A link between wealth and breeding: The best of all possible worlds? | The EconomistThe best of all possible worlds?It was once a rule of demography that people have fewer children as their countries get richer. That rule no longer holds true Alamy ONE of the paradoxes of human biology is that the rich world has fewer children than the poor world. In most species, improved circumstances are expected to increase reproductive effort, not reduce it, yet as economic development gets
Amazon.co.jp: 日経サイエンス 2008年 12月号 [雑誌]: 本
