Mortgage-backed securities (MBS) funded the U.S. housing bubble, while the ensuing bust resulted in systemic risk and the global financial crisis of 2007-09. In the run-up to the crisis, MBS pricing failed to reveal the growing credit risk. This article draws lessons from this failure that could...

Pledging collateral to secure loans is a prominent feature in financing contracts around the world. Existing theories disagree on why borrowers pledge collateral. It is even more challenging to understand why in some countries collateral coverage exceeds, e.g., 300% of the value of a loan. This...