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First Author:
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| Anita Alves Pena |
| Colorado State University |
| anita.pena@colostate.edu |
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| 1771 Campus Delivery, Department of Economics, Colorado State University |
| Fort Collins, 80523-1771, USA |
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| 970-491-0821(Phone) |
| 970-491-0821(Fax) |
| http://lamar.colostate.edu/~aalves |
Third Author:
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| Mimi Houston |
| Colorado State University |
| mmhouston88@gmail.com |
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| , USA |
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