title: Discounting financial costs and health benefits in public health programmes.
authors: Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK n.j.wald@qmul.ac.uk.
authors: Nicholas J
authors: NJ
authors: Wald
authors: Christ Church, Oxford, UK.
authors: Peter
authors: P
authors: Oppenheimer