The study begins with a critical examination and comparison of four major theories of capitalism, in the works of Marx, Weber, Schumpeter and Hayek. This is followed by an analysis of the most recent phase of capitalism which has been conceptualised by Marxists thinkers in various ways as 'organised capitalism'', 'state monopoly', or 'late capitalism'. Finally, Bottomore considers the question of a 'transition to socialism' in the diverse interpretations which have been offered by Marxists on one side, and by Weber, Schumpeter and Hayek on the other. will be valuable in a wide range of courses in social and political theory, and will also have an appeal to a broader readership concerned with issues of social and economic policy.