Friday, May 28, 2010

Charts of the Day

Measures of U.S. wireless network availability and competitiveness (as compared with other countries), from the Federal Communication's Mobile Wireless Competition Report, released last week:


source: FCC 10-81 at 37


source: FCC 10-81 at 197

BTW, HHIs -- the Herfindahl-Hirschman Index -- are a measure of market concentration used by the Department of Justice (see Section 1.5) in evaluating horizontal mergers ---the lower the HHI, the more competitive the market.

No wonder U.S. mobile rates are low (which is, in turn why U.S. consumers use comparatively more airtime per month).

No comments: