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The impact of asymmetric regulation on product bundling: The case of fixed broadband and mobile communications in Japan

Listed author(s):
  • Kuroda, Toshifumi
  • Ida, Takanori
  • Koguchi, Teppei

Product bundling may benefit or harm consumers dependingon the correlation betweenconsumer willingness to pay for the bundledgoods and the levels of market dominance of firms. We develop astructural demand model that allows for correlatedconsumer's willingness to pay and flexible complementarities/substitutabilities. We estimate thismodel using data fromthree surveys conducted bythe JapanMinistry of Internal Affairs and Communications. The estimation results show that fixed broadband and mobile communications are complements for theJapanese telecommunication incumbentbut ambiguousfor competitors. To assess the effect of asymmetric regulation on product bundling by the incumbent, we conduct a counterfactual analysis of a two-stage game where firms choose whether to set bundle discount or not to set for fixed-broadband and mobile communications at stage one and set prices at stage two. The subgame perfect Nash equilibrium ofthetwo-stage game with/without asymmetric regulation shows that mixed-bundling is the dominant strategy for the incumbent. To avoid cannibalization, the incumbent set large discounts for bundle and set high prices for separate goods. Along with high market dominance of the incumbent, this strategy decreases the consumer surplus by 18.8%. Under subgame perfect Nash equilibrium, thediffusion ratesof fixed broadband decreases from 88.9% to 88.0% andthe diffusion rates of mobile communications increases from 95.25 to 95.71%.We also find that pure bundling,asa toolfor leverage,is not a subgame perfect Nash equilibrium.

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File URL: https://www.econstor.eu/bitstream/10419/146318/1/ITS-LA-2015_Paper-17.pdf
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Paper provided by International Telecommunications Society (ITS) in its series 2015 Regional ITS Conference, Los Angeles 2015 with number 146318.

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Date of creation: 2015
Handle: RePEc:zbw:itsr15:146318
Contact details of provider: Web page: http://www.itsworld.org/

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  1. Anderson, Simon P. & Leruth, Luc, 1993. "Why firms may prefer not to price discriminate via mixed bundling," International Journal of Industrial Organization, Elsevier, vol. 11(1), pages 49-61, March.
  2. John Thanassoulis, 2007. "Competitive Mixed Bundling and Consumer Surplus," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 16(2), pages 437-467, 06.
  3. Hanming Fang & Peter Norman, 2006. "To bundle or not to bundle," RAND Journal of Economics, RAND Corporation, vol. 37(4), pages 946-963, December.
  4. Vogelsang, Ingo, 2010. "The relationship between mobile and fixed-line communications: A survey," Information Economics and Policy, Elsevier, vol. 22(1), pages 4-17, March.
  5. Gregory S. Crawford & Ali Yurukoglu, 2012. "The Welfare Effects of Bundling in Multichannel Television Markets," American Economic Review, American Economic Association, vol. 102(2), pages 643-685, April.
  6. Liao, Chun-Hsiung & Tauman, Yair, 2002. "The role of bundling in price competition," International Journal of Industrial Organization, Elsevier, vol. 20(3), pages 365-389, March.
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  8. Hurkens, Sjaak & Jeon, Doh-Shin & Menicucci, Domenico, 2013. "Dominance and Competitive Bundling," TSE Working Papers 13-423, Toulouse School of Economics (TSE).
  9. Kuroda, Toshifumi, 2014. "Bundling information goods under 'breakeven' price," 20th ITS Biennial Conference, Rio de Janeiro 2014: The Net and the Internet - Emerging Markets and Policies 106869, International Telecommunications Society (ITS).
  10. Matthew Gentzkow, 2007. "Valuing New Goods in a Model with Complementarity: Online Newspapers," American Economic Review, American Economic Association, vol. 97(3), pages 713-744, June.
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  12. repec:rje:randje:v:37:y:2006:i:4:p:946-963 is not listed on IDEAS
  13. Train,Kenneth E., 2009. "Discrete Choice Methods with Simulation," Cambridge Books, Cambridge University Press, number 9780521747387, October.
  14. Lukasz Grzybowski & Frank Verboven, 2013. "Substitution and Complementarity between Fixed-line and Mobile Access," Working Papers 13-09, NET Institute.
  15. Choi, Jay Pil & Stefanadis, Christodoulos, 2001. "Tying, Investment, and the Dynamic Leverage Theory," RAND Journal of Economics, The RAND Corporation, vol. 32(1), pages 52-71, Spring.
  16. Tim Burnett, 2014. "The Impact of Service Bundling on Consumer Switching Behaviour: Evidence from UK Communication Markets," The Centre for Market and Public Organisation 14/321, Department of Economics, University of Bristol, UK.
  17. R. Preston McAfee & John McMillan & Michael D. Whinston, 1989. "Multiproduct Monopoly, Commodity Bundling, and Correlation of Values," The Quarterly Journal of Economics, Oxford University Press, vol. 104(2), pages 371-383.
  18. William James Adams & Janet L. Yellen, 1976. "Commodity Bundling and the Burden of Monopoly," The Quarterly Journal of Economics, Oxford University Press, vol. 90(3), pages 475-498.
  19. Gregory Crawford, 2008. "The discriminatory incentives to bundle in the cable television industry," Quantitative Marketing and Economics (QME), Springer, vol. 6(1), pages 41-78, March.
  20. Peitz, Martin, 2008. "Bundling may blockade entry," International Journal of Industrial Organization, Elsevier, vol. 26(1), pages 41-58, January.
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