across the oecd countries spend to of gdp on pes and administration and another to of gdp on other almps ideally evaluations cover various aspects of the implementation of new policies and programmes and help to understand what effects the policies and programmes had for whom and why performance management and programme evaluations allow the continuous improvement of policies and programmes or the termination of unsuccessful ones demonstrate accountability and justify government expenditure on pes and almps this also requires a strategic view giving due weight to qualitative outcomes and broader and longerterm considerations