Parents of high economic status invest more heavily in sons. while parents of low economic status invest more heavily in daughters. Revealed by big data on backpack sales. https://t.co/5JmLLnrWmj pic.twitter.com/DfQKvbLppD
— Rolf Degen (@DegenRolf) February 19, 2018
via Twitter https://twitter.com/DegenRolf
February 19, 2018 at 10:44PM
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