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First Author:
 
Estela Sáenz
University of Zaragoza
essaenz@unizar.es
 
Department of Applied Economics, School of Economics, Gran Vía, 2
Zaragoza, 50005, Spain
 
0034 976762928(Phone)
0034 976762928(Fax)

Second Author:

María Dolores Gadea
University of Zaragoza
lgadea@unizar.es
 
School of Economics, School of Economics, Gran Vía, 2
Zaragoza, 50005, Spain
 
0034 976761842(Phone)
0034 976761840(Fax)

Third Author:

Marcela Sabaté
University of Zaragoza
msabate@unizar.es
 
Department of Applied Economics, School of Economics, Gran Vía, 2
Zaragoza, 50005, Spain
 
0034 978761848(Phone)
0034 976761840(Fax)