A relative value of life dependent on age has been produced from a survey of 721 randomly selected individuals together with other observations of professional practice. The results are presented in diagrammatic form. If two identical people, except for age, present for medical treatment for a life-threatening condition and only one can be treated then the diagram indicates what the choice should be.

Recent developments in themethodology of economics have drawn uponpragmatist and realist philosophies of socialscience. These recent developments areoutlined. It is argued that a specific variantof realist philosophy known as critical realismcan provide the basis for a prescriptiveeconomic methodology that is not susceptible topragmatist criticisms.