Christian Bogmans, Andrea Pescatori, Ervin Prifti, 05 June 2021

Global food security is being threatened by the COVID-19 pandemic and the restrictive measures to control it. Jammed food supply chains, falling incomes for some population segments, and rising food prices are placing food out of reach for millions of individuals. This column discusses the short-run relationship between food (in)security and income and food prices, and the implications of the current economic crisis for global hunger. The pandemic’s economic fallout risks setting us back a full decade on eliminating undernourishment, especially in low-income countries. Governments should strengthen social safety nets for the most vulnerable to keep inequality in check.

Jeremie Gross, Catherine Guirkinger, Jean-Philippe Platteau, 16 April 2020

For many regions around the world, geographic isolation is the primary cause of seasonal fluctuations in the price and availability of foodgrain. To activate the local food market, dampen such fluctuations, and improve people’s nutritional status, Burkina Faso’s Food Security Granaries programme set up village-level cooperatives and put them in charge of buying grain from outside sources and selling it locally. This column assesses the effects of the intervention and finds that market activation considerably reduced nutritional stress, especially among young children. The nutritional improvement is driven by a change in the timing of food purchase and hence, of consumption.

John Gibson, 01 September 2016

Different survey methodologies are typically employed to produce estimates of global hunger. This column considers some of the methodological issues that arise. Short reference periods for each household lead to overstated variances and the confounding of chronic and transient welfare components. The column goes on to present a new approach to measuring chronic hunger which tackles this sampling problem by employing an intra-year panel. 

Joachim De Weerdt, Kathleen Beegle, Jed Friedman, John Gibson, 18 February 2014

Whereas the Millennium Development Goal of reducing extreme poverty by half was achieved by 2010, the global hunger rate has only fallen by a third since 1990. Differences in survey design may account for part of this discrepancy. This column presents the results of a recent experiment in which households were randomly assigned to different survey designs. These different designs yield vastly different hunger estimates, ranging from 19% to 68% of the population being hungry.

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