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| Julio Ruiz Claeyssen |
| Federal University of Rio Grande do Sul (UFRGS) |
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| UFRGS - Instituto de Matemática |
| Av. Bento Gonçalves, 9500 - Agronomia |
| Sala B111 |
| Porto Alegre, RS 91509-900 |
| Brazil |
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| jcrclaeyssen@yahoo.com |
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| http://www.mat.ufrgs.br/~julio |
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JEL Areas:
R1 : General Regional Economics (includes Regional Data)
O1 : Economic Development: General |
