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In a context marked by an increase in the adverse effects of climate change in Africa, this paper aims to analyze the effect of the size of the informal sector on vulnerability to climate change in 42 African countries from 1995 to 2017. The results obtained by the Random Effects (RE) method applied to panel data, show that the size of the informal sector increases the vulnerability to climate change (VCC) in African countries. Moreover, the effect of the informal sector on climate change vulnerability is weaker in English-speaking countries compared to French-, Portuguese- and Arabic-speaking countries. Robustness analyses using the Generalized System Moments (GSM) technique confirm the existence of a positive relationship between the size of the informal sector and the vulnerability of African countries to climate change. To this end, we recommend strengthening mechanisms to combat informal economic activities through the promotion of property rights, the fight against corruption and the implementation of climate change adaptation policies. JEL classification: O17; 013; Q53

This paper aims to provide a composite index of inclusive growth in 32 sub-Saharan African countries between 1995 and 2014 by taking into account the importance of the informal sector. Following the principal component analysis methods, we find specifically that except for countries such as Djibouti, Burkina Faso, Mauritius, Nigeria and Zimbabwe, inclusive growth has trended upward over the study period. This trend is non-linear and is characterized by two sub periods. From 1995 to 2005, the composite index of inclusive growth is essentially negative. On the other hand, positive growth in value is recorded over the second sub-period from 2005 to 2014. Overall and on average, these countries have experienced inclusive growth. Moreover, we also note that in countries such as Burkina Faso, Mauritius and Nigeria, on the side-lines of the informal sector inclusive growth has a negative trend. However, when we integrate the informal sector, the trend of inclusive growth changes sign and becomes positive.

This study investigates how the historical prevalence of infectious diseases influences vulnerability to climate change through institutional quality. The study uses ordinary least squares and two-stage least squares estimation techniques with data from 145 countries for the period 1990 to 2015. Our study shows that the historical prevalence of infectious diseases influences, directly and indirectly, vulnerability to climate change. First, the historical prevalence of infectious diseases increases vulnerability to climate change. Second, this increasing effect decreases with the protection against expropriation risks. Therefore, countries with a high prevalence of historical infectious diseases should strengthen the protection against expropriation risks to mitigate the historical roots of climate change vulnerability.JEL Classification : B15 ; Q54 ; Q58 ; I10