David Friedman is an economist, political philosopher, and the author of many books including The Machinery of Freedom, wherein he lays the groundwork for a society based exclusively on voluntary transactions. In this Exploring Liberty lecture, Friedman discusses the main premises of The Machinery of Freedom and offers a few additional conclusions he has reached in the years after the first edition of the book was published in 1973. An .mp3 version of this lecture is available here: http://bit.ly/w3Rr8r Related podcast episodes and articles are available here: https://www.libertarianism.org/media/… Produced by Evan Banks.