First Published in 1968. Routledge is an imprint of Taylor & Francis, an informa company.

First Published in 1968. A reprinting of the original collection of essays on unemployment, from 1933, which are addressed to students of economics. Concerning the areas of the form of the real demand function for labour in particular occupations, the monetary factor, with the aim of a direct discussion on the causation of unemployment and its fluctuations.