This Congressional Budget Office (CBO) study, written by Terry Dinan--prepared at the request of the Senate Committee on Environment and Public Works--examines four proposals. All are variants of a "cap-and-trade" program, in which policymakers would set a mandatory cap on carbon emissions and allow businesses to trade rights (or allowances) to those emissions.

"June 2001." "The study was written by Terry Dinan of CBO's Microeconomic and Financial Studies Division ..."--Preface.