Because of the global commons nature of climate change, international cooperation among nations will likely be necessary for meaningful action at the global level. At the same time, it will inevitably be up to the actions of sovereign nations to put in place policies that bring about meaningful...

A fundamental and highly relevant question for climate policy design is whether price controls, such as CO2 taxes, or quantity restrictions, such as emission quotas, should be preferred. This paper shows that as the reach of climate policies is limited either geographically or in terms of...