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First Author:
Claudio Lupi
ISAE - Institute for Studies and Economic Analyses
ISAE - Istituto di Studi e Analisi Economica, Piazza dell'Indipendenza, 4
Roma, I-00185, Italy
+39 06 44482337(Phone)
+39 06 44482337(Fax)

Second Author:

Patrizia Ordine
University of Calabria, Dept. of Economics & Statistics