The Concept and measurement of involuntary unemployment / edited by G. D. N. Worswick for the Royal Economic Society. Worswick, G. D. N. (George David Norman) Royal Economic Society (Great Britain) Unemployment Great Britain Congresses. Unemployment Great Britain Statistical methods Congresses. Unemployment Congresses. HD5767 .C57 1976b 331.13 WOC Papers delivered at a conference of the Royal Economic Society held at Durham in March 1974. Includes index. Bibliography: p. [314]-322. London : Allen and Unwin, c1976. c1976. 1976 Text 3-327 p. : eng Great Britain Great Britain