Recent discussions at the IMF and the G-20 on strengthening the international monetary system have emphasized, among other efforts, increasing the financial depth of emerging markets. Such deepening is widely believed to confer important stability benefits, helping countries limit swings in...

This paper explains how, in the context of incomplete coordination among all countries, unilateral policies that might at first sight seem pro-green could actually turn out to harm the global environment. The free-riding motives and the difficulty of reaching an effective international...