We provide new evidence that credit supply shifts contributed to the U.S. subprime mortgage boom and bust. We collect original data on both government and private mortgage insurance premiums from 1999-2016, and document that prior to 2008, premiums did not vary across loans with widely different...

This paper explores the economic issues related to systemically important insurance companies, using an example from the Great Depression, the National Surety Company. National Surety was a large and diverse insurance company that experienced a major crisis in 1933 due to losses from its...

In this paper, I examine the effects of a countercyclical fiscal policy that gave firms additional tax refunds -- additional liquidity -- at the end of the past two recessions. I take advantage of a discontinuity in the slope of the tax refund formula to estimate the policy's impact. I find that...

The Great Moderation in the U.S. economy was accompanied by a widespread increase in the volatility of financial variables. We explore the sources of the divergent patterns in volatilities by estimating a model with time-varying financial rigidities subject to structural breaks in the size of...

The recent financial crisis has focused attention on identifying and measuring systemic risk. In this paper, we propose a novel approach to estimate the portfolio composition of banks as function of daily interbank trades and stock returns. While banks’ assets are reported to regulators...