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1909 Elem. School Teacher 10 160 Another life-cycle study used in this grade is that of the moth or butterfly.

1927 Jrnl. Hygiene 26 457 There is no published evidence..as to the duration of the life cycle stages of Calliphora vomitoria.

1936 Social Forces 15 225/2 The life-cycle analysis of family living has opened up an important field in the method of family study.

1957 Amer. Econ. Rev. 47 922 Returning now to the dynamic aspects of the life-cycle model, we may develop the implications of our hypotheses about the growth of debt in a more general form.

1967 B. S. Cohn in P. Bohannan Law & Warfare 145 The general rule is that, when a household is celebrating a life-cycle rite,..at least one adult male..from every other household in the hamlet is invited.

1968 Public Admin. Rev. 28 463/1 A study of the relatively new management concepts in the procurement of major weapons systems such as..life cycle costing.

1977 J. L. Harper Population Biol. Plants xxi. 655 The life cycle strategy is likely in such a case to be influenced by the optimal allocation of sodium between parents and offspring.

1984 Acad. of Managem. Rev. 9 228/1 The life cycle model clearly reveals the psychologist's fallacy: continuing a project in the face of a financial setback is not always irrational.

1985 M. R. Haines in A. S. Rossi Gender & Life Course iii. 47 One method of describing the life cycle has been to use the age of head of household as a proxy for life-cycle stage.

1992 en Route Nov. 46/1 Developing a business in a still-nascent industry is something..standard life-cycle theories cannot explain.

1997 Housing Agenda Sept. (Finance Suppl.) 4/2 They commissioned a study of typical major repair costs, and projected them using life-cycle costing.

2001 S. Roaf et al. Ecohouse (2002) ii. 46 This cradle-to-grave approach is called ‘life cycle analysis’. It is used as a way of assessing the total impact of any building and shows the importance of the building's lifespan.