While most economists agree that the world is facing the worst economic crisis since the Great Depression, there is little agreement as to what caused it. Some have argued that the financial instability we are witnessing is due to irrational exuberance of market participants, fraud, greed, too...

We explore how a relatively small amount of heterogeneous securities created turmoil in financial markets in much of the world in 2007 and 2008. The drivers of the financial turmoil and the financial crisis of 2008 were heterogeneous securities that were hard to value. These securities created...

Stress testing has recently become a critical risk management and capital planning tool for large financial institutions and their supervisors around the world. However, the one prior U.S. experience tying stress test results to capital requirements was a spectacular failure: the Office of...

We study how the Federal Reserve's quantitative easing (QE) influenced the behavior of Agency mortgage real estate investment trusts (REITs) - a set of institutions identified by the Financial Stability Oversight Council as posing systemic risk. We document that Agency mortgage REITs: [i] equity...

Longstanding speculation about the likelihood of a housing market collapse has given way in the past few months to consideration of just how far the housing market will fall, and how much damage the debacle will inflict on the economy. This paper assesses the magnitude of the impact of housing...

This paper investigates how balance sheet opacity affects banks' risk-taking behavior. We measure bank balance sheet opacity according to two metrics: the ratio of available-for-sale (AFS) securities and the ratio of off-balance sheet items. We show that balance sheet opacity is positively...

We use administrative and supervisory data at the bank and loan level to investigate the impact of the introduction of covered bonds on the composition of bank balance sheets and bank risk. Covered bonds, despite being collateralized by mortgages, lead to a shift in bank lending from mortgages...

We show that nonbanks (funds, shadow banks, fintech) affect the transmission of monetary policy to output, prices and the distribution of risk via credit supply. For identification, we exploit exhaustive US loan-level data since the 1990s, borrowerlender relationships and Gertler-Karadi monetary...

We show that nonbank lenders act as global shock absorbers from US monetary policy spillovers. We exploit loan-level data from the global syndicated lending market and US monetary policy surprises. When US policy tightens, nonbanks increase dollar credit supply to non-US firms (relative to...

The agency conflicts inherent in securitization are viewed by many as having been a key contributor to the recent financial crisis, despite the presence of various legal and economic constructs to mitigate them. A review of recent empirical research for the U.S. home mortgage market suggests...