Atip, A., Clay, K., Krishnan, R.,  & Smith, M. D. (2004). An empirical analysis of network externalities in peer-to-peer music-sharing networks. Information Systems Research, 15, 155-174.

Peer-to-peer file sharing networks are becoming an important medium for the distribution of information goods. However, there is little academic research into the optimal design of these networks under real-world [...]