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Working Paper
Villains or Scapegoats? The Role of Subprime Borrowers in Driving the U.S. Housing Boom
An expansion in mortgage credit to subprime borrowers is widely believed to have been a principal driver of the 2002–2006 U.S. house price boom. By contrast, this paper documents a robust, negative correlation between the growth in the share of purchase mortgages to subprime borrowers and house price appreciation at the county-level during this time. Using two different instrumental variables approaches, we also establish causal evidence that house price appreciation lowered the share of purchase loans to subprime borrowers. Further analysis using micro-level credit bureau data shows that ...
Report
Credit supply and the housing boom
The housing boom that preceded the Great Recession was the result of an increase in credit supply driven by looser lending constraints in the mortgage market. This view on the fundamental drivers of the boom is consistent with four empirical observations: the unprecedented rise in home prices, the surge in household debt, the stability of debt relative to home values, and the fall in mortgage rates. These facts are difficult to reconcile with the popular view that attributes the housing boom to looser borrowing constraints associated with lower collateral requirements. In fact, a slackening ...
Report
Local banks, credit supply, and house prices
I study the effects of an increase in the supply of local mortgage credit on local house prices and employment by exploiting a natural experiment from Switzerland. In mid-2008, losses in U.S. security holdings triggered a migration of dissatisfied retail customers from a large, universal bank, UBS, to homogeneous local mortgage lenders. Mortgage lenders located close to UBS branches experienced larger inflows of deposits, regardless of their investment opportunities. Using variation in the geographic distance between UBS branches and local mortgage lenders as an instrument for deposit growth, ...
Working Paper
Gross Migration, Housing and Urban Population Dynamics
Cities experience significant, near random walk productivity shocks, yet population is slow to adjust. In practise local population changes are dominated by variation in net migration, and we argue that understanding gross migration is essential to quantify how net migration may slow population adjustments. Housing is also a natural candidate for slowing population adjustments because it is difficult to move, costly to build quickly, and a large durable stock makes a city attractive to potential migrants. We quantify the influence of migration and housing on urban population dynamics using a ...
Working Paper
Do homeowners associations mitigate or aggravate negative spillovers from neighboring homeowner distress?
Experiences reveal that the monitoring costs of the foreclosure crisis may be nontrivial, and smaller governments may have more success at addressing potential negative externalities. One highly localized form of government is a homeowners association (HOA). HOAs could be well-suited for triaging foreclosures, as they may detect delinquencies and looming defaults through direct observation or missed dues. On the other hand, the reliance on dues may leave HOAs particularly vulnerable to members? foreclosure. We examine how property prices respond to homeowner distress and foreclosure within ...
Working Paper
Fracking and Mortgage Default
This paper ?nds that increased hydraulic fracturing, or "fracking," along the Marcellus Formation in Pennsylvania had a signi?cant, negative effect on mortgage credit risk. Controlling for potential endogeneity bias by utilizing the underlying geologic properties of the land as instrumental variables for fracking activity, we ?nd that mortgages originated before the 2007 boom in shale gas, were, post-boom, signi?cantly less likely to default in areas with greater drilling activity. The weight of evidence suggests that the greatest bene?t from fracking came from strengthening the labor ...
House Prices Surpass Housing-Bubble Peak on One Key Measure of Value
An index measuring the ratio of house price to rent has risen to its highest level since 1975. The previous peak occurred during the housing bubble.
Working Paper
Earthquakes and House Prices: Evidence from Oklahoma
This paper examines the impact of earthquakes on residential property values using sales data from Oklahoma from 2006 to 2014. Before 2010, Oklahoma had only a couple of earthquakes per year that were strong enough to be felt by residents. Since 2010, seismic activity has increased, bring potentially damaging quakes several times each year and perceptible quakes every few days. Using hedonic models, we estimate that prices decline by 3 to 4 percent after a home has experienced a moderate earthquake measuring 4 or 5 on the Modified Mercalli Intensity Scale. Prices can decline up to 9.8 percent ...
Working Paper
Liquidity Premia, Price-Rent Dynamics, and Business Cycles
n the U.S. economy during the past 25 years, house prices exhibit fluctuations considerably larger than house rents, and these large fluctuations tend to move together with business cycles. We build a simple theoretical model to characterize these observations by showing the tight connection between price-rent fluctuation and the liquidity constraint faced by productive firms. After developing economic intuition for this result, we estimate a medium-scale dynamic general equilibrium model to assess the empirical importance of the role the price-rent fluctuation plays in the business cycle. ...
Working Paper
Credit Score Doctors
We study how the existence of cutoffs in credit scores affects the behavior of homebuyers. Borrowers are more likely to purchase houses after their credit scores cross over a cutoff to qualify them for a higher credit score bin. However, the credit accounts of these individuals (crossover group) are more likely to become delinquent within four years following home purchases than the accounts of those who had stayed in the same bin (non-crossover group). The effect is not only concentrated in subprime bins, but in other bins as well. It is neither limited to pre-crisis period nor curtailed by ...