Economists like to tell a possibly apocryphal story about Milton Friedman. The prophet of free markets, visiting an Asian country in the 1960s, witnessed a public-works project that had people making a road with picks and shovels. When he asked why they didn’t use earth-moving machines instead, a local official responded that the goal was to provide people with jobs. In that case, the economist asked, why didn’t the government just have the workers use spoons instead?
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