Economic Analysis of Differentiation of Content

本研究测量了包括地面广播节目在内的音乐和视频的多样性，并分析了市场结构和分销渠道增加对内容选择的影响。实证分析发现，市场集中度并没有导致内容多样性的减少。此外，消费者按内容选择渠道，因此，分销渠道的增加有助于扩大内容的选择范围。

This study measured the diversity of music and video including terrestrial broadcast program and analyzed the impact of the market structure and an increase in distribution channels on the selection of content. The empirical analysis found that the market concentration did not cause a decrease in content diversity. In addition, consumers selected channels by content, thereby, an increase in distribution channels contributed to the expansion of selection of content.