A Consistent Food Demand Framework for International Food Security Assessment

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英文名称：

A Consistent Food Demand Framework for International Food Security Assessment

作者：

Birgit Meade; Stacey Rosen; John Beghin

工作单位：

USDA's Economic Research Service

来源地址：

https://www.ers.usda.gov/publications/pub-details/?pubid=47630

关键词：

International food security;  PIGLOG demand;  aggregation;  income inequality;  food prices;  shocks;  roots and tubers;  grain; 

年份：

2015

出版地：

Washington, DC, USA

总页数：

28 pp

语种：

English

摘要：

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.