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GTAP Resource #923

"GTAP-E: An Energy-Environmental Version of the GTAP Model"
by Burniaux, Jean-Marc and Truong Truong

Energy is an important commodity in many economic activities. Its usage affects the environment via CO2 emissions and the Greenhouse Effect. Modeling the energy-economy-environment-trade linkages is an important objective in applied economic policy analysis. Previously, however, the modeling of these linkages in GTAP has been incomplete. This is because energy substitution, a key factor in this chain of linkages, is absent from the standard model specification. This technical paper remedies this deficiency by incorporating energy substitution into the standard GTAP model. It begins by first reviewing some of the existing approaches to this problem in contemporary CGE models. It then suggests an approach for GTAP which incorporates some of these desirable features of energy substitution. The approach is implemented as an extended version of the GTAP model called GTAP-E, which includes the standard GTAP model as a special case. In addition, GTAP-E incorporates carbon emissions from the combustion of fossil fuels and this revised version of GTAP-E provides for a mechanism to trade these emissions internationally. The resulting behavior of agents in the model is analyzed using general equilibrium demand elasticities which summarize the combined effect of the new model specification. Implications for policy analysis are demonstrated via a simple simulation experiment in which global carbon emissions are reduced via a carbon tax. Results show that incorporating energy substitution into GTAP is essential for conducting analysis of this problem. The policy relevance of GTAP-E in the context of the existing debate about climate change is illustrated by some simulations of the implementation of the Kyoto Protocol. It is hoped that the proposed model will be used by individuals in the GTAP network who may not be themselves energy modelers, but who require a better representation of the energy-economy linkages than is currently offered in the standard GTAP model.

Resource Details (Export Citation) GTAP Keywords
Category: Technical Paper
Status: Published
By/In: GTAP Technical Paper No. 16
Date: 2002
Version: 2
Created: Bacou, M. (2/8/2002)
Updated: Batta, G. (11/5/2012)
Visits: 39,231
No keywords have been specified.

If you have trouble accessing any of the attachments below due to disability, please contact the authors listed above.

Public Access
  File format Application package (February 23, 2006)   (5.4 MB)   Replicated: 0 time(s)
  File format Associated version archive (2002)  (4.1 MB)   Replicated: 0 time(s)
  File format GTAP-E debugged (Oct 2005)  (2.6 MB)   Replicated: 0 time(s)
  File format Tech Paper No. 16   (554.9 KB)   Replicated: 0 time(s)

Restricted Access
No documents have been attached.

Special Instructions
Please also see: "GTAP-E: A Revised Energy-Environmental Version of the GTAP Model"

The zip file attached is a RunGTAP archive. To install:

1. Copy the zip file into a folder
2. Open RunGTAP
3. Select File | Version Archive | Load ZIP
6. Select zip file
7. Choose version name and Click "ok"
8. Click "OK".
In the top blue line of RunGTAP (above the menu) you should see the following:
"RunGTAP: "Version name"/"experiment loaded".
Make sure that "Version name" is the name you specified.

Comments (2 posted)
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Posted by: Aguiar, Angel   3/23/2015 9:19:00 AM
The GTAP-E Flexagg Data Base Package for version 8 has 2004 and 2007 and is available free of charge to the GTAP data base subscribers. Details and order form available at:

Posted by: Nejati, Mehdi   12/30/2015 1:01:00 AM
Dear Authors,
I am very thankful if you send me cmf file of GTAP-E model
thank you,