It is shown that when some countries take unilateral steps towards solving environmental problems, efficiency in the global economy will be enhanced by implementing trade provisions along with domestic environmental regulations.

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...

Discussion of the marginal cost of public funds with distortionary taxation are often cast in the framework of a one-consumer economy, while the main justification of distortionay taxes is that they are needed for distribution. This paper analyzes the issue in a model with heterogeneous...