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First Author:
 
Sergio Da Silva
Department of Economics, Federal University of Santa Catarina
email@sergiodasilva.com
 
 
 
 

Second Author:

Paulo Ceretta
Department of Management, Federal University of Santa Maria
pauloceretta@hotmail.com
 
 
 
 

Third Author:

Silvia Nunes
Department of Economics, Amazon State University
silvianunes@hotmail.com
 
 
 
 

Fourth Author:

Newton Da Costa, Jr
Department of Economics, Federal University of Santa Catarina, Brazil
newton@cse.ufsc.br