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First Author:
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| Gemma Larramona |
| University of Pennsylvania |
| gemmalar@sas.upenn.edu |
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| University of Penn, Department of Economics, 3718 Locust Walk |
| Philadelphia, 19104, USA |
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| 1 215 573 1425(Phone) |
| 1 215 573 1425(Fax) |
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Second Author:
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| Josefina Cabeza |
| University of Zaragoza |
| jcabeza@unizar.es |
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| Departamento de analisis Economico, Facultad de Ciencias Economicas y Empresariales, Gran Via, 2 |
| Zaragoza, 50005, Spain |
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| 34976762212(Phone) |
| 34976761996(Fax) |
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Third Author:
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| Rosa Aisa |
| University of Zaragoza |
| raisa@unizar.es |
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| Departamento de Analisis Economico, Facultad de Ciancias Economicas y Empresariales, Gran Via, 2 |
| Zaragoza, 50005, Spain |
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| 34976762789(Phone) |
| 34976761996(Fax) |
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