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Chapter 5 (4 vital events: birth, death, in-migration, and out-migration,…
Chapter 5
4 vital events: birth, death, in-migration, and out-migration
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demographers: birth, fertility, reproduction, and natality
fertility: status of a parent, almost universally the mother
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reproduction: the capacity to which a population or subpopulation can sustain its size from generation to generation
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woman's level of fertility refers to the number of live births she has actually experienced at a specific point in her life
3 major sources of data analysis of fertility: vital statistics, censuses, and sample surveys
Period measures: account for births that occur to women in one or more age groups during a specific calendar year
Cohort measures: track the fertility performance of a specific group of women of similar ages—an age cohort—through the duration of their reproductive years
Crude birth rate (CBR): CBR = B/P x 1,000
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General fertility rate (GFR): GFR = B/W(15-44) x 1,000
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Child-woman ratio (CWR): CWR = P(0-5)/W(15-49) x 1,000
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Intercourse, conception, and gestation
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Wealth flow theory: non-demographic causes, in producing a demographic effect
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Social structural theories: role of modernization and industrialization in process of fertility decline