When Lehman Brothers filed for bankruptcy on September 15, 2008, it was the largest such filing in U.S. history and a huge shock to the world's financial markets, which were already stressed from the deflated housing bubble and questions about subprime mortgages. Lehman was the fourth-largest...

We survey the literature on securitization and lay out a research program for its open questions. Securitization is the process by which loans, previously held to maturity on the balance sheets of financial intermediaries, are sold in capital markets. Securitization has grown from a small amount...