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Weighted network based on the co-occurrence of financial institutions in the top 25 ranking, aggregated over all quarter years.

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posted on 2015-09-03, 15:31 authored by Vahan Nanumyan, Antonios Garas, Frank Schweitzer

The size of a node increases with its importance Wi, the width of the links increases with their weights wij, where lij ∈ {0,1} (i.e., do not depend on the ranks). The links are colored according to the non-normalized correlation coefficient (defined in Section Correlations in activities) between activities in OTC derivatives of the two banks.

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