Abstract Recent publications have reached conicting conclusions on wheather allowing users to have unlimitted free access for downloading music and lms is benetial or not for the content provider industrty. Not only do models dier in their conclusions, but there has also not been an agreement on the validity of data on the impact of free access to music and lms using P2P on the prots of CPIs and on the demand for CDs and DVDs. We provide in this paper a model that allows to study this question using elementar…
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