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| Paulo Sergio Ceretta |
| Federal University of Santa Maria |
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| Av. Roraima, 1000 |
| 4303 |
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| Santa Maria, RS 97105900 |
| Brasil |
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| ceretta10@gmail.com |
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| www.ufsm.edu.br |
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JEL Areas:
A2 : Economics Education and Teaching of Economics: General
I0 : Health, Education, and Welfare: General |
