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Productivity convergence in the European regions, 1980 - 2003 : a sectoral and spatial approach
Villaverde, José, (2008)
Regional disparities in the EU : mobility and polarization
Maza, Adolfo, (2004)
The robustness of Okun's law in Spain : 1980 -2004 ; regional evidence
Villaverde, José, (2009)