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This paper contributes to the understanding of the other neglected effects of trade openness by analysing how it affects life quality in sub-Saharan African countries over the period 2000–2016. We used two trade openness indicators, namely: Squalli and Wilson index and the rate of trade. The empirical evidence is based on a pooled mean group approach. With two panels differentiated by their colonial origin, the following findings are established: the trade openness variable measured by Squalli and Wilson index has no effect on life quality in the both groups of countries in the short-run. However, it has a positive and significant effect on life quality in the both group of countries in the long-run. The use of the rate of trade confirms the results in the both groups of countries in the long-run. The contribution of trade openness to life quality is 3.27 and 5.19 times higher in the Former British Colonies than that recorded in the Former French Colonies of SSA respectively to the use of Squalli and Wilson index and the rate of trade. Overall, we find strong evidence supporting the view that trade openness promotes life quality in SSA countries in the long run.

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Inflation is the main concern of developing Countries and particularly in Ivory Coast, a leading West Africa French speaking Country. The objective of this study is to make a comparative analysis of the effect of inflation on growth between Cameroon, a French speaking Central Africa Country where inflation is not a big concern and Ivory Coast. Using the Least Squares methodology, we find that inflation has no effect on economic growth in Cameroon during the study period. However, it has a negative and significant effect on economic growth in Ivory Coast. Also, the analysis of the causal relationship between inflation and economic growth using the Toda -Yamamoto framework and the Vector Autoregressive model show that there is a unidirectional causality from inflation to economic growth in Ivory Coast, while there is no causality between these variables in Cameroon.