The sensitivity of housing demand to mortgage rates and available leverage is key to understanding the effect of monetary and macroprudential policies on the housing market. However, since there is generally no exogenous variation in these variables that is independent of confounding factors...

We study the evolution of US mortgage credit supply during the COVID-19 pandemic. Although the mortgage market experienced a historic boom in 2020, we show there was also a large and sustained increase in intermediation markups that limited the pass-through of low rates to borrowers. Markups...

We document wide dispersion in the mortgage rates that households pay on identical loans, and show that borrowers' financial sophistication is an important determinant of the rates obtained. We estimate a gap between the 10th and 90th percentile mortgage rate that borrowers with the same...

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...

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 dataset, we find that the...

Technology-based ("FinTech") lenders increased their market share of U.S. mortgage lending from 2% to 8% from 2010 to 2016. Using market-wide, loan-level data on U.S. mortgage applications and originations, we show that FinTech lenders process mortgage applications about 20% faster than other...

We study the evolution of US mortgage credit supply during the COVID-19 pandemic. Although the mortgage market experienced a historic boom in 2020, we show there was also a large and sustained increase in intermediation markups that limited the pass-through of low rates to borrowers. Markups...

This paper measures the effects on the primary U.S. mortgage market of the large-scale asset purchase (LSAP) program in which the Federal Reserve bought $1.25 trillion of mortgage-backed securities in 2009 and 2010. We use an event-study approach and measure the movements in both prices and...