Is the iPhone Birth Control? Causal Evidence from AT&T’s 2007–2011 Carrier Monopoly
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The U.S. general fertility rate has fallen by 22% since 2007, a sustained decline not readily explained by economic conditions, contraceptive use, housing or childcare costs, or other commonly cited factors. We assess the potential role of a different shock: the diffusion of the smartphone. The U.S.
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美国国家经济研究局创建时间：
2026-06-01
