Adolfo Maza University of Cantabria   Avda. Los Castros s/n Santander, Cantabria 39005 Spain   adolfo.maza@unican.es     Biographical Sketch: Ph.D. in Economics, University of Cantabria, Spain. 2002. Associate Professor of Economics at University of Cantabria (Spain). I have published almost 30 academic papers in both leading Spanish and foreign economic journals (Applied Economics, Applied Economic Letters, Annals of Regional Science, Review of Regional Studies and Journal of Policy Modeling, among others). I have also published a recent book about the regional convergence process in Spain. My last two papers are “An analysis of wage flexibility: Evidence from the Spanish regions”, Annals of Regional Science, 2006, 40(3), pp. 621-637, and “A state-space approach to the analysis of economic shocks in Spain”, Journal of Policy Modeling, 2007, 29, 55-63.   Primary Research Focus: My areas of specialization are regional economic, economic integration and labour markets.   JEL Areas: R0 : Urban, Rural, and Regional Economics: General J0 : Labor and Demographic Economics: General