# Problems with Libertarianism **URL:** **By** David D. Friedman **Published:** May 16, 1981 --- David Friedman lists problems he believes he has found with moral-rights based justifications for libertarianism. David D. Friedman is an economist, political philosopher, and the author of many books including The Machinery of Freedom: Guide to a Radical Capitalism, wherein he lays the groundwork for a society based exclusively on voluntary transactions. In this lecture from a Texas Libertarian Party conference in 1981, Friedman goes over a few problems he believes he has found with moral-rights based justifications for libertarianism. These include: proportional punishment claims from victims, aggressors using human shields, absolute property rights, origination of property in land, and public goods problems. He then takes questions from the audience.