HM Treasury’s Magenta Book

The Magenta Book published in 2011 by HM Treasury provides guidance for evaluating policies and investments.

The document covers:

Part A (aimed at policy makers):

  • Key issues in policy evaluation.
  • Identifying the right evaluation for the policy.
  • Building impact evaluation into policy design.
  • Practical issues to consider when designing an evaluation.

Part B (aimed at analysts conducting evaluations)

  • The stages of an evaluation.
  • Setting out the evaluation framework.
  • Data collection.
  • Process evaluation.
  • Empirical impact evaluation.

Drawing together and reporting evaluation evidence.