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| Ousmane Djibo |
| Economics Department, Faculty of Economics and Management, Abdou Moumouni University of Niamey |
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| 2 Rue Bernard de Tréviers |
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| Montpellier, Montpellier 34000 |
| France |
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| ousmanedjibo@yahoo.fr |
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JEL Areas:
Q : Agricultural and Natural Resource Economics
D : Microeconomics |
