We test the concept of contestability in the digital music player market. The theory suggests that the threat of new entrants keeps firms' market power in check. But Baumol and others argue that pure contestable markets rarely happen in reality. The portable music player market has been...

The music industry is facing the development of online P2P networks, direct download services and other forms of digital piracy, while at the same time the format and promotion of pre-recorded music are undergoing major transformations with the advent of MP3 and new forms of collective...