A study of file-sharing’s effects on music sales says online music trading appears to have had little part in the recent slide in CD sales.
For the study, released Monday, researchers at Harvard University and the University of North Carolina tracked music downloads over 17 weeks in 2002, matching data on file transfers with actual market performance of the songs and albums being downloaded. Even high levels of file-swapping seemed to translate into an effect on album sales that was “statistically indistinguishable from zero,” they wrote.
“We find that file sharing has only had a limited effect on record sales,” the study’s authors wrote. “While downloads occur on a vast scale, most users are likely individuals who would not have bought the album even in the absence of file sharing.”
The study, the most detailed economic modeling survey to use data obtained directly from file-sharing networks, is sure to rekindle debates over the effects of widely used software such as Kazaa or Morpheus on an ailing record business.
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