In this video from 1981, David D. Friedman lists some unresolved problems with libertarianism and also tells some funny stories about Ludwig von Mises, Murray Rothbard, and Ayn Rand. In general, he thinks that libertarians are too confident in their ability to answer all real world problems given the current state of libertarian ethical theory. For anyone interested in the fundamentals of libertarianism, this video will be a lot of fun.
TL;DW: First, he is concerned that there is no pre-defined rule for quantifying the kind and quantity of punishment and restitution that is appropriate in response to crimes. Continue reading