2010 Jul 1, 3:33"By charting the production of new books, new music albums, and new feature films over the last decade, the authors tried to see whether creative output went up or down in correlation with
file-sharing." They find that creative output is going up while piracy also increases. But this is correlation not causation. They can't say there wouldn't be more creative output with less piracy.
Regardless, still an interesting statistic.
arstechnica copyright law economics ip piracy music technical