Colonial Origins of Fertility Behaviors: Evidence on the Role of Forced Labor Migration in Burkina Faso
Speaker(s)Pauline Rossi (École Polytechnique-CREST, France)
LocationErasmus University Rotterdam, Campus Woudestein, Mandeville T3-06
Date and time
September 29, 2022
12:00 - 13:00
What is the long-term impact of forced labor migration in colonial times on fertility preferences and behaviors in Africa? We study the case of Burkina Faso, the largest labor reservoir in French West Africa according to colonizers, who sent hundreds of thousands of young men to work in neighboring colonies for one to two years. Circular labor migration persisted after forced labor was replaced with voluntary wage employment: Burkina Faso is still characterized by large temporary migration flows to Cote d'Ivoire. We exploit the historical, temporary partition of colonial Burkina Faso (and, more specifically, the historical land of the Mossi ethnic group) into three zones with different needs for labor as a spatial regression discontinuity design. We find that, on the side of the border where Mossi villages were more exposed to forced labor, there is more male migration, lower realized and desired fertility, and less polygamy today. As these villages are not richer, these long-term effects cannot be explained by an income effect. Rather, they are consistent with the view that paid work opportunities outside the village disrupted traditional societies. Specifically, wage employment opportunities for adult men outside the sphere controlled by village elders reduced inequalities between men and the needs for child labor. These findings contribute to the debate on the origins of family institutions and preferences, often mentioned to explain West Africa's exceptional fertility trends, showing that social norms on family formation can change if modes of production change.
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