Musings on: “What the he** do you teach your students, Menzie”

Steven Kopits argues about the relevance of market imperfections, to wit:

What the hell do you teach your students, Menzie? “Well, you know, here’s the theory, but let’s not get carried away with it in real life.”? Why would anyone want to be an economist when the bulk of your views seem to revolve around exceptions to the rule, about presumptions that you are smarter than the market or that markets don’t work?

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Flash-mob finance

Modern communication infrastructure can facilitate swift simultaneous action by a large number of people. If used to coordinate a surprise attack, an organized mob can overcome a store or even the capitol building. Is Wall Street the next target?
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