Spatial dimension - WITCH: Difference between revisions

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Countries included within the model are grouped into 14 regions clustered by geography, income and the structure of energy demand. Regional disaggregation can be easily performed subject to the issue being tackled.
Countries included within the model are grouped into 17 regions clustered by geography, income and the structure of energy demand.  


[[File:35815545.png]]<br />'''Figure 1.1: Regions of the WITCH model (except that India and Indonesia are not detached from their former regions, sasia and easia, respectively).'''
The regional disaggregation is now flexible and the model can be run on different model configurations, typically from 5 to 17 regions, or more.


The 14 regions are:
[[File:WITCH default regional aggregation.png|600x600px]]<br />'''Figure 1.1: Regions of the WITCH model'''


{| class = "wikitable"
The 17 regions are:
 
{| class="wikitable"
! Region
! Region
! Countries
! Countries
|-
|-
|cajaz
|brazil
|Canada, Japan, New Zealand
|Brazil
|-
|canada
|Canada
|-
|-
|china
|china
|China, including Taiwan
|China, including Taiwan
|-
|-
|easia
|europe
|Europe
|-
|seasia
|South East Asia
|South East Asia
|-
|-
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|Indonesia
|Indonesia
|-
|-
|kosau
|jpnkor
|South Korea, South Africa, Australia
|Japan and South Korea
|-
|-
|laca
|laca
|Latin America, Mexico and Caribbean
|Latin America and the Caribbean
|-
|-
|mena
|mena
|Middle East and North Africa
|Middle East and North Africa
|-
|-
|neweuro
|mexico
|EU new countries + Switzerland + Norway
|Mexico
|-
|-
|oldeuro
|oceania
|EU old countries (EU-15)
|Australia and New Zealand
|-
|-
|sasia
|sasia
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|ssa
|ssa
|Sub Saharan Africa
|Sub Saharan Africa
|-
|southafrica
|South Africa
|-
|-
|te
|te

Latest revision as of 12:49, 3 March 2020

Model Documentation - WITCH

Corresponding documentation
Previous versions
Model information
Model link
Institution European Institute on Economics and the Environment (RFF-CMCC EIEE), Italy, http://www.eiee.org.
Solution concept General equilibrium (closed economy)
Solution method Optimization
Anticipation

Countries included within the model are grouped into 17 regions clustered by geography, income and the structure of energy demand.

The regional disaggregation is now flexible and the model can be run on different model configurations, typically from 5 to 17 regions, or more.

WITCH default regional aggregation.png
Figure 1.1: Regions of the WITCH model

The 17 regions are:

Region Countries
brazil Brazil
canada Canada
china China, including Taiwan
europe Europe
seasia South East Asia
india India
indonesia Indonesia
jpnkor Japan and South Korea
laca Latin America and the Caribbean
mena Middle East and North Africa
mexico Mexico
oceania Australia and New Zealand
sasia South Asia
ssa Sub Saharan Africa
southafrica South Africa
te Non-EU Eastern European countries, including Russia
usa United States of America

WITCH features any regional aggregations in the so-called coalitions. Some common coalitions are:

  • regional coalitions : each region is mapped to a coalition containing only this region.
  • world coalition : a coalition containing all the world regions.

Coalitions and regions interact with each others because of the presence of economic (technology, exhaustible natural resources) and environmental global externalities.

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