This paper contributes to the existing literature on rainfall variability and food security. It analyses the effect of rainfall variability on food security for 71 developing countries from 1960 to 2016. Results suggest that rainfall variability reduces food security in developing countries....

National early warning systems of Sahelian countries are mainly based on biophysics models to predict agricultural production shortages and prevent food crisis. The objective of this paper is to show that cereal market prices also bring useful information on future food availability that could...