International organizations use a bewildering variety of voting rules — with different thresholds, weighting systems, veto points, and other rules that distribute influence unequally among participants. We provide a brief survey of the major voting systems, and show that all are controversial...

The macroeconomic policies of states can produce significant costs and benefits for other states, yet international macroeconomic cooperation has been one of the weakest areas of international law. We ask why states have had such trouble cooperating over macroeconomic issues, when they have been...