The near-failure on September 16, 2008, of American International Group (AIG) was an iconic moment in the financial crisis. The decision to rescue AIG was controversial at the time and remains so. Large bets on real estate pushed AIG to the brink of bankruptcy. In one case, AIG used securities...

By stepping between bilateral counterparties, a central counterparty (CCP) transforms credit exposure. CCPs generally improve financial stability. Nevertheless, large CCPs are by nature concentrated and interconnected with major global banks. Moreover, although they mitigate credit risk, CCPs...