Emil O W Kirkegaard on Twitter: "Markets work well to optimize things. However, expecting them to greatly improve student outcomes rests on the assumption that schools are an important causal force for this, which is largely or completely wrong. That was known (by some) in the 1960s. https://t.co/gEFZ2aqj7A… https://t.co/xHF2RBGwTf"

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‏ @KirkegaardEmil

Markets work well to optimize things. However, expecting them to greatly improve student outcomes rests on the assumption that schools are an important causal force for this, which is largely or completely wrong. That was known (by some) in the 1960s. https://www.bloomberg.com/view/articles/2017-10-23/we-libertarians-were-really-wrong-about-school-vouchers …pic.twitter.com/CaRxUMEUoU