Abhay Sagar, Alex Collins, Henry Liu
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World Trade Web
(http://privatewww.essex.ac.uk/~ksg/exptra
degdp.html)
Import and export numbers
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1980-2000
196 countries
(184 actual countries)
Density = 0.55
Problems with data
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Thresholding
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Power Law Degree Distribution
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NAFTA (North American Free Trade Agreement)
ASEAN (Associations of SouthEast Asian Nations)
CAIS (Central American Integration System)
ACU (Arab Customs Union)
ACN (Andean Community of Nations)
CC (Caribbean Community)
ECCAS (Economic Community of Central African States)
ECA (East African Community)
ECC (Eurasian Economic Community)
CCASG (Cooperation Council for Arab States of the Gulf)
MERCOSUR (Southern Common Market)
SACU (Southern African Customs Union)
ECWAS (Economic Community of West African States)
EU (European Union)
ACNMERCOSUR (Andean Community of Nations – Cooperation
Agreement with MERCOSUR)
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Covariates
Import and Export GDP
 Import and Export GDP per capita
 Import and Export GDPppp
 Import and Export Region
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Jeff – Bipartite Graphs
Dan and Mark – ERGMs
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RTAs affect trade noticeably
Cohesiveness and effectiveness of RTAs still a
mystery
Further exploration:
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Community detection
Different thresholding
RTA analysis over time