Yale University - Cowles Foundation
Lasse Heje Pedersen
Copenhagen Business School; New York University (NYU); AQR Capital Management, LLC; Centre for Economic Policy Research (CEPR)
November 1, 2011
Cowles Foundation Discussion Paper No. 1838
We discuss how leverage can be monitored for institutions, individuals, and assets. While traditionally the interest rate has been regarded as the important feature of a loan, we argue that leverage is sometimes even more important. Monitoring leverage provides information about how risk builds up during booms as leverage rises and how crises start when leverage on new loans sharply declines. Leverage data is also a crucial input for crisis management and lending facilities. Leverage at the asset level can be monitored by down payments or margin requirement or and haircuts, giving a model-free measure that can be observed directly, in contrast to other measures of systemic risk that require complex estimation. Asset leverage is a fundamental measure of systemic risk and so is important in itself, but it is also the building block out of which measures of institutional leverage and household leverage can be most accurately and informatively constructed.
Number of Pages in PDF File: 19
Keywords: Leverage, Loan to value, Margins, Haircuts, Monitor, Regulate, Leverage on new loans, Asset leverage, Investor leverage
JEL Classification: D52, D53, E44, G01, G10, G12
Date posted: December 2, 2011
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