Simon Johnson: Why Are the Big Banks Suddenly Afraid?

Simon Johnson is the Ronald A. Kurtz Professor of Entrepreneurship at the M.I.T. Sloan School of Management and co-author of “White House Burning: The Founding Fathers, Our National Debt, and Why It Matters to You.”

Top executives from global megabanks are usually very careful about how they defend both the continued existence, at current scale, of their organizations and the implicit subsidies they receive. They are willing to appear on television shows – and did so earlier this summer, pushing back against Sanford I. Weill, the former chief executive of Citigroup, after he said big banks should be broken up.

Typically, however, since the financial crisis of 2008 the heavyweights of the banking industry have stayed relatively silent on the key issue of whether there should be a hard cap on bank size.