[Rumori] Fwd: p2p is not killing the music business
praemedia at yahoo.com
Mon Mar 29 15:19:09 PST 2004
> interesting study in pdf form found here
> snipped from www.boingboing.net:
> > Empirical data on file-sharing's effect on album
> > Koleman Strumpf, a conservative, Cato-affiliated
> economist at the University
> > of North Carolina at Chapel Hill, has just
> co-authored a paper on the effects
> > of file-sharing on album sales, based on the
> first-ever empirical data
> > analysis in the field. Koleman watched the file
> requests on OpenNap servers
> > (to get numbers on which albums' tracks are being
> downloaded) and compared
> > them to the sales-figures for each album,
> correlating file-sharing popularity
> > against sales data. His conclusion: file-sharing
> isn't killing record sales.
> -- excerpted from the study:
> > We analyze a large file sharing dataset which
> includes 0.01% of the world¹s
> > downloads from the last third of 2002. We focus on
> users located in the U.S.
> > Their audio downloads are matched to the album
> they were released on, for
> > which we have concurrent U.S. weekly sales data.
> This allows us to consider
> > the relationship between downloads and sales. To
> establish causality, we
> > instrument for downloads using technical features
> related to file sharing
> > (such as network congestion or song length) and
> international school holidays,
> > both of which are plausibly exogenous to sales. We
> are able to obtain
> > relatively precise estimates because the data
> contain over ten thousand
> > album-weeks...
> > Even in the most pessimistic specification, five
> thousand downloads are needed
> > to displace a single album sale...high selling
> albums actually benefit from
> > file sharing.
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