We present a two-good, two-country overlapping generations model where emissions arise from production and each country has a domestic emission permit system. When one country unilaterally reduces her cap on emissions, her output available for domestic and foreign consumption diminishes more...

This article compares nationally optimal to internationally optimal (Pareto efficient) emission permit levels in a two-country overlapping generations model with national emission permit systems and the environment as a global public good. When each government maximizes its steady state economic...