Households in the west African semi-arid tropics, as in much of the developing world, face substantial risk --an inevitable consequence of engaging in rainfed agriculture in a drought-prone environment. It has long been hypothesized that these households keep livestock as a buffer stock to insulate their consumption from fluctuations in income. This paper has the simple goal of testing that hypothesis. Our results indicate that livestock transactions play less of a consumption smoothing role

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... n is often assumed. Livestock sales compensate for at most thirty percent, and probably closer to twenty percent of income shortfalls due to village-level shocks alone. We discuss possible explanations for these results and suggest directions for future work.