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First Author:
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| Susan Schommer |
| Economics Institute - Federal University of Rio de Janeiro |
| susan.schommer@gmail.com |
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| Rio de Janeiro, 22290-902, Brazil |
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| 21965398680(Phone) |
| 21965398680(Fax) |
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Second Author:
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| Adilson de Oliveira |
| Economics Institute - Federal University of Rio de Janeiro |
| adilson@ie.ufrj.br |
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| , Brazil |
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Third Author:
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| Ledson L. G. da Rosa |
| Economics Institute - Federal University of Rio de Janeiro |
| ledson.rosa@ppge.ie.ufrj.br |
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