Biographical note: Susan M. Wachter is Richard B. Worley Professor of Financial Management and Professor of Real Estate and Finance at The Wharton School of the University of Pennsylvania and Professor of City and Regional Planning at PennDesign. She codirects the Penn Institute for Urban...

In the fall of 2008, the world watched in horror as the U.S. housing finance system shattered, triggering a global financial panic and ultimately the Great Recession. Now, nearly a decade later, the long and slow housing recovery has reached a critical moment. Though the housing finance system...