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Births and Fertility (Natality: effect birth and fertility have on a…
Births and Fertility
Natality: effect birth and fertility have on a population as a whole
Economic, Structural, and Cultural Theories
G. S. Becker: Quality of Children
R. Easterlin: Relative Income Coale:
The Role of Values and Custom
J. Caldwell: Wealth Flow Theory
Baby boom
Zero Population Growth (ZPG)
Birth: an individual comes into the world
Fecundity
Measuring birth
Period Measures
Cohort Measures
Crude birth rate (CBR)
Fertility: status of a parent (mother) when a birth occurs
Measuring fertility
Period Measures
Cohort Measures
Total Fertility Rate (TFR)
Age-Specific Fertility Rates (ASFR)
General Fertility Rate (GFR)
Theories of Fertility
The Theory of Multiphasic Demographic Response
The Theory of Intermediate Variables
Reproduction: capacity for a population to sustain its size from generation to generation
Measuring reproduction
Gross Reproduction Rate (GRR)
Net Reproduction Rate (NRR)
Child-Woman Ratio (CWR)