In 1977 Richard Posner (then a prof at the University of Chicago's notorious ultra-libertarian school; now a federal judge) teamed up with an economist and law student to form Lexecon, which has since grown to a firm worth more than $130,000,000, whose major business is to serve as intellectual guns-for-hire who will produce plausible-seeming economic models defending giant corporate mergers against anti-trust regulators. Read the rest