How the West 'Invented' Fertility Restriction
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Europeans restricted their fertility long before the Demographic Transition. By raising the marriage age of women and ensuring that a substantial proportion remained celibate, the "European Marriage Pattern" (EMP) reduced childbirths by up to one third between the 14th and 18th century. In a
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美国国家经济研究局创建时间：
2011-08-01
