The recent financial crisis has highlighted the key role of leveraged financial institutions as liquidity providers. We incorporate leveraged financial institutions into a dynamic general equilibrium portfolio choice model in order to analyze the dynamics of risk, leverage, liquidity and asset...

Recent crises have seen very large spikes in asset price risk without dramatic shifts in fundamentals. We propose an explanation for these risk panics based on self-fulfilling shifts in risk made possible by a negative link between the current asset price and risk about the future asset price....

While the 2008-2009 financial crisis originated in the United States, we witnessed steep declines in output, consumption and investment of similar magnitude around the globe. This synchronicity is surprising in the context of both existing theory and past business cycle experience. Theory...

In an influential contribution that predates the recent renewed interest in portfolio choice models of international capital flows, Kraay and Ventura (2000) o¤er a "new rule" for the current account that puts portfolio choice at the center of the analysis. The new rule says that in response to...

Motivated by the Chinese experience, we analyze a semi-open economy where the central bank has access to international capital markets, but the private sector has not. This enables the central bank to choose an interest rate different from the international rate. We examine the optimal policy of...

In the aftermath of the U.S. financial crisis, both a sharp drop in employment and a surge in corporate cash have been observed. In this paper, based on U.S. data, we document that the negative relationship between the corporate cash ratio and employment is systematic, both over time and across...