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First Author:
 
Sergio Da Silva
Department of Economics, Federal University of Rio Grande Do Sul, and National Council for Scientific and Technological Development, Brazil
email@sergiodasilva.com
 
Department of Economics, Federal University of Rio Grande Do Sul, Av Joao Pessoa 52
Porto Alegre, 90040-000, Brazil
 
+ 55 51 3316 4164(Phone)
+ 55 51 3316 4164(Fax)

Second Author:

Guilherme Moura
Department of Economics, Federal University of Rio Grande Do Sul
guilherme@ppge.ufrgs.br
 
 
 
 

Third Author:

Sidney Caetano
Department of Economics, Federal University of Rio Grande Do Sul, and Federation of Trade Associations of Rio Grande Do Sul
sidneymc@ppge.ufrgs.br