As foreclosure initiations have soared over the past couple of years, many have questioned whether mortgage servicers have the right incentives to work out troubled subprime mortgages so that borrowers can avoid foreclosure and remain in their homes. Some critics claim that because servicers,...

A key feature of the 2007 financial crisis is that for some classes of securities trade has practically ceased. And where trade has occurred, it appears that market prices are well below their intrinsic values. This seems especially true for those securities where the payoff streams are...

Since the financial crisis of 2007-2009, policymakers have debated the need for a new toolkit of cyclical "macroprudential" policies to constrain the build-up of risks in financial markets, for example, by dampening credit-fueled asset bubbles. These discussions tend to ignore America's long and...

Fannie Mae and Freddie Mac are government-sponsored enterprises (GSEs) that purchase mortgages and issue mortgage-backed securities (MBS). In addition, the GSEs are active participants in the primary and secondary mortgage markets on behalf of their own portfolios of MBS. Because these...

Consumer bankruptcy laws, which vary across states and over time, permit debtors to keep assets below a statutory exemption while debts are forgiven. High exemptions distort household portfolio decisions and tempt households to default on debts, but they also provide a crude form of consumption...

Models featuring increasing returns to scale in at least one factor of production have been used to study two separate phenomena: (1) multiplicity of self-fulfilling rational expectations equilibria (i.e. sunspots), and (2) production schedules that optimally feature bunching. We show in a...