How to Make Sure the Volcker Rule Survives in Court

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Dec. 10 (Bloomberg) -- Vocal opposition from banks didn’tstop U.S. financial regulators from approving the so-calledVolcker rule, which bans proprietary trading.

Yet the real threat to the rule never came from WallStreet. It is coming from the courts. Unless regulators candefend the rule based on principles of economics, it could godown in flames.