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The present paper aims at exploring the equity exposure of Italian equity mutual funds as they emerge from their portfolio holdings at the date of December 31st, 2010. The technique adopted in the analysis considers the construction of a bipartite network and the detection of the overlap of portfolios held by mutual funds. The relationship among stocks due to their presence in the same portfolios...
We propose the construction of a network to study the correlation among price indices of different commodities, by using the Multifractal Cross-Correlation method proposed by Podobnik and Stanley. This estimator, based on the method Multifractal Detrended Fluctuation Analysis, is effective for self-similar signals with characteristics such as those we here analyze. We construct different networks...
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