James Fenske, 09 November 2013

Several theories link polygamy to poverty. Polygamy is concentrated in west Africa and has declined in recent decades. Geographic variation in women’s agricultural productivity does not predict differences in the prevalence of polygamy, but historical inequality and exposure to the slave trade do. Although contemporary female education does not reduce polygamy, areas with more educational investment in the past have less polygamy today. Conflict and lower rainfall lead to small increases in polygamy, whereas lower child mortality leads to a large decrease. National policies appear to have little effect.

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