Does file-sharing reduce DVD sales?

被引：4
|
作者：
Martikainen, Emmi [1 ]
机构：
[1] Univ Turku, Dept Econ, Turku Sch Econ, Turku 20014, Finland
来源：
NETNOMICS | 2014年 / 15卷 / 01期
关键词：
Digital piracy; File-Sharing; DVD Sales; Dynamic panel estimation;
D O I：
10.1007/s11066-014-9085-0
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
The short-term effect of BitTorrent file-sharing on movie DVD sales is estimated using sales data on newly released DVDs and torrent file downloads during a 13-week period between March and May 2009 in the USA. To overcome endogeneity between downloads and sales, the analysis is carried out in a dynamic panel setting. After controlling for an autoregressive component and a declining time trend in sales, the file-sharing elasticity of sales is not statistically different fromzero in the difference GMM estimations. The results hold when external instruments are used. Moreover, the results suggest an upper bound of -0.21 of elasticity, indicating that the short-term sales displacement effect is moderate at worst.
引用
收藏
页码：9 / 31
页数：23
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