Wicksteed's classic work, The Co-ordination of the Laws of Distribution, has a central place within the development of marginal productivity theory. It claimed to explain all 'factor returns' on a unified basis and to show how 'marginal productivity factor pricing' just exhausted the total product. It is presented here with a long introduction by the editor, Ian Steedman, who provides both a careful analysis of the text and an assessment of Wicksteed's place within the development of modern economics. This important new edition will make The Co-ordination of the Laws of Distribution accessible to a fresh generation of economists.