Measured as yield spreads against AAA corporate bonds, the convenience premium for agency MBS averaged 47 basis points between 1995 and 2021, about half of the long-term-Treasury convenience premium. Both the MBS convenience premium and the issuance amount vary negatively with the mortgage rate,...

This paper provides a model of the view that the 2008 financial crisis is reminiscent of a bank run, focusing on six stylized key features. In particular, core financial institutions have invested their funds in asset-backed securities rather than committed to long-term projects: In distress,...

Agency mortgage backed securities (MBS) with diverse characteristics are traded in parallel with individualized contracts in the specified pool (SP) market and with standardized contracts in the to-be-announced (TBA) market. We find that this unique parallel trading environment significantly...

Traditional liquidity measures can provide a false impression of the liquidity and stability of financial market trading. Using data on auctions (bids wanted in competition; BWICs) from the collateralized loan obligation (CLO) market, we show that a standard measure of liquidity, the effective...

This paper proposes a new valuation procedure of Mortgage Backed Securities (MBS). First, the optimal prepayment policy is obtained thanks to optimal stopping techniques. Then, the fraction of prepaid MBS is assumed to be driven by some characteristic distribution function of the di/erence...