When Technology Gives Customers Choices, What Happens to Traditional Monopolies?

After a century of near-choicelessness, consumers want supply choices and lower costs; while after a century of solid service, traditional utilities want predictable demand and stable revenues. On both sides, the arguments shade from legitimate and public-spirited to the cagey and opportunistic. Resolving the conflicts requires us to apply economic and legal reasoning that reflects common sense, economic efficiency, and constitutional principles. This article seeks to sort out these points.