1. Alberola, E. (2000). Interpreting inflation differentials in the euro area. Economic Bulletin, Banco de Espana, April, 61–70.
2. Alberola, E., & Marques, J. M. (1999). On the relevance and nature of regional inflation differentials: The case of Spain. Banco de Espana Working Paper No. 9913.
3. Amsler, C., & Lee, J. (1995). An LM test for a unit root in the presence of a structural change. Econometric Theory, 11(2), 359–368.
4. Angeloni, I., & Dedola, L. (1999). From the ERM to the euro: new evidence on economic and policy convergence among EU countries, Working Paper No. 4, European Central Bank.
5. Arghyrou, M. G., Gregoriou, A., & Kantonikas, A. (2009). Do real interest rates converge? Evidence from the European Union. Journal of International Financial Markets, Institutions and Money, 19(3), 447–460.