The response of a monopolistic polluter to the imposition of an emission tax and its welfare implications are examined. The cases of output reduction as the sole means for pollution control and of additional means being feasible are considered. It turns out that in the second case the tax may...

H. Demsetz claimed that under certain conditions private firms can supply public goods efficiently. Recently, it was argued that the optimality of the Demsetz equilibrium is destroyed when consumers engage in fraudulent behavior. In this paper, fraudulence is explicitly introduced in the Demsetz...