Economic Appraisal This link takes one to the course materials for an online course in Economics Appraisal offerred to economists at the UK Department for International Development (DFID)
CBA modelling with Excel
UK Treasury Greenbook
The 2003 edition of the UK Project Appraisal
handbook, giving an in-depth analysis of most of the issues related to the
practical implementation of cost-benefit analysis, including the ways of handling
distributional weights.