Practical guide to impact evaluation.
Practical guide to impact evaluation. Covers the main concepts they need to consider when deciding whether and then how to carry out an impact evaluation of policies and programmes and which methods to use. Focuses on the business community as the target group. Complements the HM Treasury Green Book, which provides a detailed guide to the use of appraisal to inform policy design and the HM Treasury Magenta Book, which focuses mostly on evaluation methods for policies and programmes that affect individuals.