Some problems about population investment.
Liu
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D001208:Asia; D001519:Behavior; D002668:Child Rearing; D002681:China; D003906:Developing Countries; D004467:Economics; D004651:Employment; D005202:Asia, Eastern; D006280:Health Workforce; D012919:Social Behavior; D012939:Social Planning
Asia; Behavior; Child Rearing--cost; China; Developing Countries; Development Planning--cost; Eastern Asia; Economic Development--cost; Economic Factors; Human Resources--cost; Labor Force--cost; Social Behavior--cost