Examines preferential trade agreements and the various dysfunctions that place them among the priority items for negotiation by the WTO.This volume assembles a group of experts to examine preferential trade agreements (PTAs). It presents a discussion of the evolving economic analysis regarding PTAs and the various dysfunctions that continually place them among the priority items for negotiation by the WTO.This volume assembles a group of experts to examine preferential trade agreements (PTAs). It presents a discussion of the evolving economic analysis regarding PTAs and the various dysfunctions that continually place them among the priority items for negotiation by the WTO.This volume assembles a stellar group of scholars and experts to examine preferential trade agreements (PTAs), a topic that has time and again attracted the interest of analysts. It presents a discussion of the evolving economic analysis regarding PTAs and the various dysfunctions that continually place them among the priority items for (re)negotiation by the WTO. The book explores recent empirical research that casts doubt on the old trade diversion school and debates why the WTO should deal with PTAs and if PTAs belong under the mandate of the WTO as we now know it.1. Preferential trading agreements: friend or foe? L. Alan Winters; 2. The legalization of GATT Article XXIV - can foes become friends? James H. Mathis; 3. Third country effects of regional trade agreements Caroline Freund; 4. Contingent protection rules in regional trade agreements Thomas J. Prusa and Robert Teh; 5. Commentary on Prusa/Teh, contingent protection rules in regional trade agreements David A. Gantz; 6. The limits of PTAs: WTO legal restrictions on the use of WTO-plus standards regulation in PTAs Joel P. Trachtman; 7. Beyond the WTO? an anatomy of EU and US preferential trade agreements Henrik Horn, Petros C. Mavroidis and Andr? Sapir; 8. Straightening the spaghetti bowl Gary N. Horlick; 9. Comments on 'Beyond the WTO? lc'