This study examines the welfare implications of border carbon adjustments (BCAs) in a globalized economy characterized by international trade and cross-border pollution (CBP). The model predicts that adopting BCAs is a weakly dominant strategy and global welfare is maximized when at least one...

It is well-known that the Pigouvian taxation scheme and emission trading scheme (delegating the emission pricing authority to the market mechanism) offer equivalent incentives to reduce emissions in various autarky settings. In contrast, we demonstrate that in a globalized economy with...