Is Sprint a victim of 'The Rule of Three and Four?'

[Commentary] Bruce Henderson hypothesizes that a stable, competitive industry will never have more than three significant competitors and that the industry will find equilibrium when the market shares of the three competitors reach a ratio of 4:2:

Utilities to FCC: Don’t mess with our spectrum

The Utilities Technology Council, a trade group representing hundreds of US utility companies, is urging federal agencies to make sure that power and electricity providers retain control of interference-free spectrum so they can continue to operat