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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Does pop music exist? Hierarchical structure in phonographic markets
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Does pop music exist? Hierarchical structure in phonographic markets

机译：流行音乐是否存在？唱片市场的层次结构

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摘要

I find a topological arrangement of assets traded in phonographic markets which has associated a meaningful economic taxonomy. I continue using the Minimal Spanning Tree and the correlations between assets, but now outside the stock markets. This is the first attempt to use these methods on phonographic markets 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 correlation coefficients 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 the phonographic market and information on which music genre is meaningful according to customers. Statistical properties (including the Hurst exponent) of weekly record sales in the phonographic market are also discussed.
机译：我发现在音素市场上交易的资产的拓扑结构安排与有意义的经济分类法相关联。我继续使用最小生成树和资产之间的相关性，但现在不在股票市场范围内。这是在我们拥有艺术家而非股票的唱片市场上首次使用这些方法的尝试。艺术家的价值由唱片销售决定。该图是从全球最流行的30位艺术家之间计算的相关系数矩阵开始的，其中考虑了每周唱片销量对数差异的同步时间演变。此方法提供了唱片市场的层次结构，以及根据客户的音乐类型有意义的信息。还讨论了唱片市场上每周唱片销量的统计属性（包括Hurst指数）。

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