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Asian Journal of Information and Communications 12(1)
Asian Journal of Information and Communications 12(1)

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Asian Journal of Information and Communications

Comparison of spectrum distribution among network operators and market structure in mobile telecommunications Jihwan Kim

  • Page:0
  • 2020-04-14
Spectrum is an essential input of mobile communication services. Spectrum auctions, in
principle, are favorable to mobile telecom operators that have strong financing capabilities.
For this reason, it has been argued that auctions induce bandwidth differences among
operators and hinder competition within the retail market. To date, no empirical study has
addressed this issue. Therefore, the current study examines trends in the spectrum
distribution and market structure of 10 countries from 2001 to 2017, using the Hirschman–
Herfindahl Index (HHI) calculation method. In some (but not all) countries, the Market
HHI has been reduced to the Spectrum HHI level. We found that the spectrum distribution
in Belgium, France, Germany, Spain, and Sweden remained almost even and unchanged
for an extended period. Further research into what happened in these countries may
contribute to more rigorous research and policies vis-à-vis spectrum allocation.

Keywords: spectrum distribution, market structure, mobile telecommunications
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