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| Bocar Samba Ba |
| Université Clermont Auvergne, CNRS, CERDI, F-63000 Clermont-Ferrand, France |
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| 29, rue de la Liève |
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| Clermont-Ferrand, Auvergne 63100 |
| France |
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| bocar_samba.ba@uca.fr |
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JEL Areas: Q5 : Environmental Economics: General H2 : Taxation, Subsidies, and Revenue: General |