Teaser: Friedman’s great addition to management thinking was that we need to stop focussing on doing a lot of activity productively and start to focus on outcomes. More importantly, hold ourselves accountable for doing so, Outcomes Based Accountability (OBA) can be used to improve the quality of life in communities, cities, counties, states and nations, including everything from the well-being of children to the creation of a sustainable environment. It is an approach that supports value-based population health.