This note corrects an error in the analysis of Goering/Boyce (1999) and extends their results. In this way, it refutes the claim that the durability of rented products plays a decisive role for the second-best emission taxation under imperfect competition.

This paper analyzes the incentive effects of pollution taxes versus pollution permits for a revenue maximizing Government that also pursues environmental objectives. In our model, pollution permits are analyzed as durable goods, and the leasing of pollution permits is seen as an equivalent to a...