Aguiar, Luis; Waldfogel, Joel - Institute for Prospective Technological Studies (IPTS), … - 2014
Since the launch of the iTunes Music Store in the US in 2003 and in much of Europe in the following years, music trade … substantial growth in availability, the available choice sets of digital music have not fully converged across countries. The … an obstacle to greater availability. However, other factors such as commercial strategies by music producers may also …