Improving diet quality has been a major target of public health policy. Governments have encouraged consumers to make healthier food choices and firms to reformulate food products. Evaluation of such policies has focused on the impact on consumer behaviour; firm behaviour has been less well...

The demand for return in investment (ROI) analyses in public health is on the rise as a ‘business case’ needs to be presented before a public health programme can be funded. This book explains the science behind ROI analyses and shows how policy makers can learn the art of understanding and...