We consider the large range of estimated costs of meeting U.S. climate policy targets. Some of this range is due to different studies using different cost measures, and in principle such differences could be eliminated by more careful comparisons and greater transparency in studies that estimate...

The paper identifies and theories future trends in public/private risk-sharing agreements, as a form of public subsidy, in thin market air service provision. Using a Pacific Islands example, the paper details the economic and policy implications of such agreements. In November 2008, the Cook...