This paper quantifies the relationship between private-network file sharing activity and music sales in the BitTorrent era. Using a panel dataset of 2,251 albums' U.S. sales and file sharing downloads on a private network during 2008, I estimate the effect of file sharing on album sales....

I quantify the effects of private-network music sharing on aggregate album sales in the BitTorrent era using a panel of US sales and private-network downloads for 2,109 albums during 2008. Exogenous shocks to the network's sharing constraints address the simultaneity problem. In theory,...

Copyright protection grants creators monopolies – with their attendant harms – in order to provide incentives for continued creation. File sharing, which exploded with Napster’s appearance in 1999, effectively weakened copyright protection. Researchers have documented depressing effects of...