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First Author:
 
Marcelo de C. Griebeler
Federal University of Rio Grande do Sul
marcelo.griebeler@ufrgs.br
 
Av. João Pessoa 52, sala 18D
Porto Alegre, 90040000, Brazil
 
55 51 33083332(Phone)
55 51 33083332(Fax)
https://sites.google.com/site/marcelodecgriebeler/home

Second Author:

Guilherme Stein
Foundation of Economic and Statistics
guilherme.stein@fee.tche.br
 
Porto Alegre, 90010281, Brazil
 
 
 
https://sites.google.com/site/steinguilherme/