A Chicago Booth survey of leading economists found that expertise caused both an increase and a decrease in certainty about the actual value of breaking up the big banks. In short, consolidation is a complicated subject. Too Big to Succeed WPI has noted in the past that banks have become bigger at the same time policy makers and activists have decried consolidation in the agricultural sector. Now some U.S. presidential candidates have campaigned on the need to break up big banks, so it is interesting to note the perspective of economic experts on this subject. After all, like the general public, politicians are greatly subject to the Dunning Kruger effect in which confidence about a policy choice is strongest when knowledge is least, and...

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