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Chen, Yuyu; Li, Hongbin; Meng, Lingsheng – Journal of Human Resources, 2013
How much of the increase in sex ratio (male to female) at birth since the
early 1980s in China is attributed to increased prenatal sex selection? This
question is addressed by exploiting the differential introduction of diagnostic
ultrasound in the country during the 1980s, which significantly reduced
the cost of prenatal sex selection. We…
Descriptors: Sex, Foreign Countries, Pregnancy, Diagnostic Tests