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Working Paper
Incomplete markets and trade
In this paper, we show that incomplete markets lead to trade imbalances. We use a two-period general equilibrium model with countries composed of heterogeneous households. We look at a world where, when markets are complete, countries engage in balanced trade and we show that when some of those markets are absent, trade imbalances emerge. Market incompleteness across countries causes trade imbalances because national income in some countries is more sensitive to risky asset payoffs than in others. Market incompleteness within countries causes trade imbalances because superior risk-sharing in ...
Working Paper
Subprime mortgages, foreclosures, and urban neighborhoods
This paper analyzes the impact of the subprime mortgage crisis on urban neighborhoods in Massachusetts. We explore the topic using a data set that matches race and income information from Home Mortgage Disclosure Act data with property-level, transaction data from Massachusetts Registry of Deeds offices. With these data, we show that much of the subprime lending in the state was concentrated in urban neighborhoods and that minority homeownerships created with subprime mortgages have proved exceptionally unstable in the face of rapid price declines. The evidence in Massachusetts suggests that ...
Report
Lessons Learned from Mortgage Borrower Policies and Outcomes during the COVID-19 Pandemic
This article reviews the aid offered to the roughly 50 million homeowners with mortgages included in a forbearance program, and the Federal Reserve’s actions that pushed down mortgage rates, allowing many mortgage holders to reduce their monthly payments by refinancing. We deem these policies to be quite effective in relieving financial distress and allowing homeowners to stay in their homes, especially in contrast with the policies pursued during the Great Recession. We emphasize that these policies in part worked because of rising housing prices and home equity, before and during the ...
Working Paper
Technological innovation in mortgage underwriting and the growth in credit, 1985–2015
The application of information technology to finance, or ?fintech,? is expected to revolutionize many aspects of borrowing and lending in the future, but technology has been reshaping consumer and mortgage lending for many years. During the 1990s, computerization allowed mortgage lenders to reduce loan-processing times and largely replace human-based assessments of credit risk with default predictions generated by sophisticated empirical models. Debt-to-income ratios at origination add little to the predictive power of these models, so the new automated underwriting systems allowed higher ...
Discussion Paper
Subprime facts: what (we think) we know about the subprime crisis and what we don’t
Using a variety of datasets, we document some basic facts about the current subprime crisis. Many of these facts are applicable to the crisis at a national level, while some illustrate problems relevant only to Massachusetts and New England. We conclude by discussing some outstanding questions about which the data, we believe, are not yet conclusive.
Report
The time-varying price of financial intermediation in the mortgage market
The U.S. mortgage market links homeowners with savers all over the world. In this paper, we ask how much of the flow of money from savers to borrowers goes to the intermediaries that facilitate these transactions. Based on a new methodology and a new administrative data set, we find that the price of intermediation, measured as a fraction of the loan amount at origination, is large?142 basis points on average over the 2008-14 period. At daily frequencies, intermediaries pass on price changes in the secondary market to borrowers in the primary market almost completely. At monthly frequencies, ...
Report
Addressing Housing Shortages through Tax Abatement
Rising rents, often attributed to a shortage of available housing, spotlight the urgent need to accelerate housing construction, particularly in Boston and other “superstar cities” where rents have been rising acutely. This report looks at the potential efficacy and costs of one particular policy option to jump-start residential construction: incentivizing developers to build by granting them tax abatements for new construction.
Working Paper
What explains differences in foreclosure rates? a response to Piskorski, Seru, and Vig
In this note we discuss the findings in Piskorski, Seru, and Vig (2010) as well as the authors' interpretation of their results. First, we find that small changes to the set of covariates used by Piskorski, Seru, and Vig significantly reduce the magnitude of the differences in foreclosure rates between securitized and nonsecuritized loans. Second, we argue that early payment defaults (EPD) are not a valid instrument for the securitization status of the loans and that the empirical implementation chosen by the authors for using EPD is not a valid instrumental variables approach. Finally, we ...
Working Paper
Report on the Potential Impacts of Property Tax Abatement on Rental Housing Construction in Boston
Boston’s high housing costs reflect a historic failure to build enough units to satisfy demand. Interest rates and construction costs have risen recently, and the flow of new market-rate residential housing projects has slowed. To spur more construction, the City of Boston is considering various policy options. Our committee was asked by Boston Mayor Michelle Wu to assess the market impacts of one of these options: real estate tax abatements. This report presents our analysis of the likely effects on the number of units constructed and the costs to taxpayers of various tax abatement ...