wealthy people often perform unskilled volunteer work (and are celebrated for it), even when their time is worth vastly more on the open market.16 Here’s Miller again: The division of labor is economically efficient, in charity as in business. Instead, in most modern cities of the world, we can observe highly trained lawyers, doctors, and their husbands and wives giving up their time to work in soup kitchens for the homeless or to deliver meals to the elderly. Their time may be worth a hundred times the standard hourly rates for kitchen workers or delivery drivers. For every hour they spend
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