“Our debt to Hayek is very substantial. He helped to establish a freedom-based approach of evaluation through which economic systems can be judged (no matter what substantive judgments we arrive at). He pointed to the importance of identifying those services that the state can perform well and has a social duty to undertake. Finally, he showed why administrative psychology and propensities to corruptibility have to be considered in determining how states can, or cannot, work and how the world can, or cannot, be run.”