Dur andreas elsig manfred trade cooperation the purpose design and effects of preferential trade agreements book edited by andreas dur university of salzburg and manfred elsig wti. Preferential trade agreements ptas have been proliferating for more than two decades with the negotiations for a transatlantic trade and investment partnership and a trans pacific partnership being just the tip of the iceberg this volume addresses some of the most pressing issues related to the surge of these agreements it includes chapters written by leading political scientists . Trade cooperation the purpose design and effects of preferential trade agreements book from the world trade forum series edited by andreas dur and manfred elsig preferential trade agreements ptas have been proliferating for more than two decades with the negotiations for a transatlantic trade and investment partnership and a trans pacific partnership being just the tip of the iceberg. Preferential trade agreements ptas defined as agreements that liberalise trade between two or more countries but that do not extend this liberalisation to all countries or at least to a . Trade cooperation the purpose design and effects of preferential trade agreements world trade forum edited by andreas dur manfred elsig ggi cambridge university press contents list offigures page viii listoftables x list of contributors xii preface xxii list ofabbreviations xxiv 1 introduction the purpose design and effects of preferential trade agreements 1 andreas dur and manfred