Henry Louis. ? Approximations and Errors in Generation Nuptiality Tables. Cohort analysis ? which was hardly used before the war ? is now prefered to period analysis for studying fertility and nuptiality; on the reverse, period analysis is still the more widely used, as it has not the same...

Henry (Louis). - Some reflections on the study of demographic situations ("conjonc- tural demography") The expression "conjonctural demography", in its present sense of the study of recent demographic situations, was adopted relatively late. A related expression, "conjonctural measure" has not...