The United States will play a crucial role in global climate protection in what has been called the "super election year" of 2024. After three-and-a-half years of having scored huge successes in climate protection, President Joe Biden could be succeeded by Donald Trump in January 2025, according...

The United States has pledged to become carbon neutral by 2050, meet sectoral objectives (e.g., for carbon free power, electric vehicles) and encourage greater mitigation among large emitting countries and of international transportation emissions. Fiscal policies at the national, sectoral, and...

In this paper we argue that when a subgroup of countries cooperate on emission reduction, the optimal response of non-signatory countries reflects the interaction between three potentially opposing factors, the incentive to free-ride on the benefits of cooperation, the incentive to expand the...