 Thanks to the Georgetown Institute for the Study of Markets and Ethics at Georgetown’s McDonough School of Business for their generous support of the first author in the fall of 2016. For encouragement and advice, the authors thank Mark Budolfson, Suzi Dovi, David Friedman, Jerry Gaus, Michael Gill, Pete Leeson, Elijah Millgram, Mark Pennington, Dan Russell, Jeremy Shearmur, Ionut Sterpan, Virgil Storr, Adam Tebble, John Thrasher, and audiences at the Southern Economic Association, George Mason University’s Political Economy seminar, Bucharest School of Social Science and Philosophy, the Asan Institute in Seoul, and the Arizona Center for Philosophy of Freedom. Heartfelt thanks also to a reader for the Stanford Encyclopedia. 