Credit spreads display occasional spikes and are more strongly countercyclical in times of financial stress. Financial crises are extreme cases of this nonlinear behavior, featuring skyrocketing credit spreads, sharp losses in bank equity, and deep recessions. We develop a macroeconomic model...

We show that a model with imperfectly forecastable changes in future productivity and an occasionally binding collateral constraint can match a set of stylized facts about "sudden stop" events. "Good" news about future productivity raises leverage during times of expansion, increasing the...

We use a two-country New Keynesian model with balance sheet constraints to investigate the magnitude of international spillovers of U.S. monetary policy. Home borrowers obtain funds from domestic households in domestic currency, as well as from residents of the foreign economy (the United...

We explore how the sources of shocks driving interest rates, country vulnerabilities, and central bank communications affect the spillovers of U.S. monetary policy changes to emerging market economies (EMEs). We utilize a two-country New Keynesian model with financial frictions and partly...