File Sharing and Copyright

to freely copy parts of an original song, consumers who regard the de- rivative work as a close substitute would be less likely to buy the orig-inal.4 However, if consumers learned to better appreciate the original through the mash‐up, demand for the original work might actually in-crease. In this case, the two versions of the song are complements, two goods for which a decrease in the price ... ................
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