Card, David E Card, David Edward Layard, R. Layard, Richard Ashenfelter, Orley Handbook of Labor Economics - 3. impr. - New York, N.Y., U.S.A. Elsevier 1986 - 1273 pages - J0 12 -2 - Handbooks in Economics ; . ISBN: 9780444878571 Subjects--Index Terms: Business Economics