Foreign currency borrowing is perceived as a source of financial instability in emerging markets. We propose a theory where liability dollarization arises from an insurance motive of domestic savers. Because financial crises are associated with currency depreciations, savers are reluctant to...

Financial crises typically arise because firms and financial institutions choose balance sheets that expose them to aggregate risk. We propose a theory to explain these risk exposures. We study a financial accelerator model where entrepreneurs can issue state-contingent claims to consumers. Even...

This paper documents, using county level data, some geographical features of the US business cycle over the past 30 years, with particular focus on the Great Recession. It shows that county level unemployment rates are spatially dispersed and spatially correlated, and documents how these...