Lena Edlund, another economist, has found that in the areas of her native Sweden where the wealthiest men live, women of prime marriageable age are over-represented.

另一位经济学家莱娜·埃德隆德(Lena Edlund)发现，在其祖国瑞典最富有男士生活的地区，处于最佳适婚年龄的女性比例过高。

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Two Columbia University researchers, Douglas Almond and Lena Edlund, were poring over U.S. Census data when they noticed a statistical anomaly: Americans from China, Korea and India have relatively few daughters.

FORBES: America's Male Only Child Policy?