Dynamic PEATSim Model Documenting Its Use in Analyzing Global Commodity Markets
by Agapi Somwaru and Steve Dirkse
Technical Bulletin No. (TB-1933) 48 pp, July 2012
This report documents the updated version of the Partial Equilibrium Agricultural
Trade Simulation (PEATSim) model developed by USDA’s Economic Research Service.
PEATSim is a global model, covering 31 commodities and 27 countries/regions. The
model, consistent with economic theory, provides a flexible country and commodity
aggregation and accounts for cross-commodity linkages and interactions. The report
includes a presentation and discussion of the structure and specific features of the
revamped model, along with the theoretical underpinnings. It also documents an application
of the model to illustrate its dynamic structure and to demonstrate the differential
Keywords: Partial equilibrium, dynamic, trade, multi-commodity markets, agriculture, global model
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