The roles of Fannie Mae and Freddie Mac have become increasingly controversial in the modern world of residential mortgage finance. We describe the special features of these two companies and their roles in the mortgage markets. We then discuss the controversies that surround them and offer...

This paper examines two major forces that may soon increase competition in the U.S. secondary conforming mortgage market: 1) the expansion of Federal Home Loan Bank mortgage purchase programs, and 2) the adoption of revised risk-based capital requirements for large U.S. banks (Basel II).(...)

Longstanding speculation about the likelihood of a housing market collapse has given way in the past few months to consideration of just how far the housing market will fall, and how much damage the debacle will inflict on the economy. This paper assesses the magnitude of the impact of housing...

Fannie Mae and Freddie Mac are government-sponsored enterprises that play a central role in U.S. residential mortgage markets. In recent years, policymakers became increasingly concerned about the size and risk-taking incentives of these two institutions. In September 2008, the federal...

This paper examines how the government-sponsored enterprises (GSEs) Fannie Mae and Freddie Mac, the largest investors in subprime private-label mortgage-backed securities (PLS), influenced the risk characteristics and prices of the deals in which they participated. To identify the causal effect...

We study how the Federal Reserve's quantitative easing (QE) influenced the behavior of Agency mortgage real estate investment trusts (REITs) - a set of institutions identified by the Financial Stability Oversight Council as posing systemic risk. We document that Agency mortgage REITs: [i] equity...

A central result in the theory of adverse selection in asset markets is that informed sellers can signal quality by delaying trade. This paper uses the residential mortgage market as a laboratory to test this mechanism. Using detailed, loan-level data on privately securitized mortgages, we find...