For globally systemically important banks (G-SIBs) with U.S. headquarters, we find large post-Lehman reductions in … market-implied probabilities of government bailout, along with big increases in debt financing costs for these banks after … controlling for insolvency risk. The data are consistent with significant effectiveness for the official sector's post-Lehman G …

conjecture for investment banking firms, but supporting evidence from the large number of studies focusing on commercial banks is … marshaled. The evidence on economies of scale is also imperfect, but it implies that breakup of the largest banks need not cause …