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