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Working Paper
Asset pooling, credit rationing, and growth
I study the effect of improved financial intermediation on the process of capital accumulation by augmenting a standard model with a general contract space. With the extra contracts, intermediaries endogenously begin using ROSCAs, or Rotating Savings and Credit Associations. These contracts allow poor agents, previously credit rationed, access to credit. As a result, agents work harder and total economy-wide output increases; however, these gains come at the cost of increased inequality. I provide sufficient conditions for the allocations to be Pareto optimal, and for there to be a unique ...
Working Paper
Financial Vulnerabilities, Macroeconomic Dynamics, and Monetary Policy
We define a measure to be a financial vulnerability if, in a VAR framework that allows for nonlinearities, an impulse to the measure leads to an economic contraction. We evaluate alternative macrofinancial imbalances as vulnerabilities: nonfinancial sector credit, risk appetite of financial market participants, and the leverage and short-term funding of financial firms. We find that nonfinancial credit is a vulnerability: impulses to the credit-to-GDP gap when it is high leads to a recession. Risk appetite leads to an economic expansion in the near-term, but also higher credit and a recession ...
Report
Supervisory stress tests
This article describes the background, design choices and particular details of stress tests used as part of an overall supervisory regime; that is, their formal integration into the process of the ongoing prudential supervision of banks and other large financial institutions. We then describe how the U.S. CCAR/DFAST regime is designed and what that means for the macroprudential vs. microprudential nature of the U.S. exercises. We argue routine stress tests have the potential to substantially change the nature of the supervisory process. In addition, we argue that a great deal depends on the ...
Conference Paper
Federal Reserve research on government-sponsored enterprises
Working Paper
The incentives of mortgage servicers: myths and realities
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, unlike investors, do not bear the losses associated with foreclosure, they have little incentive to modify troubled loans by reducing interest rates or principal, or by extending the term. Our analysis suggests that while servicers have substantially improved borrower outreach and increased loss ...
Working Paper
GSEs, mortgage rates, and secondary market activities
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 portfolios have grown quite large, portfolio purchases as well as MBS issuance are likely to be important forces in the mortgage market. This paper examines the statistical evidence of a connection between GSE actions and the interest rates paid by mortgage borrowers. We find that both portfolio purchases and ...
Report
Personal bankruptcy and credit market competition
The effect of credit market competition on borrower default is theoretically ambiguous, because the quantity of credit supplied may rise or fall following an increase in competition. We investigate empirically the relationship between credit market competition, lending to households, and personal bankruptcy rates in the United States. We exploit the exogenous variation in market contestability brought on by banking deregulation at the state level: after deregulation, banks faced the threat of entry into their state markets. We find that deregulation increased competition for borrowers, ...
Journal Article
Mutual funds and the U.S. equity market
Mutual funds have become an important intermediary between households and financial markets, especially the equity market. About half of all households have a mutual fund account, and mutual funds hold about one-fifth of household financial assets. Because households have favored equity investments in their mutual fund accounts, mutual funds currently hold about one-fifth of all publicly traded U.S. equities. In addition to discussing the recent growth of mutual funds and their role in household finances, this article analyzes the relationship between households' investment decisions in ...
Working Paper
The banking industry and the safety net subsidy
Governments use monetary policies to counteract the effects of financial crises. In this paper we examine the subsidy that such "safety net" policies provide to the banking industry. Using a model of uncertainty-driven financial crises, we show that any monetary policy designed to maintain risky investment in the face of investor uncertainty (and thus promote economic growth and stability) will subsidize the banking industry. In addition, we show that the mere presence of a monetary authority willing to support a failing banking system in bad times subsidizes the banking industry, even if ...