Hierarchical structure in phonographic market
AbstractI find a topological arrangement of assets traded in a phonographic market which has associated a meaningful economic taxonomy. I continue using the Minimal Spanning Tree and the Life-time Of Correlations between assets, but now outside the stock markets. This is the first attempt to use these methods on phonographic market where we have artists instead of stocks. The value of an artist is defined by record sales. The graph is obtained starting from the matrix of correlations coefficient computed between the world's most popular 30 artists by considering the synchronous time evolution of the difference of the logarithm of weekly record sales. This method provides the hierarchical structure of phonographic market and information on which music genre is meaningful according to customers.
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Bibliographic InfoPaper provided by arXiv.org in its series Papers with number 1105.6265.
Date of creation: May 2011
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Publication status: Published in A. Buda, A. Jarynowski, Life-time Of Correlation And Its Application (volume 1), Wydawnictwo Niezalezne, Wroclaw 2010, ISBN 978-83915272-9-0
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Web page: http://arxiv.org/
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