The Donor Committee for Enterprise Development (DCED) Standard offers a best practice by outlining the key elements for practically and credibly estimating the results of Private Sector Development programmes, in a process which can be managed by programmes internally. It involves a few common impact indicators to ensure that donors will be able to add up their results across country programmes. The Standard is being piloted on a multi-agency basis; the DCED invites new programmes to join in adopting the approach