Article (Scientific journals)
Clusters in weighted macroeconomic networks: the EU case. Introducing the overlapping index of GDP/capita fluctuation correlations
Gligor, M.; Ausloos, Marcel
2008In European Physical Journal B -- Condensed Matter, 63 (4), p. 533-539
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Abstract :
[en] GDP/capita correlations are investigated in various time windows (TW), for the time interval 1990-2005. The target group of countries is the set of 25 EU members, 15 till 2004 plus the 10 countries which joined EU later on. The TW-means of the statistical correlation coefficients are taken as the weights (links) of a fully connected network having the countries as nodes. Thereafter we de. ne and introduce the overlapping index of weighted network nodes. A cluster structure of EU countries is derived from the statistically relevant eigenvalues and eigenvectors of the adjacency matrix. This may be considered to yield some information about the structure, stability and evolution of the EU country clusters in a macroeconomic sense.
Disciplines :
Physics
International economics
Author, co-author :
Gligor, M.
Ausloos, Marcel ;  Université de Liège - ULiège > Département de physique > Département de physique
Language :
English
Title :
Clusters in weighted macroeconomic networks: the EU case. Introducing the overlapping index of GDP/capita fluctuation correlations
Publication date :
2008
Journal title :
European Physical Journal B -- Condensed Matter
ISSN :
1434-6028
eISSN :
1434-6036
Publisher :
Springer Science & Business Media B.V., New York, United States - New York
Volume :
63
Issue :
4
Pages :
533-539
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 September 2012

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