I review the empirical comparative law literature with an emphasis on quantitative work. After situating the field and surveying its main applications to date, I turn to methodological issues. I discuss at length the obstacles to causal inference from comparative data, and caution against...

It is generally assumed that trade retaliation under the WTO performs some kind of `rebalancing` by allowing the injured Member to suspend `concessions and obligations` vis-agrave;-vis the violating Member of a level equivalent to the level of `nullification and impairment` suffered by the...