All Rights Reserved
AccessEcon LLC 2006, 2008.
Powered by MinhViet JSC


First Author:
 
Gabriel Caldas Montes
Fluminense Federal University and National Council for Scientific and Technological Development
gabrielmontesuff@yahoo.com.br
 
 
 
 

Second Author:

Tatiana Acar
Fluminense Federal University
tatiana.acar@gmail.com