We study complexity in the market for securitized products, a market at the heart of the financial crisis of 2007-2009. The complexity of these products rose substantially in the years preceding the financial crisis. We find that securities in more complex deals default more and have lower...

We provide an analytic valuation framework to value second mortgages and first lien mortgages when owners can take out a second lien. We then use the framework to value mortgage-backed securities (MBS) and, in particular, quantify the greater risk associated with MBS backed by first liens that...

We survey the properties of commercial real estate (CRE) as an asset class. We first illustrate its importance relative to the US economy and to other asset classes. We then discuss CRE ownership patterns over time. While the academic literature has emphasized Real Estate Investment Trusts,...