Using US Census data for 1990-2000, we estimate effects of NAFTA on US wages. We look for effects of the agreement by industry and by geography, measuring each industry's vulnerability to Mexican imports, and each locality's dependance on vulnerable industries. We find evidence of both effects,...

Every experimentalist will sooner or later come across a situation in which results from initial baseline treatments conform nicely to the Nash equilibrium, but subsequent changes in parameters push the data in ways not predicted by Nash. This may happen when one begins by giving theory its best...