In the wake of 25 UN Climate Change Conferences of the Parties (and counting), international cooperation on mitigating greenhouse gas emissions to avoid substantial and potentially irreversible climate change remains an important challenge. The limited impact that the Kyoto Protocol and its...

This paper introduces preliminary evidence from a cross-country database of policy characteristics and potential uses of that database. While most databases have emphasized either the content of policies (e.g., size of government deficits) or countries&' formal institutions (e.g., political...