The international community's successful launch of the Aid for Trade (AFT) initiative at the 2005 Hong Kong Ministerial stands in contrast with the Doha Round's persistent stalemate. The AFT initiative's success largely reflected a convergence of views between the development and trade communities, the former accepting – after much controversy – the view that trade integration was in itself a vehicle for growth, and the latter realising that, for least developed countries in particular, trade-policy commitments required tailored assistance. It also marked a change of philosophy about where were the binding constraints to trade integration – with less emphasis on traditional trade barriers and more on physical constraints and infrastructure. This shifting paradigm reflected the influence of a stream of research starting with Limao and Venables (2000) that highlighted the importance of factors like landlockedness, transport costs and infrastructure in explaining trade performance.... Sommaire :Evaluation in Aid for Trade: Introduction to the Symposium (pages 511–515)Olivier Cadot and Jaime de Melo - Article first published online: 21 FEB 2014 | DOI: 10.1111/twec.12137Evaluating Aid for Trade: A Survey of Recent Studies (pages 516–529)Olivier Cadot, Ana Fernandes, Julien Gourdon, Aaditya Mattoo and Jaime de Melo - Article first published online: 15 APR 2014 | DOI: 10.1111/twec.12138Aid to the Services Sector: Does it Affect Manufacturing Exports? (pages 530–541)Esteban Ferro, Alberto Portugal-Perez and John S. Wilson - Article first published online: 8 MAR 2014 | DOI: 10.1111/twec.12151Aid for Trade: Do Those Countries that Need it, Get it? (pages 542–554)Elisa Gamberoni and Richard Newfarmer - Article first published online: 3 MAR 2014 | DOI: 10.1111/twec.12139Aid for Trade Effectiveness: Complementarities with Economic Integration (pages 555–566)Mariana Vijil - Article first published online: 6 FEB 2014 | DOI: 10.1111/twec.12140Protection and Performance (pages 567–578)Joseph Francois and Miriam Manchin - Article first published online: 15 FEB 2014 | DOI: 10.1111/twec.12141