The failure of orthodox economic analysis to provide acceptable answers to the dominant contemporary policy problems has given rise to a widespread feeling of "methodological crisis" in the discipline. Students find it increasingly hard to relate to a textbook-authenticated paradigm which seems to be in the process of disintegration. The object of this book is to put some of the current theoretical controversies into long term perspective by tracing their historical antecedents. A connected object is to interpret some of the doctrinal divisions in the modern debate by showing that they spring from profound disagreements about what economics is and what questions the economist ought to be trying to answer. It examines the way leading theorists have adapted their theories and concepts to major changes in the problem-situation facing policy makers. The book is in no sense exhaustive (either in the range of theories or in the selection of theorists discussed) but focuses particularly on...