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ORIGINAL PAPER
Financial Sophistication and Housing Leverage Among OlderHouseholds
Hyrum L. Smith • Michael S. Finke •
Sandra J. Huston
Published online: 14 February 2012
� Springer Science+Business Media, LLC 2012
Abstract Increasing mortgage debt among older house-
holds has been cited as evidence of financial distress
caused by low financial knowledge, poor lending practices,
and an increased appetite for debt. This paper investigates
whether housing leverage among older households is
related to financial sophistication, tax effects, and a desire
to increase portfolio allocation to risky assets. Results
indicate a time trend in low housing leverage, but no trend
in high housing leverage. While housing leverage increases
with liquidity constraints, it also increases with financial
sophistication, and tax and portfolio incentives are strongly
related to high housing leverage. The incentive to borrow
against home value created by the deductibility of mort-
gage interest appears to encourage greater housing leverage
and vulnerability to housing price shocks.
Keywords Debt � Financial sophistication � Leverage �Mortgage � Older
Introduction
Mortgage debt and housing leverage among older house-
holds have steadily increased over the last two decades. The
percent of homeowners between ages 55 and 64 who held
no mortgage debt declined from 54 to 39% between 1989
and 1998, and mean housing debt among those aged 65–74
increased sharply (Masnick et al. 2006). Households headed
by an individual 65 or older who had a mortgage increased
from 20% in 1995 to 30% in 2007 (Stafford and Gouskova
2010). Median mortgage debt secured by a personal resi-
dence (adjusted for inflation to year 2007) increased from
$50,000 in 1995 to $85,000 in 2007 for households headed
by an individual aged 55–64, from $25,700 to $69,000 for
households headed by an individual aged 65–74, and from
$15,800 to $40,000 for households headed by an individual
aged 75 and above (Federal Reserve Board 2010). There is
increasing concern, especially in light of the recent housing
crisis, that rising mortgage debt among older households is
a prelude to foreclosure or financial distress during retire-
ment (Munnell and Soto 2008; Shelton 2008). Between
1991 and 2007, the percentage change in bankruptcy peti-
tioners increased by 151 and 178% respectively among
households aged 55–64 and 65–74 (Thorne et al. 2008).
This increase in housing debt among older households is
commonly viewed as a reflection of a reduced preference
for thrift, or a ‘‘new attitude of debt tolerance that obliter-
ates budgets and savings’’ fueled by ‘‘easy credit and hard
economic times’’ (Marmon 2003 p. 1).
However, the increasing use of mortgage debt among
aging households is difficult to reconcile with cohort evi-
dence that older households, and in particular older baby
boomers, have greater wealth than previous age cohorts
and appear to invest in a more sophisticated financial
portfolio (Finke et al. 2006). If older, more risk-tolerant
households are better aware of tradeoffs among financial
assets, including the use of financial leverage and different
tax incentives, it may be rational for older households to
use mortgage debt for more sophisticated borrowing
H. L. Smith (&)
Department of Agricultural and Applied Economics, Virginia
Tech, 315 Hutcheson Hall, Blacksburg, VA 24061, USA
e-mail: [email protected]
M. S. Finke � S. J. Huston
Department of Personal Financial Planning, Texas Tech
University, Box 41210, Lubbock, TX 79409, USA
e-mail: [email protected]
S. J. Huston
e-mail: [email protected]
123
J Fam Econ Iss (2012) 33:315–327
DOI 10.1007/s10834-012-9293-4
strategies. For example, tax deferral on retirement accounts
has been shown to increase the expected return on invest-
ment assets (Amromin et al. 2007; Engen and Gale 1997),
leading to a higher optimal portfolio share in sheltered
accounts. This and an increased willingness to invest in
equities within these accounts led to riskier portfolios
among the more financially sophisticated and risk-averse
baby boom cohort (Calvet et al. 2009; Center for Retire-
ment Research 2009; Dammon et al. 2004; Follain and
Melamed 1998).
This study investigates whether greater housing leverage
among older households is related to financial sophistica-
tion, tax effects that reduce the cost of borrowing against
one’s home, and a desire to increase portfolio allocation
held in risky assets. We focus on the period leading up to
the mortgage crisis and test the hypothesis that housing
leverage among households with at least one individual age
55 or older is positively affected by financial sophistica-
tion, tax variables that reduce the after-tax cost of mortgage
borrowing, and larger portfolio allocations to risky assets.
Similar to other studies that have used age 55 or older as a
cutoff point to investigate financial decisions among older
households (Dammon et al. 2004; Lusardi et al. 2009;
Masnick et al. 2006; Thorne et al. 2008), we restrict our
sample to households with a head (or spouse) at least
55 years old in order to investigate determinants of housing
leverage among households who are at or near the average
age of retirement in the US.
Literature Review
Life Cycle and Other Demographic Factors
Previous literature has primarily explored the potential
problems associated with increased mortgage debt among
older households. For example, in discussing household
and mortgage debt among older households, Lee et al.
(2007) highlighted the risk of increased mortgage debt
among older households to economic well-being during
retirement years. Masnick et al. (2006) suggested that the
increasing housing debt burden would likely lead to
reduced welfare among older households, causing them to
work longer than expected or to reduce consumption dur-
ing retirement. When reporting the increase in mortgage
debt among older households, news media often focus on
the risks or negative aspects of being highly leveraged in
housing during retirement (Bayot 2004).
Life Cycle Hypothesis
The life cycle hypothesis (Ando and Modigliani 1963)
predicts that a household will transfer earnings or resources
from periods where the marginal utility from consumption
is relatively low, such as during peak working years, to
periods where the marginal utility from consumption is
relatively high, such as during retirement years. A simpli-
fied version of life cycle theory implies that households in
the middle of the life cycle save or pay down debt in
anticipation of the decline in income during retirement
years. By paying down mortgage debt, a household is able
to free up future resources that would have otherwise been
required to meet obligations, and thus reduce consumption,
in future years. In contrast, not saving sufficiently or not
paying down mortgage debt prior to retirement reduces
resources available for consumption during retirement
years and budget flexibility. Several studies have shown
that age tends be negatively related to mortgage debt and
relative measures of leverage in housing debt such as the
loan-to-value (LTV) ratio (Chen and Jensen 1985; LaCour-
Little 2007; Li 2005; Nothaft and Chang 2004; Yilmazer
and DeVaney 2005). While older households may seek to
withdraw equity from the value of their homes in an effort
to fund consumption during retirement through refinancing,
taking out a loan, using reverse mortgages, or establishing
a line of credit, older households were often less likely to
do so given the high fees and potential borrowing limita-
tions (Sinai and Souleles 2007).
In addition to age, liquidity constraints also influence a
household’s allocation of resources throughout a lifetime
(Bryant and Zick 2006). Liquidity constrained households,
who are more limited in their ability to borrow from future
earnings to smooth consumption, will be less inclined to
pay down mortgage debt since doing so would lock even
more of their assets into illiquid housing.
Other Demographic Factors
Employed households may have greater human capital
(HC) on which to borrow, and may have a greater incentive
to borrow to meet consumption needs (Lee et al. 2007).
Similarly, formal education (all else equal) increases bor-
rowing capacity given the greater HC and may indicate a
steeper pre-retirement earnings path.
The presence of children should increase optimal
housing leverage by increasing the marginal utility from
current consumption relative to the future, and therefore
the propensity to borrow or maintain outstanding debt.
While Lee et al. (2007) found that minorities and unmar-
ried households were more likely to borrow, especially
after controlling for liquidity constraints, there is little
theoretical explanation for the effect of race and marital
status on mortgage borrowing. Households with substantial
financial net worth have more resources to pay down
mortgage debt and may have less household leverage when
the income tax incentive effect is controlled.
316 J Fam Econ Iss (2012) 33:315–327
123
Tax Leverage Factors
Mortgage Interest Tax Deductibility
The tax deductibility of mortgage interest could further tilt
optimal portfolios away from housing equity and toward
other investments by creating a tax shield on household debt.
The addition of a tax shield on these other investments
creates an even stronger incentive to increase housing
leverage in order to shift assets into higher yielding invest-
ments. Consistent with the use of mortgage debt to indirectly
finance investments, Engen and Gale (1997) found that
increases in 401(k) plan assets are generally offset by
increases in mortgage debt and decreases in home equity.
Follain and Melamed (1998) and Amromin et al. (2007)
described how the tax shield on mortgage debt creates an
arbitrage opportunity for certain households. Households
with a sufficiently high marginal tax rate can increase
mortgage debt, deduct the interest when itemizing, and shift
the mortgage debt to a sheltered investment to yield a net
after-tax gain. This arbitrage opportunity is greatest among
households with the highest marginal tax rates.
Allocation to Risky Assets
As households age, the optimal percentage allocated to
stocks within a portfolio has been shown to decline as HC is
exhausted (Ameriks and Zeldes 2004; Bodie et al. 1992;
McCarthy 2004). However, older households tend to benefit
from maintaining a respectable allocation to equities. For
example, using Monte Carlo simulation analysis and rea-
sonable investment return assumptions to determine opti-
mal portfolio allocation, Dammon et al. (2004) reported the
average overall proportion of equity within a portfolio for
households at least 55 years of age is predicted to be no
smaller than 53%. Lai (2008) contended that increased
appetite for equities among older households is further
justified by the desire to protect inflation and mitigate lon-
gevity risk (the risk of outliving assets).
It is possible that older households rationally choose to
increase or maintain an optimal housing LTV ratio. Inves-
tors with greater risk tolerance, more wealth, or longer
investment horizons have an optimal portfolio that includes
a relatively large share in risky assets. Home equity acts as a
bond within a household portfolio that appreciates at
roughly the rate of inflation over extended periods of time
and provides a consumption stream of housing services.
Large home equity as a proportion of total household assets
can crowd out wealth available to invest in riskier assets,
leading to a suboptimal portfolio (Coco 2005). Curcuru
(2005) reported that in 2001 approximately half of seniors’
total net assets were invested in a primary residence. Further,
the percentage of direct or indirect stock holdings as a share
of financial assets increased from 44.8% in 1995 to 54.6% in
2007 for households headed by an individual aged 55–64,
35.8 to 55.3% for households headed by an individual aged
65–74, and from 39.8 to 48.1% for households headed by an
individual aged 75 and above (Federal Reserve Board 2010).
This increasing stock participation was coupled with
increasing mortgage debt held by seniors. The size of a loan
secured by a senior’s primary residence more than tripled
between 1989 and 2001, and the portion of seniors using
their home as collateral increased by 20% (Curcuru 2005).
From 1995 to 2007 median debt secured by a primary resi-
dence (inflation adjusted to 2007) increased 70% among
households headed by an individual aged 55–64, 269%
among households headed by an individual aged 65–74, and
over two and a half times among households headed by an
individual aged 75 and above (Federal Reserve Board 2010).
Housing leverage can be used to create optimal house-
hold portfolios by shifting assets from lower- to higher-risk
investments. Several studies have shown the positive
relationship between mortgage debt and riskier assets such
as stock holdings (Coco 2005; Heaton and Lucas 2000),
while others have illustrated the benefit of increasing
mortgage debt in order to allocate a greater percentage of
household portfolio to stocks (Flavin and Yamashita 2002;
Waggle and Johnson 2009).
Financial Sophistication
Financial Sophistication: A Form of Personal Finance-
Related HC
Understanding the portfolio benefits of leveraging home
equity in order to increase risky asset share requires an
advanced knowledge of both tax law and portfolio theory.
The ability to make effective financial choices is a form of
acquired HC representing the knowledge and skills avail-
able to enhance productivity in financial decision making.
Becker (1964) described HC as a function of goods and
services, time, and current stock of HC.
In theory, a household increases its current productivity
or stock of HC through investments of time and in goods
and services. Smart (2003) further divided a household’s
current HC stock into two types—acquired and endowed.
Endowed HC represents the natural ability of a household
that cannot be increased through investment in goods or
services and time. Examples include an individual’s cog-
nitive ability or physical strength. This innate ability redu-
ces the time, t, and therefore cost (i.e., foregone wages)
associated with acquiring or attaining more HC. Acquired
HCHC represents the knowledge, skills, or enhanced pro-
ductivity an individual can achieve through investment in
time and goods or services. Similarly, personal finance-
related HC, or the degree of financial sophistication an
J Fam Econ Iss (2012) 33:315–327 317
123
individual has attained, can be conceptualized as a function
of both endowed HC, such as intelligence, and acquired HC
developed through investment in time and services to
understand and take advantage of more sophisticated
financial opportunities.
Financial Sophistication and Decision Making
Financial sophistication among Americans has been shown
to be low as evidenced by results from the 2009 National
Financial Capability Study prepared for FINRA (Applied
Research and Consulting LLC 2009). According to Lusardi
et al. (2009), using data from the 2008 Health and Retirement
Study, on average Americans over the age of 55 lacked even
a basic understanding of stock and bond prices, investment
fees, risk diversification, and portfolio choice; however, there
was a variation in financial sophistication based on gender,
education, age, and race/ethnicity. Respondents who were 75
and over, women, less educated, and non-white tend to have
the least HC specific to personal finance.
Households with a greater degree of financial sophisti-
cation, i.e., stocks of personal finance-related HC, are
better equipped to navigate the complexity inherent to
financial markets and demonstrate better financial out-
comes. For example, individuals who were more finan-
cially sophisticated were more likely to plan for retirement
(Lusardi and Mitchell 2006, 2007a, b) and more likely to
invest in stocks (van Rooij et al. 2007).
Similarly, other studies have provided evidence that
more financially sophisticated households are more likely to
make better borrowing decisions. In administering a finan-
cial literacy quiz to a nationwide sample Hilgert and Ho-
garth (2002) found that 81% correctly answered questions
about mortgages and 65% correctly answered questions
about credit cards. Lusardi and Tufano (2009) reported that
the ability to understand interest compounding and other
debt related concepts was low among Americans and that
less debt literate individuals tend to incur higher fees and
high-cost borrowing. Moore (2003) similarly found that less
financially sophisticated individuals were more likely to
hold costly mortgages. Financial knowledge has been
shown to be positively correlated with more responsible
credit card use (Allgood and Walstad 2011; Robb 2011).
Campbell (2006) reported that lower-income and less edu-
cated individuals were more likely to refinance their mort-
gages at inopportune times and concluded that this was due
being less financially literate. Despite the research that has
been performed on the relationship between financial
sophistication and household debt decisions, we are not
aware of any research that has investigated the relationship
between financial sophistication and housing leverage.
Tax arbitrage and portfolio theory provide possible
explanations for increased housing debt among older
households. More financially sophisticated households are
better able to recognize benefits of using subsidized home
borrowing to increase investments in sheltered accounts
and shift their portfolio toward equity investments. The
greatest benefits from using mortgage debt as a tax shield
accrue to households with the highest taxable income. We
hypothesize that older households who recognize and
benefit from rationally increasing housing leverage will
have marginally greater housing debt and be more likely to
be highly leveraged.
Method
Data
The factors associated with housing leverage among older
Americans were tested using data from the 1995, 1998,
2001, 2004, and 2007 administrations of the surveys of
consumer finances (SCF). The SCF is a triennial cross-
sectional survey sponsored by the Federal Reserve Board
(FRB) and is one of the richest sources of household bal-
ance sheet information. The SCF contains detailed infor-
mation on mortgages and loans, value of housing, equity
and business holdings, and other household demographic
information helpful for examining the role of financial
sophistication and the use of housing leverage considering
tax advantages and portfolio choice.
The SCF is based on a dual-frame sample design of
households within the United States. The first frame is a
sample of households selected using a multi-stage area
probability approach intended to provide coverage of
characteristics, such as homeownership, that are found
among the majority of the population. The second frame is
a sample of relatively wealthy households selected dis-
proportionately from a stratified list sample of households
obtained from tax records provided by the Statistics of
Income Division of the Internal Revenue Service (SOI).
Given the oversampling of wealthy respondents, descrip-
tive data in this survey were appropriately weighted using
the SCF sampling weights provided by the FRB to generate
nationally representative statistical estimates. Further, the
SCF uses multiple imputation to estimate five values for
each missing data or response where each individual
imputation is essentially drawn from an estimated distri-
bution of the missing data conditioned on those variables
where responses are given. These imputed values are then
combined with the other variables without missing values,
which results in five data sets for each SCF year included
in this study. Given the use of multi-imputed data, the
repeated-imputation inference technique was used to
appropriately include all available data and in order to not
bias results (Montalto and Sung 1996).
318 J Fam Econ Iss (2012) 33:315–327
123
Sample
The total number of households interviewed was 4299 in
1995, 4305 in 1998, 4442 in 2001, 4519 in 2004 and 4418
in 2007. Given the focus of this study, data from all five
survey years were pooled and then restricted to include
only households that owned at least one residence and had
a head (or spouse) at least 55 years of age. Restricting to
those at least 55 years of age allowed us to include a range
of older households—those approaching retirement and
those already retired—to better determine factors that
contribute to increased mortgage debt or housing leverage
among older households. The final sample included 7,458
households and all financial data were represented in terms
of 2007 dollars (by adjusting all previous year financial
amounts to the year 2007 using the Current Price Index for
all urban consumers (CPI-U-RS) and algorithm coding
provided by the FRB1).
Regression Models and Variables
To compare households with higher housing leverage to
households with no housing leverage, a multinomial logistic
regression model was used for the multivariate analysis.
Ordinal logistic regression models were also estimated
but not reported since the test for the proportional odds
assumption failed, i.e., the coefficients for the independent
variables are constant when comparing no leverage house-
holds (LTV ratio = 0%) to low leverage (0 \ LTV \ 50%)
or high leverage households (LTV [ 50%) (the v2 Score
Test rejected the null hypothesis of proportionality).
Multinomial logistic regression explores how a change
in the independent variables affects the likelihood of
belonging in one of the two higher housing leverage groups
relative to the no leverage group. Two multinomial logistic
models were included, one without tax effect variables and
one with tax effect variables. Given that this study was
primarily interested in understanding the structural rela-
tionship between independent variables and the dependent
variable of housing leverage, the multinomial regression
results were unweighted (although the descriptive statistics
displayed in this study were weighted given our primary
interest in this case of estimating descriptions of the
national population). Further discussion on the issue of
weighting regressions and descriptive statistics can be
found in the SCF codebook under the Analysis Weights
section for the most recent 2007 SCF year. Variable
measures for the dependent and independent variables were
created as follows.
Dependent Variable
The dependent variable had three nominal categories:
whether the household had no housing leverage or a home
LTV equal to 0%, a lower housing leverage or a LTV ratio
greater than 0% but less than 50%, or high housing
leverage or a LTV ratio at least 50%. For multinomial
logistic regression purposes, the baseline category (to
which the groups are compared) was the no leverage group.
In calculating LTV ratios, home loans were measured as
total housing debt including the value of mortgages, home
equity loans, home equity lines of credit, and any other
loans secured by the residence. Home values were mea-
sured as the estimated fair market value of personal resi-
dences reported by the respondent. Only the loans and
values of the primary residence and second residence with
the highest value were used to calculate the LTV ratio
since interest on debt secured by residences is only
deductible for qualified residences, which can only include
a principal and one other residence.2
A household with a LTV ratio of at least 50% was
determined to be highly leveraged since a typical house-
hold, who might enter a 30 year fixed-rate mortgage in
their early thirties, is predicted to typically have at least
50% of the mortgage paid off by the time they turn
55 years of age (assuming scheduled payments are made
and no refinancing occurs).3 While households may hold
the same mortgage for a smaller amount of time by
choosing to refinance, which occurred particularly in the
early 2000s when interest rates were low (Canner et al.
2002), the average age in which a household has their
mortgage paid off is 49 (Coulibaly and Li 2006). Thus,
using a LTV ratio of 50% for the threshold is conservative
as a measure of high housing leverage since the loan bal-
ance typically does not increase but home equity does tend
to increase over an extended period of time. Further, as a
robustness check, multinomial logistic regression results
using cutoff points of 25 and 75% for the higher leverage
group were also used and yielded similar results (direction
and statistical significance of coefficients of key variables
1 The SAS statistical program used to adjust financial amounts to the
year 2007 and create net worth and other related variables is located at
the Federal Reserve Board’s website http://www.federalreserve.gov/
pubs/oss/oss2/bulletin.macro.txt (accessed October 6, 2011).
2 Refer to the Internal Revenue Code §163(h) for further details on
the deductibility of mortgage interest related to qualified residences.3 For example, a household whose head is 30 years old when it enters
a 7.50% 30 year fixed-rate mortgage after making a 20% down
payment should have at least 50% of the original value of the home
paid off on its mortgage slightly after 19 years or turning 49 years of
age (below the 55 years of age used for restricting the sample in this
study). 7.53% was the average 30 year fixed-rate mortgage rate as
reported by Freddie Mac for the SCF years used in this study.
J Fam Econ Iss (2012) 33:315–327 319
123
were the same) as shown in this paper using the 50% cut
off point for the highly leveraged group.
Independent Variables
Life Cycle Variables Among the restricted sample of
households of homeowners with a head or spouse who is at
least 55 years of age, younger households were opera-
tionalized as those who had a head or spouse at least
55 years of age but less than 65 (coded 1), otherwise the
household was considered to be older (coded 0). A
household was considered to be liquidity constrained if it
was turned down for credit at least once during the last 5
years or was not able to obtain credit later or discouraged
from applying again.
Other Demographic Variables If either the respondent or
spouse reported working for someone else or a partnership,
being self-employed, or reported other current employ-
ment, the household was considered to be employed (coded
1) versus not employed (coded 0). If the respondent
reported being married, the household’s marital status was
considered married (coded 1); otherwise coded 0. A
household with at least one dependent child living in the
home was coded Children = 1; else coded 0. While race/
ethnicity was not the key variable of interest in this study,
race/ethnicity has been shown to influence borrowing
behavior (Lee et al. 2007; Mimura 2008; Yao et al. 2011).
Therefore, four separate binary variables were created to
capture different race/ethnicity groups: whether the
respondent representing the household considered them-
selves White (coded 1), Black/African-American (coded
1), Hispanic/Latino ethnicity (coded 1), or an Other non-
white race/ethnicity (Asian, American Indian/Alaska
Native, Native Hawaiian/Pacific Islander, other).
Net worth calculations for each household were based
on the code provided by the FRB. In order to better isolate
the effects of non-housing or financial net worth on being
highly leveraged, real estate net worth was subtracted from
total net worth to determine financial net worth. Dummy
variables were then created for each quintile of financial
net worth.
Financial Sophistication Variable The SCF does not
directly ask questions specifically designed to measure an
individual’s personal finance-related HC. To approximate
an individual’s financial sophistication this study employed
the technique described by Huston et al. (2012). First, four
variables are created using information from the SCF:
revolving balance on credit cards of more than 50% of
limit, stock ownership, investment risk aversion, and the
interviewer’s assessment of the respondent’s understanding
of questions asked during the survey. Second, factor
analysis is used to capture the underlying latent concept of
financial sophistication that is represented through these
four variables (see Table 1 for factor loadings4).
Third, factor scores are calculated for each household
and then households are categorized into financial sophis-
tication quintiles. The financial sophistication quintiles are
constructed such that households with the lowest levels of
financial sophistication are represented in the first quintile
and those with the highest levels are in the fifth quintile.
Households that indicate no revolving credit card balances,
own stock equity, are not averse to investment risk, and are
rated by interviewers as having a relatively higher under-
standing of questions asked are considered to be more
financially sophisticated than others.
Tax Leverage Variables If the household itemized
deductions on their previous year’s tax form (either jointly
or if at least spouse itemized when married filing sepa-
rately) the household was coded as itemized deduc-
tions = 1; else coded 0. The marginal tax rate of the
household was calculated using the TAXSIM coding and
included as a continuous variable in the regression model.5
An indication of risky asset holdings was included in the
model by creating quartiles based on the risky asset to net
worth ratio for each household. Total risky assets were
calculated by adding the value of all equities held (whether
in or outside a retirement account) and the value of all
business interests. This combined amount was then divided
by the household’s net worth (including the value of
housing) to calculate the percentage of risky assets in the
household portfolio.
Table 1 Factor loadings for financial sophistication factor
Variables Factor loadings
Have stock equity 0.734
Willing to take risk 0.610
Credit card balance \50% limit 0.589
Understand survey questions 0.427
4 Similar factor loadings were generated for each survey year when
factor analysis was performed using the measured variables by year
indicating that the determinants of financial sophistication were
similar across years.5 TAXSIM coding was developed by Kevin Moore from the National
Bureau of Economic Research (NBER) and represents detailed
program coding which may be used with statistical software packages
to allow researchers the ability to calculate tax liabilities and marginal
tax rates (when not reported in data sets) given available tax related
information, such as marital status, dependents, age, wages, dividend
income, IRA contributions, itemized deductions, etc. TAXSIM
coding can be accessed for all SCF years at the website
http://www.nber.org/*taxsim/to-taxsim/scf/ (accessed October 6,
2011).
320 J Fam Econ Iss (2012) 33:315–327
123
Results and Discussion
Descriptive Statistics
Table 2 displays the descriptive statistics of older house-
holds who own a home (but not more than two for tax
purposes) by financial sophistication quintile. On average,
more financially sophisticated households appeared to be
more highly leveraged, less liquidity constrained, less risk
averse, employed, married, have a child at home, less likely
to be of a minority, and have greater financial net worth.
Results were also consistent with previous studies that have
reported that less sophisticated households were more
likely to be older, of African-American or Hispanic race/
ethnicity, and less likely to invest in riskier assets (Lusardi
et al. 2009; van Rooij et al. 2007). As shown in Table 2,
younger households (age 55–64 compared to age 65?)
made up 63.02% of the highest quintile of financial
Table 2 Descriptive statistics of older households (who own a home) by financial sophistication quintile
Variable Financial sophistication
Quintile 1 Quintile 2 Quintile 3 Quintile 4 Quintile 5
Dependent variable
No leverage (LTV = 0%)a 72.83% 61.26% 55.91% 49.26% 47.20%
Low leverage
(0 \ LTV \ 50%)a17.52% 25.25% 27.90% 37.63% 38.49%
High leverage (50% B LTV)a 9.65% 13.49% 16.19% 13.11% 14.31%
Independent variables
Life cycle variables
Younger: age 55–64a 32.63% 34.79% 52.37% 58.85% 63.02%
Liquidity constraineda 11.16% 8.23% 8.79% 8.36% 4.43%
Other demographic variables
College degreea 7.07% 14.71% 29.33% 44.17% 58.29%
Employeda 27.22% 36.57% 52.62% 62.30% 62.89%
Marrieda 37.67% 51.93% 59.98% 63.94% 75.75%
Children at homea 17.72% 17.21% 19.07% 19.99% 16.47%
Race
Whitea 73.42% 84.57% 86.60% 89.72% 96.33%
Blacka 18.77% 9.95% 8.45% 4.74% 1.79%
Hispanica 5.83% 3.46% 3.01% 2.81% 0.51%
Other racea 1.98% 2.02% 1.94% 2.73% 1.37%
Financial net worthb Mean = $41,750 Mean = $114,495 Mean = $261,312 Mean = $781,843 Mean = $1,448,534
Median = $9,385 Median = $29,103 Median = $83,808 Median = $238,399 Median = $404,456
Tax leverage variables
Itemize deductionsa 17.68% 30.22% 47.45% 64.68% 75.20%
Marginal tax ratesb Mean = 2.92% Mean = 7.68% Mean = 13.66% Mean = 19.13% Mean = 22.27%
Median = 0% Median = 10% Median = 15% Median = 22.50% Median = 25%
% Risky assets/net worth
0–25%a 97.66% 95.31% 83.25% 56.73% 44.80%
[25–50%a 1.00% 2.00% 10.58% 26.95% 31.17%
[50–75%a 0.73% 1.38% 3.71% 11.74% 18.62%
[75%a 0.61% 1.32% 2.46% 4.58% 5.41%
Data were pooled from the 1995, 1998, 2001, 2004, and 2007 SCF years. The total sample includes all homeowners with either a head of
household or spouse who is at least 55 years of age. All statistics reported are weighted using the weighting variable x42001 provided within the
SCF. All financial variables are represented in 2007 dollars using the CPI-U-RS index as discussed in the independent variables section of the
papera All categorical variables across financial sophistication quintiles (except the children and other race variables) had v2 statistics that were
significant at least at the \0.01 levelb All continuous variable statistics within each financial sophistication quintile (except marginal tax rates of households in the third sophisti-
cation quintile), when compared to the other four groups combined, had t values that were significant at least at the \0.01 level
J Fam Econ Iss (2012) 33:315–327 321
123
sophistication (compared to 32.63% in the lowest quintile),
African-Americans made up 1.79% of the highest quintile
of financial sophistication (compared to 18.77% in the
lowest quintile), Hispanic households made up 0.50% of
the highest quintile of financial sophistication (compared to
5.83% in the lowest quintile), and 44.80% of households in
the highest quintile of sophistication held less than 25% of
risky assets (equity interests) in their portfolio (compared
to 97.66% in the lowest quintile).
Descriptive statistics in Table 2 also revealed that tax
incentives, such as itemizing or higher marginal tax rates,
and holding a greater percentage of risky assets (equities,
business interests) were positively related to financial
sophistication. 75.20% of households in the highest quintile
of sophistication itemized (compared to 17.68% in the
lowest quintile) and the average tax rate was 22.27%
among households in the highest quintile of sophistication
(compared to 2.92% in the lowest quintile).
Table 3 displays the descriptive statistics of older
households who are homeowners by no leverage (LTV =
0%), low leverage (0 \ LTV \ 50%), and high leverage
(LTV at least 50%) samples. A greater proportion of
households with no housing leverage were in the lowest
two quintiles of financial sophistication, while a greater
proportion of those with low housing leverage were in the
highest two financial sophistication quintiles. A much lar-
ger proportion of households with low and high leverage
itemize deductions, and were in higher marginal tax rates.
The proportion of those with high housing leverage whose
portfolios consisted of at least 25% equities was 34%
compared to 21% of households with no housing leverage.
A greater proportion of more highly leveraged households
were college educated, employed, married, Black, His-
panic, and had children at home. Mean and median wealth
was highest among households with low housing leverage
and lowest among households with the highest housing
leverage. A greater proportion of households with high and
low leverage were between age 55 and 64.
Multinomial Logistic Regression
Table 4 presents the multinomial logistic regression results
for the total sample for both models. Odds ratios and Wald
v2 statistics are presented for models without and including
the tax effect variables.
Model without Tax Effects
Respondents in the highest two quintiles of financial
sophistication were over 90% more likely to have low
leverage (50% B LTV) and over 140% more likely to have
high leverage (0 \ LTV \ 50%) versus no leverage than
respondents in the lowest financial sophistication quintile.
There was a time trend toward increasing likelihood of low
housing leverage during the 2000s, however there was no
trend toward high leverage. Wealthier households were
much less likely to have high housing leverage (80% less
likely in the highest wealth quintile).
Being liquidity constrained increased the likelihood of
having high leverage by 245% and the likelihood of having
low leverage versus no leverage by 71%. Being younger,
employed, having a college degree, or having children at
home were all positively related to the likelihood of having
some housing debt in older years. Older households with a
respondent who identified themselves as Black and White
were also more likely to have housing debt.
The statistically significant results (p value \0.05) from
the multinomial logistic regression model without the tax
effect variables were consistent across the two leveraged
groups and included age, liquidity constrained, employ-
ment, college degree, children, Black or Hispanic, and
financial sophistication.
Model with Tax Effects
Households that itemized deductions were more likely to be
leveraged at least somewhat in housing (either
0 \ LTV \ 50% or 50% \ LTV). Older households that
itemized were 267% more likely to choose low leverage
over no leverage than older households that did not itemize
and were 396% more likely to choose high leverage over no
leverage than non-itemizing households. In addition,
greater percentages of risky assets in net worth had statis-
tically significant increasing positive effects on the likeli-
hood of being highly leveraged versus having no leverage.
Households whose net worth was made up of 75–100% of
risky assets were 240% more likely to choose high leverage
over no leverage than households whose net worth was only
made up of 0–25% of risky assets. However, greater per-
centages of risky assets in net worth showed no statistically
significant positive effect on the likelihood of having low
leverage versus no leverage. Marginal tax rates showed no
statistically significant effect on the likelihood of having
either low or high leverage in housing.
In terms of the influence of financial sophistication in
the model with the tax effects, older households in the fifth
quintile of financial sophistication were 66% more likely to
have low leverage versus no leverage than older house-
holds in the first quintile of sophistication. Similarly,
households in the fifth quintile of financial sophistication
were 83% more likely to have high leverage versus no
leverage than households in the first quintile of sophisti-
cation. In general, older households that itemized, held a
greater percentage of net worth in risky assets, were more
financially sophisticated, and were more likely to be highly
leveraged.
322 J Fam Econ Iss (2012) 33:315–327
123
Further, adding the tax effect variables (itemizing,
marginal tax rate, and percentage of risky assets in a
portfolio) appeared to explain some of the previous influ-
ence of financial sophistication on having housing leverage
in the model without tax effects, suggesting that some of
the financially sophisticated households may have used
lower-cost mortgage debt to invest in riskier, higher
yielding investments. Households with liquidity con-
straints, low financial net worth, and children in the home
were also more likely to be highly leveraged than otherwise
similar households who were without liquidity constraints,
low financial net worth, or children at home. For instance,
Table 3 Descriptive statistics of older households (who own a home) by housing leverage category
Variable No leverage
(LTV = 0%)
(n = 4,115)
Low leverage
(0 \ LTV \ 50%)
(n = 2,473)
High leverage
(50% \ LTV)
(n = 870)
Life cycle variables
Age
Younger: age 55–64a 32.82% 68.11% 74.16%
Older: age C65a 67.18% 31.89% 25.84%
Liquidity constraineda 4.78% 8.92% 19.91%
Other demographic variables
College degreea 25.70% 40.46% 38.31%
Employeda 32.08% 67.99% 78.94%
Marrieda 51.93% 69.38% 62.76%
Children at homea 11.82% 24.57% 29.89%
Race/ethnicity
Whitea 89.14% 85.04% 79.80%
Black/African-Americana 6.97% 8.95% 12.62%
Hispanica 2.32% 3.48% 4.91%
Other racea 1.57% 2.53% 2.67%
Financial net worthb Mean = $550,642 Mean = $670,819 Mean = $338,803
Median = $89,468 Median = $140,882 Median = $51,681
Sophistication variable
Financial sophistication
1st Quintilea 21.58% 9.91% 12.06%
2nd Quintilea 23.19% 18.09% 21.39%
3rd Quintilea 19.21% 18.13% 23.45%
4th Quintilea 18.35% 26.56% 20.50%
5th Quintilea 17.67% 27.31% 22.60%
Tax leverage variables
Itemize deductionsa 34.06% 66.28% 68.61%
Marginal tax ratesb Mean = 10.26% Mean = 17.66% Mean = 17.85%
Median = 15.00% Median = 15.00% Median = 15.00%
% Risky assets/net worth
0–25%a 79.16% 68.75% 66.18%
[25–50%a 13.23% 17.95% 15.96%
[50–75%a 5.57% 10.20% 10.04%
[75%a 2.04% 3.10% 7.82%
Data were pooled from the 1995, 1998, 2001, 2004, and 2007 SCF years. The total sample includes all homeowners with either a head of
household or spouse who is at least 55 years of age. All statistics reported are weighted using the weighting variable x42001 provided within the
SCF. All financial variables are represented in 2007 dollars using the CPI-U-RS index as discussed in the independent variables section of the
papera All categorical variables across leverage groupings (except the other race variable) in this table had v2 statistics that were significant at least at
the \0.01 levelb All continuous variable statistics within each leverage group (except the financial net worth of no leverage and low leverage households), when
compared to the other two groups combined, had t values that were significant at the \0.01 level
J Fam Econ Iss (2012) 33:315–327 323
123
households with liquidity constraints were 320% more
likely to have high leverage versus no leverage than
households without liquidity constraints. Households in the
highest quintile of financial net worth were 93% less likely
to have high leverage versus no leverage than households
in the lowest quintile of financial net worth. Further,
households with children in the home were 66% more
likely to have high leverage versus no leverage than
households without children in the home. All of the life
cycle (age, liquidity constraints), demographic (employed,
Table 4 Estimated odds ratios of housing leverage among older households (multinomial logistic regression results)
Variables Model without tax effects Model with tax effects
Low leverage
0 \ LTV \ 50% group
High leverage
50% B LTV group
Low leverage
0 \ LTV \ 50% sample
High leverage
50% B LTV sample
Odds ratio Wald v2 Odds ratio Wald v2 Odds ratio Wald v2 Odds ratio Wald v2
Intercept 0.08*** 0.04*** 0.07*** 0.03***
Age 55–64 (vs. 65?) 2.31*** 181.19 2.74*** 91.82 2.30*** 174.02 2.68*** 85.36
Liquidity constrained (LIQ) 1.71*** 18.73 3.45*** 81.23 1.69*** 17.48 3.20*** 68.31
Employed 2.15*** 132.66 3.94*** 146.91 2.09*** 104.32 3.31*** 95.83
College degree 1.21** 8.93 1.34** 8.66 1.12 3.11 1.23* 3.89
Married 1.14* 3.85 0.91 0.85 1.11 2.10 0.87 2.10
Children at home 1.46*** 27.35 1.66*** 26.88 1.46*** 26.94 1.66*** 25.91
Race/ethnicity (White)
Black 1.77*** 13.91 1.91*** 12.61 1.72*** 12.07 1.88*** 11.53
Hispanic 1.52* 4.33 1.83* 5.88 1.53* 4.26 1.86* 5.71
Other 1.26 1.79 1.52 3.16 1.20 1.07 1.47 2.59
Financial NW (1st quintile)
2nd Quintile 1.14 0.75 0.90 0.357 1.05 0.12 0.81 1.43
3rd Quintile 1.03 0.03 0.55*** 11.01 0.84 1.14 0.39*** 25.32
4th Quintile 1.07 0.19 0.42*** 20.37 0.81 1.68 0.23*** 48.96
5th Quintile 0.75* 4.03 0.20*** 78.22 0.53*** 13.97 0.07*** 139.92
Financial sophistication (1st quintile)
2nd Quintile 1.65*** 12.85 1.86** 10.80 1.63*** 11.50 1.77** 8.96
3rd Quintile 1.65** 10.73 2.29*** 18.35 1.52** 7.09 2.00*** 12.06
4th Quintile 1.93*** 18.73 2.46*** 19.08 1.70*** 11.53 1.95*** 10.14
5th Quintile 1.91*** 18.16 2.47*** 19.03 1.66** 10.25 1.83*** 8.18
Year (vs. 1995)
1998 1.24* 5.37 0.98 0.01 1.27* 6.38 0.95 0.16
2001 1.20* 4.02 0.87 1.10 1.23* 4.64 0.84 1.58
2004 1.34*** 11.02 0.93 0.33 1.31** 8.81 0.86 1.23
2007 1.59*** 28.09 1.27 3.79 1.57*** 25.31 1.20 2.06
Tax leverage variables
Itemize deductions 2.67*** 142.69 3.96*** 126.05
Marginal tax rate 0.99 2.81 1.00 0.62
% Risky assets/net worth (0–25%)
25–50% 1.03 0.07 1.51** 8.57
50–75% 1.04 0.17 2.23*** 21.36
75–100% 0.75* 6.30 2.40*** 24.77
N 2,473 870 2,473 870
Sample percentage 33.2% 11.7% 33.2% 11.7%
Max-rescaled R2 0.2222 0.2597
The reference category is: no leverage households (LTV = 0%) (N = 4,115, 55.2%). All odds ratios and Wald v2 statistics were calculated using
the repeated imputed inference (RII) technique recommended by Montalto and Sung (1996)
* p \ 0.05, ** p \ 0.01, *** p \ 0.001
324 J Fam Econ Iss (2012) 33:315–327
123
college degree, children at home, financial net worth, Black
or Hispanic), year, and financial sophistication variables
remained statistically significant and the direction of the
coefficients stayed the same across both low leveraged and
highly leveraged groups when adding the tax effect
variables.
Conclusion
The increase in mortgage debt among older households has
been cited as evidence of financial distress caused by poor
lending practices and an increased appetite for debt
(American Association of Retired Persons 2004; Marmon
2003; Masnick et al. 2006). This paper estimates whether
greater housing leverage among households age 55 or older
is related to financial sophistication, tax incentives, a shift
to riskier investment portfolios, and a time trend.
There is no evidence that higher housing leverage is
related to lower financial sophistication. The proportion of
home-owning households over age 55 who have no hous-
ing leverage decreases consistently with financial sophis-
tication. Less than half of the most sophisticated
households (47%) have no mortgage debt compared to 73%
of the least financially sophisticated households. The per-
centage of households with positive LTV ratios rises with
financial sophistication, and the proportion of households
with high leverage (above 50% LTV) is highest within the
median and top sophistication quintiles. In a multivariate
analysis, households in the highest financial sophistication
quintiles are more than twice as likely to have high housing
leverage, and over 90% more likely to have low (vs. no)
housing debt. When tax effects are included, households
with the lowest financial sophistication are still much less
likely to have mortgage debt.
Multivariate and descriptive results show that tax and
portfolio incentives are consistently related to housing
leverage in the predicted direction of effect. Households
who itemize are more than twice as likely to have low
housing leverage and 300% more likely to be highly lev-
eraged. Households with a higher share of risky portfolio
assets are much more likely to have high housing leverage,
yet are not more likely to have low housing leverage.
Households whose tax status provides them with a rela-
tively lower cost of borrowing by borrowing against the
value of their home are more likely to have high housing
leverage. Likewise, households maintaining a larger share
of their portfolio in risky assets are also much more likely
to have high housing leverage.
Although the likelihood of a household having low
leverage (less than 50%) relative to no leverage increased
by 57% between 1995 and 2007, the likelihood that a
household had high leverage did not increase significantly.
Discussion
Results are consistent with the hypothesis that greater
housing leverage is related to greater financial sophistica-
tion rather than household ignorance or a lack of thrift.
While increasing leverage has often been characterized as
the result of poor spending and saving habits, these results
suggest a possible additional motive for mortgage bor-
rowing—more financially sophisticated households may
have leveraged mortgage debt to invest in riskier assets in
order to maintain an optimal household portfolio of tan-
gible and investment assets. Results were consistent with
normative household borrowing models that predict greater
borrowing when housing debt receives tax subsidies. The
tax deductibility of mortgage interest appeared to further
encourage greater housing leverage by artificially reducing
interest rates on borrowing.
Tax policy that encourages increased household lever-
age in order to take advantage of a law intended to increase
home ownership may have unintended consequences.
Deductibility of mortgage interest encourages borrowing
against housing assets, even among older households.
Financially sophisticated households who are able to more
accurately assess the costs and benefits of reduced bor-
rowing and increased expected return on investments will
rationally transform home equity into investments. Indeed,
this paper provided evidence that high leverage increases
monotonically with both financial sophistication and the
proportion of risky assets held in household portfolios. Tax
deductibility of mortgage interest and tax shielded bor-
rowing results in a welfare transfer from less financially
sophisticated to more financially sophisticated households.
This policy also increases optimal leverage for these older
households. This rational increase in leverage, although
expected utility maximizing, increases susceptibility to
income and home equity shocks—both of which occurred
after this wave of the SCF was conducted.
Although this paper provides evidence that more
sophisticated households were using housing leverage in a
way that maximizes household welfare, there is also evi-
dence that households who had been turned down for credit
or who had excessive credit card debt were also more likely
to be highly leveraged. It appears both the more sophisti-
cated and the more vulnerable were carrying greater
housing debt into retirement age. Increasing access to
borrowing among those with poor credit during the time
period of this analysis may have placed a burden of highly
leveraged homeownership on older households who will
have difficulty coping with regular debt repayment well
into retirement age. It is these households who may benefit
the most from policy that provides lender oversight to
ensure the availability of mortgage products that are suit-
able to the older household.
J Fam Econ Iss (2012) 33:315–327 325
123
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Author Biographies
Hyrum Smith is an Assistant Professor in the Department of
Agricultural and Applied Economics at Virginia Tech. He received
his PhD in Personal Financial Planning from Texas Tech University.
Research interests involve analysis of both quantitative and qualita-
tive factors, such as financial sophistication, using a financial planner,
or other household behaviors, that play a major role in various tax and
retirement planning decisions.
Michael Finke is an Associate Professor in the Department of
Personal Financial Planning at Texas Tech University. He received
his PhD in Family Resource Management from The Ohio State
University and PhD in Finance from the University of Missouri.
Research interests include studying household personal finance
decisions related to household investments, retirement, behavioral
finance, and household financial trends.
Sandra Huston is an Associate Professor in the Department of
Personal Financial Planning at Texas Tech University. She received
her PhD in Consumer Economics from the University of Missouri—
Columbia. Research interests involve analysis of human capital
related to personal finance including financial literacy, the impact of
using financial advice in household decision-making, and the impact
of financial sophistication on resource allocation within household
portfolios.
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