摘要: |
The benefit cost ratio or BCR has been getting poor press recently for transport projects. An Institute for Government report111 commented on transport evidence: 'While the BCRs calculated are comprehensive, with this sort of appraisal, the focus on this single number can hide more than it illuminates and is poorly suited for some kinds of project.' HM Treasury's review of the Green Book121 was also critical, and it has led to some stating expectations that the role of BCRs in decision-making will diminish. The greatest problem identified by the review is, however, not the usefulness or otherwise of cost benefit analysis (CBA), but the general failure of appraisals to engage properly with the strategic context of the proposal. |