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Working Paper
The Tradeoffs in Leaning Against the Wind
Credit booms sometimes lead to financial crises which are accompanied with severe and persistent economic slumps. Does this imply that monetary policy should ?lean against the wind? and counteract excess credit growth, even at the cost of higher output and inflation volatility? We study this issue quantitatively in a standard small New Keynesian dynamic stochastic general equilibrium model which includes a risk of financial crisis that depends on ?excess credit?. We compare monetary policy rules that respond to the output gap with rules that respond to excess credit. We find that leaning ...
Working Paper
Geopolitical Risk and Global Banking
How do banks respond to geopolitical risk, and is this response distinct from other macroeconomic risks? Using U.S. supervisory data and new geopolitical risk indices, we show that banks reduce cross-border lending to countries with elevated geopolitical risk but continue lending to those markets through foreign affiliatesâ unlike their response to other macro risks. Furthermore, banks reduce domestic lending when geopolitical risk rises abroad, especially when they operate foreign affiliates. A simple banking model in which geopolitical shocks feature expropriation risk can explain these ...
Working Paper
Estimating the Tax and Credit-Event Risk Components of Credit Spreads
This paper argues that tax liabilities explain a large fraction of observed short-maturity investment-grade (IG) spreads, but credit-event premia do not. First, we extend Duffie and Lando (2001) by permitting management to issue both debt and equity. Rather than defaulting, managers of IG firms who receive bad private signals conceal this information and service existing debt via new debt issuance. Consistent with empirical observation, this strategy implies that IG firms have virtually zero credit-event risk (at least until they become ?fallen angels"). Second, we provide empirical evidence ...
Working Paper
What Drives the Cross-Section of Credit Spreads?: A Variance Decomposition Approach
I decompose the cross-sectional variation of the credit spreads for corporate bonds into changing expected returns and changing expectation of credit losses with a model-free method. Using a log-linearized pricing identity and a vector autoregression applied to micro-level data from 1973 to 2011, I find that the expected credit loss component and the excess return component each explains about half of the variance of the credit spreads. Unlike the market-level findings in Gilchrist and Zakrajsek (2012), at the firm level, the expected credit loss is volatile and affects the firms' investment ...
Working Paper
The Bank as Grim Reaper : Debt Composition and Bankruptcy Thresholds
We offer a model and evidence that private debtholders play a key role in setting the endogenous asset value threshold below which corporations declare bankruptcy. The model, in the spirit of Black and Cox (1976), implies that the recovery rate at emergence from bankruptcy on all of the firm's debt taken together is increasing in the pre-bankruptcy share of private debt in all debt. Empirical evidence supports this and other implications of the model. Indeed, debt composition has a more economically material empirical influence on recovery than all other variables we try taken together.
Working Paper
Credit Default Swaps
Credit default swaps (CDS) are the most common type of credit derivative. This paper provides a brief history of the CDS market and discusses its main characteristics. After describing the basic mechanics of a CDS, I present a simple valuation framework that focuses on the relationship between conditions in the cash and CDS markets as well as an approach to mark to market existing CDS positions. The discussion highlights how the 2008 global financial crisis helped shape current practices and conventions in the CDS market, including the widespread adoption of standardized coupons and upfront ...
Working Paper
Consumer risk appetite, the credit cycle, and the housing bubble
We explore the role of consumer risk appetite in the initiation of credit cycles and as an early trigger of the U.S. mortgage crisis. We analyze a panel data set of mortgages originated between the years 2000 and 2009 and follow their performance up to 2014. After controlling for all the usual observable effects, we show that a strong residual vintage effect remains. This vintage effect correlates well with consumer mortgage demand, as measured by the Federal Reserve Board?s Senior Loan Officer Opinion Survey, and correlates well to changes in mortgage pricing at the time the loan was ...
Working Paper
Credit risk modeling in segmented portfolios: an application to credit cards
The Great Recession offers a unique opportunity to analyze the performance of credit risk models under conditions of economic stress. We focus on the performance of models of credit risk applied to risk-segmented credit card portfolios. Specifically, we focus on models of default and loss and analyze three important sources of model risk: model selection, model specification, and sample selection. Forecast errors can be significant along any of these three model-risk dimensions. Simple linear regression models are not generally outperformed by more complex or stylized models. The impact of ...
Working Paper
Bank Failures, Capital Buffers, and Exposure to the Housing Market Bubble
We empirically document that banks with greater exposure to high home price-to-income ratio regions in 2005 and 2006 have higher mortgage delinquency and charge-off rates and significantly higher probabilities of failure during the last financial crisis even after controlling for capital, liquidity, and other standard bank performance measures. While high price-to-income ratios present a greater likelihood of house price correction, we find no evidence that banks managed this risk by building stronger capital buffers. Our results suggest that there is scope for improved measures of mortgage ...