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Luciana D. Costa
Universidade do Vale do Rio dos Sinos
 
Av. Nilo Pecanha, 1600
Porto Alegre, RS 91330002
Brazil
 
landradec@unisinos.br
 
http://www.unisinos.br
 
 
 
 
 
JEL Areas:
L : Industrial Organization
I : Health, Education, and Welfare