While there is still much disagreement on the causes underlying recent emerging markets' crises, one factor that most observers have agreed upon is that contracting "dollar" (foreign currency) denominated external debt - as opposed to domestic currency debt - created balance sheet mismatches...

"I describe two amplifications mechanisms that operate during liquidity crises and discuss the scope for central bank policies during crises as well as preventive policies in advance of crises. The first mechanism works through asset prices and balance sheets. A negative shock to the balance...