A two-tier climate club exploits the comparative advantage of large countries to mete out punishments through trade, while taking their capacity to resist punishment as a constraint. Countries outside the coalition price carbon at a fixed fraction of the average carbon price adopted within the...

This paper examines the political economy aspects, particularly the influence of the Clean Development Mechanism, in clean energy and climate change policies in the states of Bahia and Rio Grande do Sul in Brazil. The different mechanisms for responding to climate change are financing...

We model countries' choice of greenhouse gas (GHG) emissions as a dynamic game. Emissions generate immediate benefits to the emitting country but also increase atmospheric GHG concentrations that negatively affect present and future welfare of all countries. Because there are no international...