A Consistent Food Demand Framework for International Food Security Assessment

by Birgit Meade, Stacey Rosen, and John Beghin

A new approach to modeling food security incorporates price effects and variation in food quality across consumers with different income levels, with Tanzania and its main staple, corn, as an example. Errata: On November 13, 2015, in section "Calibration for Good i," the equation under step 2, found at the bottom of page 6, was corrected by dividing w_i by p_i.

Keywords: International food security, PIGLOG demand, aggregation, income inequality, food prices, shocks, roots and tubers, grain

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