We study the marginal tax rate incorporated into short-term tax-exempt municipal rates using a unique new data set from the municipal swap market. By applying an affine term-structure framework, we are able to identify both the marginal tax rate and the credit/liquidity spread in one-week...

We study the optimal recursive refinancing problem where a borrower minimizes his lifetime mortgage costs by repeatedly refinancing when rates drop sufficiently. Key factors affecting the optimal decision are the cost of refinancing and the possibility that the mortgagor may have to refinance at...

There are many examples of markets where an agent who wants to get out of an investment position quickly may find himself trapped and forced to remain in that position because of a lack of liquidity. What are the asset-pricing implications when agents cannot always buy and sell assets...

We examine whether there is a flight-to-liquidity premium in Treasury bond prices by comparing them with prices of bonds issued by Refcorp, a U.S. Government agency, which are guaranteed by the Treasury. We find a large liquidity premium in Treasury bonds, which can be more than fifteen percent...

"We study the pricing of collateralized debt obligations (CDOs) using an extensive new data set for the actively-traded CDX credit index and its tranches. We find that a three-factor portfolio credit model allowing for firm-specific, industry, and economywide default events explains virtually...