This paper deals with the optimal behaviour of a single public firm in an oligopolistic market where there are also n private firms. The public firm aims at maximizing a social welfare function depending on producers' and consumers' surplus. In section 3 it is shown that there exists an optimal...

We consider a two-person Cournot game of voluntary contributions to a public good with identical individual preferences, and examine equilibrium aggregate welfare under a separable, symmetric and concave social welfare function. Assuming the public good is pure, Itaya, de Meza and Myles (Econ....