Impact assessments are a basic component of best practice in policy making, and form a sound basis on which to review existing policy. They are essential tools to employ when considering the effect of a range of different proposals. To be effective, the process of impact assessment should begin right at the start of your policy project.
Effective Policy Making - Workbook Four - A Practical Guide to Impact Assessment - PDF
Effective Policy Making - Workbook Four - A Practical Guide to Impact Assessment - MS Word