A study by the Urban Institute (UI)
has found a strong correlation between the home price to income ratio in an
area and its rate of gentrification. The results are published on UI’s Urban
Wire blog in a post written by analysts Ellen Seidman, Jun Zhu, and Laurie
Goodman. The authors say it is important to understand what increases the pace
of gentrification, which they define as how fast high-income homebuyers move
into low-income neighborhoods.

Using data from the 2018 Home
Mortgage Disclosure Act and 2018 American Community Survey data, the researchers
examined the movement of high-income borrowers into low-income areas and the
varying pace of this movement across different metropolitan statistical areas
(MSAs). The focus was on income rather than homebuyers’ race or ethnicity as
that data was not available with sufficient granularity.

The authors first determined the prevalence
of high-income homebuyers in LMI areas, then examined the price-to-income
ratios (using area median incomes, or AMIs) in the 20 largest MSAs to get a
sense of housing supply challenges. Using new mortgages as a measure, they
found that nationally, high-income buyers (those earning above 120 percent of
the AMI) buy homes in LMI neighborhoods at a slightly higher rate (29 percent)
than their current ownership rate (26 percent) in those neighborhoods.

They also found that low-income
buyers, those earning up to 50 percent of the areas’ medians, buy in those
neighborhoods at a much lower rate than their current homeownership rates, 14
percent versus 31 percent. Moderate income households, those earning 50 to 80
percent of the median buy at higher rates (27 percent) than the current
ownership rate of 21 percent.

 

 

The biggest difference nationally
between new mortgages and current ownership rates is in the share of mortgage
borrowers in the low-income group.
There are comparatively few new mortgage borrowers
with low incomes relative to the share of current homeowners with those
incomes. The authors attribute this in part to the lack of supply of available
homes and of mortgages at the low end of the housing price spectrum.

They also found that the income
distribution of all homeowners and rents did not vary much across the MSAs in
their study, but the distribution of new mortgage borrowers in 2018 did. They
looked at the number of high-income borrowers in LMI neighborhoods in a few
MSAs, including Los Angeles and Chicago and found that, in cities with limited
housing supply, high-income homebuyers disproportionately seek out LMI areas.

Nationally, high-income households
represent 45 percent of homeowners, 48 percent of all 2018 borrowers, and 28
percent of 2018 borrowers in LMI areas. But in Los Angeles, the MSA with the
highest price-to-income ratio, 53 percent of current homeowners and 78 percent
of 2018 borrowers have high incomes.

And in LMI neighborhoods there was a
60 percent purchase rate by high-income borrowers, 7 points higher than the city-wide
rate, while current ownership was 38 percent. This could lead to rapid gentrification
in those areas.

Conversely, in Chicago, a city with a
price-to-income ratio in the bottom quartile nationally, the share of
high-income 2018 buyers in LMI areas is barely half the share of current
high-income owners in the city. In fact, the share of high-income borrowers in
LMI areas is slightly lower than the share of current high-income homeowners in
LMI areas.

 

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The figure above shows the
relationship between the price-to-income ratio and the share of recent
purchases by high-income borrowers in low-income neighborhoods for the 75
largest MSAs; a correlation the authors say, while not perfect, is high.

They also found the price-to-income
ratio is a more important determinant than is home price regarding the
propensity of high-income people to buy in LMI areas. The $909,000 median home
price in San Francisco far exceeds Los Angeles’s $699,000, but the latter’s 9.14
price-to-income ratio exceeds San Francisco’s 8.33 ratio, and a substantially
greater share of high-income households buy in LMI neighborhoods in Los
Angeles.

The authors say that in those areas
with high ratios even those with high income are stretching to buy a home and
are increasingly venturing into low-and median income neighborhoods
, making it difficult
for those lower incomes to buy there, especially as prices for low-price tier
homes have increased faster than more expensive ones. The high ratio areas also
tend to have lower homeownership rates than the national average, especially in
California, but New York and Miami also show signs of high-income movement into
LMI neighborhoods and somewhat depressed overall homeownership rates.

The authors conclude that
encouraging growth in the housing supply by easing restrictions on building and
boosting alternatives such as manufactured housing and accessory dwelling units,
the pace of gentrification could be slowed.

By Jann Swanson , dated 2020-07-08 08:37:02

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Courtesy of Mortgage News Daily

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