Becker, Jan; Clement, Michel - In: Journal of Media Economics 19 (2006) 1, pp. 7-32
The rise of peer-to-peer networks starting with Napster in 1999 and later KaZaA and eMule had a substantial impact on the online distribution of media content. Millions of users at any given point of time illegally offer copyright protected files and internalize the cost of their behavior....