1. Amable, B. (2000). International specialisation and growth. Structural Change and Economic Dynamics, 11, 413–431.
2. Amendola, G., Guerrieri, P., & Padoan, P. C. (1992). International patterns of technological accumulation and trade. Journal of International and Comparative Economics, 1, 173–197.
3. Amighini, A., Leone, M., & Rabellotti, R. (2011). Persistence versus change in the international specialization pattern of Italy: how much does the ‘District Effect’ matter? Regional Studies, 45, 381–401.
4. Amiti, M. (1999). Specialization patterns in Europe. Weltwirtschaftliches Archiv, 135, 573–593.
5. Andersen, E. S., Dalum, B., & Villumsen, G. (1981). The importance of the home market for the technological development and the export specialization of manufacturing industry, IKE Seminar. Aalborg: Aalborg University Press.