This paper discusses the problems involved in considering competition policy as a separate area of economic policy. Two problems are given special attention. The first is the doubtful efficiency gain from enforcing competitive conditions in one industry when other industries are not operating at...

The marginal cost of public funds is usually seen as a number greater than one, reflecting the efficiency cost of distortionary taxes. But economic intuition suggests that since green taxes are efficiency-enhancing the MCF with such taxes will be less than one. The paper demonstrates that this...