Beleaguered by mutual recrimination between rich and poor countries, squeezed by the zero-sum arithmetic of a shrinking global carbon budget, and overtaken by shifts in economic and hence bargaining power between these countries, international cooperation on climate change has floundered. Given...

It is common practice in empirical development macroeconomics to use cross-country samples for econometric analyses. One issue that is rarely addressed in this literature is the appropriateness of pooling when panels are used. In particular, does it matter to the results if the countries exhibit...