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...

Why do low income patients tend to go to lower quality health care providers, even when they are free? We show that differential information about provider quality is an important determinant of this disparity. Our empirical strategy exploits the temporary presence of a website that publicly...