Banks and investors, fearful of being contaminated by these toxic assets, were hoarding cash and refusing to make loans of almost any kind. It wasn’t clear which banks had the most subprime exposure, so banks were assumed guilty until proven innocent. It had all the hallmarks of the early 1930s—confidence in the global financial system was rapidly eroding, and liquidity was evaporating. The famous nineteenth-century dictum of Walter Bagehot came to mind: “Every banker knows that if he has to prove that he is worthy of credit, however good may be his arguments, in fact his credit is gone.”
