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GTAP Resources: Resource Display

GTAP Resource #6381

"Tracking calories in CGE models: from fork to farm"
by Sands, Ronald


Abstract
A major challenge for global economic modelers is matching monetary flows in the benchmark social accounting matrix (SAM) with quantity flows: energy (joules), agricultural commodities (calories), or land (hectares). For questions related to world food demand and food security, it is necessary to match flows of agricultural commodities, in physical units, to corresponding monetary flows. This paper describes a methodology developed for the Future Agricultural Resources Model (FARM), a global computable general equilibrium (CGE) model. We apply the methodology to three diet scenarios, with a demand-driven analysis of the implied demand for crops in each scenario. The range of demand for world crop calories is wider than the range of demand for food calories in any given year. With an income-driven diet, and population growth based on United Nations medium projections, the world demand for crop calories increases by 48 percent from 2010 to 2050.


Resource Details (Export Citation) GTAP Keywords
Category: 2021 Conference Paper
Status: Not published
By/In: Presented during the 24th Annual Conference on Global Economic Analysis (Virtual Conference)
Date: 2020
Version: 8
Created: Sands, R. (4/15/2021)
Updated: Sands, R. (5/29/2021)
Visits: 464
- Baseline development
- Dynamic modeling
- Land use
- Food prices and food security


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