Recorded music revenue has fallen sharply since the appearance of the first digital sharing technology (Napster) in 1999. By 2012, it was down by about 70 percent in North America and Europe compared to 1999. Several factors may have contributed to this decline in revenue, including the change...

Since the launch of the iTunes Music Store in the US in 2003 and in much of Europe in the following years, music trade has shifted rapidly from physical to digital products, raising the availability of products in different countries. Despite substantial growth in availability, the available...