Peter Stillman writes: >>But I kind of think it would be also interesting to study the vast hierarchical command order embedded in the modern economy.<< The key fact from the perspective of science here is that order in the human domain which does not come directly from the hand of a single commander or designer creates a special sort of problem to be explained -- a problem comparable in significant ways to the problem of undesigned order addressed by Charles Darwin. Both Darwin and Hayek present a preceived design problem with a bottom-up causal explanation, rather than a "top down" designer explanation. This this problem-explanation nexus is Hayek's central point, which he discusses in a variety of different places in a variety of different ways. To be clear, Hayek and "Hayekians" have no objection to to the study of command structures or pre-designed "intended orders". These simply presents a problem of a different scientific order than does the problem of the general order of coordinated plans perceivable in the global market economy. Greg Ransom