The ECB's efforts have greatly reduced the possibility of a Lehman-like shock, but policymakers elsewhere still fret about the ability of the Europeans to fend off the direst outcomes, not least because they seem unable to come up with any remedies besides fiscal austerity.
Lehman was one of the biggest commercial paper dealers, and its collapse sent shock waves through the short-term debt markets, limiting the ability of companies to raise short-term cash.