How do economists tackle the problems of the economic system and give advice on public policy? Nobel laureate R.H. Coase reflects on some of the most fundamental concerns of economists over the past two centuries. In 15 essays, Coase explore the history and philosophy of economics and evaluates the contributions of a number of outstanding figures.

This paper is concerned primarily with certain methodological problems that arise in constructing the "distinct positive science" that John Neville Keynes called for, in particular, the problem how to decide whether a suggested hypothesis or theory should be tentatively accepted as part of the "body of systematized knowledge concerning what is."