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GTAP Resource #4140

"Developing a Multi-region Input-Output Framework from GTAP for Analyzing the Vulnerability of the Asia-Pacific Supply Chain to Natural Disasters"
by Hertel, Thomas, David Hummels and Terrie Walmsley

With the global economy increasingly inter-connected through international trade in intermediate inputs as well as consumer goods, the demand for analytical tools which trace out the implications of these linkages has grown exponentially. These have included studies of international supply chains (Koopman et al.), virtual water trade (Konar et al.) and GHG emissions associated with global trade flows (Peters et al). All of these studies share a common need for a global data base which traces out these trade flows between sectors and between producers and consumers of final goods and services. In short, they all share a common need for a multi-region, input-ouput (MRIO) data base. In response to these demands, several projects have been formed with the goal of producing new MRIO data bases, including EXIPOL, WIOD ( and EORA. For the most part these are one-off efforts for which there is not currently funding available for future updates.

An alternative source of global economic data suitable for MRIO-type analysis is the GTAP data base (Narayanan, Aguiar and McDougall, 2012), currently celebrating its 20th birthday, having accomplished 8 successive major releases. While the GTAP data base is most commonly used as the foundation for global Computable General Equilibrium (CGE) models, at its core, it is very similar to an MRIO data base. However, rather than tracing bilateral trade flows to individual sectors, the GTAP data base aggregates these flows at the border, thereby reducing its dimensions. On the other hand, in contrast to the MRIO data bases, GTAP has extensive policy detail. It also has more complete coverage than the MRIO data bases, as its goal is to fully exhaust global economic activity. In short, it would appear that the MRIO community could benefit from cross-fertilization with the GTAP network, and vice versa. This paper will facilitate such cross-fertilization by taking the import...

Resource Details (Export Citation) GTAP Keywords
Category: 2013 Conference Paper
Status: Published
By/In: Presented at the 16th Annual Conference on Global Economic Analysis, Shanghai, China
Date: 2013
Created: Hertel, T. (4/14/2013)
Updated: Hertel, T. (4/14/2013)
Visits: 4,448
- Economic crisis
- Other data bases and data issues
- The GTAP Data Base and extensions
- Asia (East)
- Asia (South-Central)
- Asia (Southeast)

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