Allison Schrager: The AI boom has a fertility problem

The world’s advanced economies could be facing a slow-moving train wreck that they appear powerless to stop. We are no longer producing enough babies. The fertility rates in many European and East Asian countries along with the U.S. are on an alarming trajectory. How alarming? Demographics may become nearly as big a deal for the U.S. as artificial intelligence in the decades ahead — but working in the opposite direction. 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