Research Article
Grey Weighted Sum Model for Evaluating Business Environment in West Africa
Table 6
Period sensitivity on rankings.
| Countries/period | 2008–2015 | 2010–2015 | 2012–2015 |
| Benin | 12 | 12 | 12 | Burkina Faso | 15 | 10 | 7 | Cameroon | 11 | 15 | 11 | Cape Verde | 3 | 1 | 1 | Chad | 16 | 19 | 19 | Côte d’Ivoire | 10 | 14 | 15 | Equatorial Guinea | 4 | 5 | 6 | The Gambia | 1 | 2 | 2 | Ghana | 2 | 3 | 9 | Guinea | 7 | 9 | 10 | Guinea-Bissau | 17 | 17 | 17 | Liberia | 13 | 4 | 4 | Mali | 6 | 7 | 3 | Mauritania | 8 | 6 | 5 | Niger | 5 | 13 | 16 | Nigeria | 18 | 18 | 18 | Senegal | 14 | 8 | 8 | Sierra Leone | 19 | 16 | 13 | Togo | 9 | 11 | 14 |
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