive equilibria are inefficient …