Does it pay to hire top banks?

economist.com — Mar 21st 2012, 19:38 by A.W. | LONDON MOST research in academia is critical of the league tables that rank investment banks by the value of deals on which they advise.
Tim Harford Senior Columnist, Financial Times @TimHarford
Is Goldman Sachs worth the cash, or would only a muppet hire them? t.co/Vi4Yh9Nu