Business Spectator: In a well-timed piece of publishing, the Committee for the Economic Development of Australia (CEDA) has released a 150-page commentary this week on other options for delivering carbon price signals, transparency for consumers and certainty for investors in national policy. (By way of disclosure, I have been involved with CEDA as a trustee going back to the early 1980s and think highly of it as a non-partisan marketplace for issues debate.) In the new commentary, CEDA has …