S. J. Prais and H. S. Houthakker: The Analysis of Family Budgets With an Application to Two British Surveys Conducted in 1937 —39 and Their Detailed Results. University of Cambridge. Department of Applied Economics. Monograph No. 4. Cambridge University Press. 1955. 372 pp. 50 shillings. - Hald, A. (Nationaløkonomisk Tidsskrift, 1959)