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The Effects of Internet Book Piracy: Case of Comics

Author

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  • Tatsuo Tanaka

    (Faculty of Economics, Keio University)

Abstract

In this study, the effects of internet book piracy in the case of the Japanese comic book market were examined using direct measurement of product level piracy ratio and a massive deletion project as a natural experiment. Total effect of the piracy is negative to the legitimate sales, but panel regression and difference-in-difference analysis consistently indicated that the effect of piracy is heterogeneous: piracy decreased the legitimate sales of ongoing comics, whereas increased the legitimate sales of completed comics. The latter result is interpreted as follows: piracy reminds consumers of past comics and stimulates sales in that market.

Suggested Citation

  • Tatsuo Tanaka, 2019. "The Effects of Internet Book Piracy: Case of Comics," Keio-IES Discussion Paper Series 2019-016, Institute for Economics Studies, Keio University.
  • Handle: RePEc:keo:dpaper:2019-016
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    File URL: http://ies.keio.ac.jp/upload/pdf/en/DP2019-016.pdf
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    References listed on IDEAS

    as
    1. Takeyama, Lisa N, 1994. "The Welfare Implications of Unauthorized Reproduction of Intellectual Property in the Presence of Demand Network Externalities," Journal of Industrial Economics, Wiley Blackwell, vol. 42(2), pages 155-166, June.
    2. Stan J. Liebowitz, 2016. "Why the Oberholzer-Gee/Strumpf Article on File Sharing Is Not Credible," Econ Journal Watch, Econ Journal Watch, vol. 13(3), pages 373–396-3, September.
    3. Sudip Bhattacharjee & Ram D. Gopal & Kaveepan Lertwachara & James R. Marsden & Rahul Telang, 2007. "The Effect of Digital Sharing Technologies on Music Markets: A Survival Analysis of Albums on Ranking Charts," Management Science, INFORMS, vol. 53(9), pages 1359-1374, September.
    4. Adermon, Adrian & Liang, Che-Yuan, 2014. "Piracy and music sales: The effects of an anti-piracy law," Journal of Economic Behavior & Organization, Elsevier, vol. 105(C), pages 90-106.
    5. Felix Oberholzer-Gee & Koleman Strumpf, 2007. "The Effect of File Sharing on Record Sales: An Empirical Analysis," Journal of Political Economy, University of Chicago Press, vol. 115, pages 1-42.
    6. Liebowitz, Stan J, 2006. "File Sharing: Creative Destruction or Just Plain Destruction?," Journal of Law and Economics, University of Chicago Press, vol. 49(1), pages 1-28, April.
    7. Luis Aguiar & Bertin Martens, 2013. "Digital music consumption on the internet," JRC Working Papers on Digital Economy 2013-04, Joint Research Centre (Seville site).
    8. Felix Oberholzer-Gee & Koleman Strumpf, 2010. "File Sharing and Copyright," NBER Chapters, in: Innovation Policy and the Economy, Volume 10, pages 19-55, National Bureau of Economic Research, Inc.
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    10. Oberholzer-Gee, Felix & Strumpf, Koleman, 2016. "The effect of file sharing on record sales, revisited," Information Economics and Policy, Elsevier, vol. 37(C), pages 61-66.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    copyright; comic; piracy; Internet; DID;

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • L82 - Industrial Organization - - Industry Studies: Services - - - Entertainment; Media
    • M3 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Marketing and Advertising
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital

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