Building from the micro-foundations of economic behaviour to a full survey of macroeconomics, this title examines growth theory and equilibrium and disequilibrium approaches to provide a comprehensive survey of all the rival theoretical approaches that underlie central policy debates. A survey of pre-Keynesian theories of growth, fluctuations and the various short and long cycles and crises is followed by an exposition of Keynesian theory and its subsequent development and of the neo-classical revival. The topics covered include: non-clearing markets; involuntary unemployment; and persistent inflation. As well as full coverage of the English-language literature, this book covers important contributions from the new school of French macroeconomists, including Malinvaud, Benassy and Grandmont.