Reference : Clusters in weighted macroeconomic networks: the EU case. Introducing the overlapping in...
Scientific journals : Article
Business & economic sciences : International economics
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/131151
Clusters in weighted macroeconomic networks: the EU case. Introducing the overlapping index of GDP/capita fluctuation correlations
English
Gligor, M. [> > > >]
Ausloos, Marcel mailto [Université de Liège - ULg > Département de physique > Département de physique > >]
2008
European Physical Journal B -- Condensed Matter
Springer Science & Business Media B.V.
63
4
533-539
Yes (verified by ORBi)
International
1434-6028
New York
NY
[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.
Researchers ; Professionals
http://hdl.handle.net/2268/131151
10.1140/epjb/e2008-00176-y

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