In their absence, the drive for improvement in public sector organisations has to come from within. But people who work in the public sector, as currently constituted, have no incentives to take the risks involved in change. If they take risk and it goes well, they get no reward. If it goes badly, they get roundly criticised - often in public by bodies like the National Audit Office (NAO) and the Public Accounts Committee. Faced with such incentives, they do the sensible thing and avoid taking risks.