agricultural productivity in Sahel. I first estimate a Malmquist productivity index and its efficiency and technical change … constraining not only Sahel’s agricultural performance but also its economic growth. War also plays an equally detrimental role as … drought in explaining the causes of Sahel’s economic downturn. …

Drought is widespread in Sahel, and its persistent occurrence has caused substantial damages to the agricultural sector …. In this paper, I examine the economic impacts of drought on Sahel agriculture. The maximum likelihood estimators of the …