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Political Science > Agriculture & Food Policy

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Cover IMF Working Papers
How do Economic Growth and Food Inflation Affect Food Insecurity?
Christian Bogmans
,
Andrea Pescatori
, and
Ervin Prifti
During the global recession of 2020 food insecurity increased substantially in many countries around the world. Fortunately, the surge in food insecurity quickly came to a halt as the world economy returned to its positive growth path, despite double-digit domestic food inflation in most countries. To shed light on the relative importance of income growth and food inflation in driving food insecurity, we employ a heterogeneous-agent model with income inequality, complemented by novel cross-country data for the period 2001-2021. We use external instruments (changes in commodity terms-of-trade, external economic growth, and harvest shocks) to isolate exogenous variation in domestic income growth and ood inflation. Our findings suggest that income growth is the dominant driver of annual variations in food insecurity, while food price inflation plays a somewhat smaller role, aligning with our model predictions.
Keywords:
Food insecurity; inclusive growth; food inflation; inequality; diet.; food inflation affect food insecurity; food price inflation; affect food insecurity; income growth; Food security; Income; Food prices; Inflation; Price elasticity; Global
Cover IMF Working Papers
Coping with Climate Shocks: Food Security in a Spatial Framework
Diogo Baptista
,
John A Spray
, and
Ms. Filiz D Unsal
We develop a quantitative spatial general equilibrium model with heterogeneous house-holds and multiple locations to study households’ vulnerability to food insecurity from cli-mate shocks. In the model, households endogenously respond to negative climate shocks by drawing-down assets, importing food and temporarily migrating to earn additional income to ensure sufficient calories. Because these coping strategies are most effective when trade and migration costs are low, remote households are more vulnerable to climate shocks. Food insecure households are also more vulnerable, as their proximity to a subsistence requirement causes them to hold a smaller capital buffer and more aggressively dissave in response to shocks, at the expense of future consumption. We calibrate the model to 51 districts in Nepal and estimate the impact of historical climate shocks on food consumption and welfare. We estimate that, on an annual basis, floods, landslides, droughts and storms combined generated GDP losses of 2.3 percent, welfare losses of 3.3 percent for the average household and increased the rate of undernourishment by 2.8 percent. Undernourished households experience roughly 50 percent larger welfare losses and those in remote locations suffer welfare losses that are roughly two times larger than in less remote locations (5.9 vs 2.9 percent). In counterfactual simulations, we show the role of better access to migration and trade in building resilience to climate shocks.
Keywords:
Agriculture; Food Security; Trade, Migration; Climate change; Climate shocks; welfare loss; food consumption; migration cost; loss from climate; losses from climate change; Consumption; Migration; Income; Global
Cover Selected Issues Papers
Economic Effects of Climate Change and Food Insecurity in Niger: Niger
Diogo Miguel Salgado Baptista
,
Yoro Diallo
, and
Mr. Arsene Kaho
Niger’s exposure to recurrent shocks, including climate shocks, increases its vulnerability to food insecurity. This paper aims to quantify the combined effects of climate shocks and food insecurity on key economic variables and identify the most effective mitigation policy responses using a general equilibrium model. Results indicate that rural households would be the most affected by a climate shock resulting in a decline in domestic agricultural production, which would reduce their consumption, erode their capital, and thus increase urban-rural inequalities. Simulations show that cash transfers and the reduction of internal mobility costs appear to be more effective in mitigating the impact on households of a climate shock on agricultural production.
Keywords:
Climate Change; Food Insecurity; General Equilibrium Model; Niger; Niger's exposure; mitigation policy response; cash transfer; food goods; equilibrium goods price; utility function; factory gate; consumption requirement; food consumption; consumption bundle Cit; calorie consumption kcalit; iceberg trade cost; cost imports; Consumption; Food security; Income; Sub-Saharan Africa; Global
Cover IMF Working Papers
Income Versus Prices: How Does The Business Cycle Affect Food (In)-Security?
Mr. Christian Bogmans
,
Mr. Andrea Pescatori
, and
Ervin Prifti
We study how two aspects of food insecurity - caloric insufficiency and diet composition - are affected by aggregate economic fluctuations. The use of cross-country panel data allows us to adopt a global prospective on the identification of the macroeconomic determinants of food insecurity. Income shocks are the most relevant driver of food insecurity, displaying high elasticities at the early stages of economic development. The role of food price shocks is more limited. Social protection has a direct effect and mitigates the impact of income shocks. Effects are highly heterogeneous across a range of structural characteristics of the economy, highlighting the role of distributional aspects and of food import dependency.
Keywords:
Food insecurity; growth; food prices; social protection; diet and health; food inflation; income elasticity; FD estimate; elasticity of undernourishment; coefficient estimate; rising prices; least squares; coefficient estimates of the interaction terms; inflation elasticity; ln GDP pc; income share; descriptive statistics; Food security; Income; Inflation; Purchasing power; Global; South Asia