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September 15, 2001*

Federal Reserve Bank of Cleveland

Who Benefits from Increasing the Federal
Deposit Insurance Limit?
by James B. Thomson
pawned by a compromise to enS
sure passage of the Glass-Steagall
Act in 1933, federal deposit insurance is one Depression-era program
that is likely to remain part of the financial landscape for the foreseeable
future. But pressure to reconsider its
role in the U.S. financial system is
mounting. The Gramm-Leach-Bliley
Act (GLBA) is dismantling many of
the statutory limits on financial consolidation that were the heart and
soul of Glass-Steagall, altering the
face of the financial services industry. GLBA and the Reigle-Neal Act
(1994), which dismantles interstate
branching restrictions, promise increased integration of financial markets and more competition among financial firms. Heightened competition
in funding markets has prompted some
banking associations and policymakers to recommend raising the deposit
insurance limit to $200,000.
In March 2000, the Federal Deposit Insurance Corporation (FDIC) began to
formally consider this proposal and
other reforms. It issued an options paper in August 2000, whose purpose
was “to frame the issues confronted by
the FDIC and begin the discussion of
options for addressing those issues.”1
Any discussion of federal deposit insurance and the proposed reforms to the
current system needs to address two
basic questions. First, what are the net
social benefits of providing federal
guarantees for bank and thrift deposits?
Second, given that we have decided a
system of federal deposit insurance improves social welfare, how can we
structure the system of guarantees to
deliver the benefits most effectively—
that is, at the lowest cost to society?
ISSN 0428-1276
*Printed November 2001

To answer these questions, we must
first clarify our motives for providing
deposit guarantees. In other words,
we must understand why the market
outcome is deemed unsatisfactory
and what the social objectives we
hope to achieve through government
intervention are. Such an analysis is
important because the structure of
our system of federal deposit guarantees is likely to be different if the social objective is to protect small savers, subsidize the funding of bank
assets, or stabilize the banking system. In addition, identifying and understanding the social objectives for
deposit insurance is essential for assessing the net social benefits of the
various reform proposals, including
changes in the insured-deposit limit.
This Economic Commentary seeks to
shed light on the issue of deposit insurance coverage by examining who would
benefit from increases in the insureddeposit limit.2 Potential benefits to
three sets of stakeholders—depositors,
community banks, and taxpayers—
are discussed. Understanding who
stands to gain from increases in the insured-deposit limit helps to ascertain
whether such an increase is consistent
with the social welfare objectives we
establish for federal deposit guarantees.

n Benefits to Small Savers
Proponents of federal deposit insurance argue that it provides two social
benefits. First, they claim it improves
economic efficiency. With deposit insurance, the deposit insurer can monitor the condition of banks more costeffectively than many small depositors,
spread out around the country, can.
Second, they claim that deposit insur-

Who might stand to benefit from
doubling the insured-deposit limit
to $200,000, and are such benefits
consistent with the social objectives of federal deposit insurance?

ance creates a more equitable banking
market for small savers. Proponents
of deposit insurance argue that it is
neither reasonable nor fair to expect
small savers to monitor banks. After
all, it is common to presume, correctly or not, that small savers are financially unsophisticated and lack the
ability to assess the condition of a
firm whose portfolio of assets consists largely of information-intensive
assets—loans. Moreover, even if
small savers are financially savvy,
the costs of monitoring a bank for
them may outweigh the benefits and
therefore, it may be rational for them
to not actively monitor the condition
of their bank.
Is the current $100,000 per account
limit sufficient to protect small savers?
The answer appears to be yes. After
all, the average deposit in these accounts is less than $6,000.3 Close to
99 percent of all domestic deposit accounts in commercial banks are under the $100,000 deposit-insurance
limit. This breadth of depositor coverage compares favorably to depositor coverage historically. For example, when the Congress established
our system of federal deposit guarantees in 1934, the initial insureddeposit ceiling was $2,500. It is estimated that the $2,500 limit afforded
full coverage to 96.5 percent of depositors in FDIC-insured banks.4

According to Federal Reserve Board
figures, the median balance in transaction (checking) accounts for all
families is only $3,100, and the median value of certificates of deposits
held by households is $15,0005 (see
table 1). These median deposit levels, taken individually or combined,
are well under the current $100,000
insured-deposit limit. Moreover, even
the combined median checking account balance of $19,000 and the certificate-of-deposit balance of $22,000
for households with the highest incomes (more than $100,000) is less than
half of the current insured-deposit limit.
The current $100,000 ceiling is even
more generous when one considers
that it applies to a single deposit account at a single insured institution.
Depositors have two ways they can
increase their coverage above
$100,000. First, a depositor can maintain accounts at multiple insured depositories. With around 9,800 FDICinsured banks and thrifts, there is
almost unlimited coverage available
to even the most well-heeled depositor. Second, FDIC rules treat individual accounts and joint accounts as
separate accounts for insurance purposes. For example, through a combination of individual and joint accounts, a family of four can have $3.2
million in fully insured deposits in a
single institution.6 The current deposit insurance ceiling of $100,000 appears to exceed what is required to
protect small savers.

n Benefits to Community Banks
Community banks and thrifts continue to lobby for increases in the insured deposit limits on different
grounds of equity. These institutions
argue that the liabilities of large
banks carry a conjectural guarantee
of the government—often referred to
as the too-big-to-let-fail doctrine. In
other words, community financial institutions maintain that too-big-tolet-fail puts large institutions at a
competitive advantage in deposit
markets, and an increase in the insured
deposit ceiling is needed offset this.7
Community financial institutions neglect three important considerations
from their equity arguments. First,
the Federal Deposit Insurance Corporation Improvement Act (FDICIA) of
1991 eliminates the too-big-to-let-fail
doctrine by explicitly prohibiting forbearance to uninsured depositors and

creditors of any failed bank or thrift
institution unless the FDIC seeks and
is granted a systemic risk exemption.
Moreover, the prompt correctiveaction provisions of FDICIA apply
equally to all banks and thrifts, irrespective of size. Second, Congress
appears to have leveled the playing
field between large and small depository institutions in the GLBA. This
legislation provides community financial institutions with superior access to funding from the Federal
Home Loan Banks by allowing them
to borrow against their small business, small farm, and small agricultural lending portfolios. Finally, any
changes to the current system of federal
deposit guarantees must be fair to large
banks, small banks, and taxpayers.
Ideally, to identify and measure the
benefits of increasing the insureddeposit limit for community banks,
we would examine changes in funding costs and deposit growth resulting from raising the ceiling. However, arriving at such estimates using
past increases in the insured deposit
limit is problematic given the lack of
available data. Moreover, even if
such estimates were possible to construct, the quantum differences between the structure of our banking
system today and the attendant regulatory system vis-à-vis 1981—the last
time the deposit insurance limit was
changed—raise serious questions as to
the applicability of those estimates to today.
An alternative way to identify potential benefits to banks of increasing
the deposit insurance ceiling is to
project the impact of this change on
the current levels and mix of deposit
funding. Presently, over 59 percent of
all domestic deposit balances are in
fully insured accounts, and 72 percent
of deposits are insured. For banks as
a whole, about 1.14 percent of their
accounts exceed the current ceiling—
that is, around only 1 percent of all
depositors would benefit from an increase in the insured-deposit limit.
However, these depositors’ uninsured
balances make up around 28 percent
of total domestic deposits. For community banks (banks with assets less
than $500 million) close to 70 percent of their deposit balances are under $100,000 and nearly 83 percent
are insured. Around 1.4 percent of community bank depositors have deposits
that exceed $100,000. The average deposit in accounts exceeding $100,000 is

around $356,000 for all banks and close
to $233,000 for community banks.
To examine the implications of doubling the insured-deposit limit for
community banks, we focus on how
such a change in coverage could affect their deposit mix. To do this, we
need to assume that a change in the
insured-deposit limit does not affect
the total amount of deposits a bank
has.8 Second, we need to make some
assumptions about what percentage
of currently uninsured balances
would be covered by the higher limit.
Including a small number of very
large deposits in the uninsured deposit totals significantly skews the
mean. Therefore, while we cannot
observe the distribution of uninsured
deposits, it is reasonable to presume
that the majority of partially insured
deposits have balances that are less
than the mean of the distribution and
that the bulk of partially insured accounts are less than $200,000. Moreover, the presence of these jumbo deposits makes it likely that the
preponderance of uninsured balances
will remain uninsured even if the insured-deposit ceiling is raised to
$200,000. As a result, our analysis
focuses on what changes in the deposit mix could occur when 20 to
50 percent of previously uninsured
balances become insured. The results
are reported in table 2.
For community banks, we see that if
one-fifth of their uninsured deposits
become insured, the percent of insured deposits increases from 83 to
86 percent. If half of uninsured deposits are affected by the change, the
deposit mix shifts to 91 percent insured. For large banks the impact is
even more dramatic, principally because they have a higher percent of
deposit balances in partially insured
accounts, and a greater proportion of
these carry very large balances—including large certificates of deposit,
which are typically issued in denominations of $1,000,000 and higher.
The benefits to a bank of increasing
the insured-deposit limit to $200,000
depend on how big a fraction of its
uninsured deposits become guaranteed under the higher ceiling. At the
lower end of the range considered,
community banks appear to gain little
from doubling coverage. However, as
the share of uninsured deposits shifting to insured status moves toward

TABLE 1

FAMILY HOLDINGS OF BANK DEPOSITS

Income (1998 dollars)

Checking Accounts
Median
% of
value*
families

Certificates of Deposit
Median
% of
value*
families

Less than $10,000

0.5

61.9

7.0

7.7

$10,000 to $24,999

1.3

86.5

20.0

16.8

$25,000 to $49,999

2.5

95.8

14.5

15.9

$50,000 to $99,999

6.0

99.3

13.3

16.4

$100,000 or more

19.0

100.0

22.0

16.8

3.1

90.5

15.0

15.3

All families
*Thousands of dollars.

SOURCE: Arthur B. Kennickell, Martha Starr-McCluer, and Brain J. Surette, “Recent Changes
in U.S. Family Finances: Results from the 1998 Survey of Consumer Finances,” Federal Reserve Bulletin, vol. 86 (January 2000), p. 11, table 5B.

TABLE 2

POTENTIAL IMPLICATIONS OF AN INCREASE IN THE
DEPOSIT INSURANCE CEILING TO $200,000
Percent of Deposit Balances Insured

Uninsured balances

Large banks

Community banks

All banks

Base case

69.18

82.76

71.95

20% become insured

75.34

86.21

77.56

30% become insured

78.43

87.93

80.36

40% become insured

81.51

89.66

83.17

50% become insured

84.59

91.38

85.97

SOURCE: Federal Financial Institutions Examination Council, Reports of Condition and Income, June 2000; and author’s calculations.

50 percent, there do appear to be economically significant benefits accruing to depository institutions.

n Benefits to Taxpayers
Taxpayers would stand to benefit
from an increase in the insureddeposit limit if this policy intervention improved the efficiency and stability of the financial system. Some
level of deposit guarantees can enhance the stability of the banking
system by removing the incentives
for rationally ignorant small depositors to run on depository institutions.9
Moreover, as discussed earlier, the
deposit guarantor can monitor banks
more effectively and at total lower resource costs than would be incurred
collectively by small savers. However, given that there appear to be few
benefits to small savers from increasing the insured-deposit ceiling, it is
unlikely that such a policy action will
enhance the stability and efficiency
of the financial system.
To the contrary, economic theory and
recent financial history show that de-

posit insurance levels above what is
required to protect small depositors
is counterproductive. The banking literature has long recognized the moral
hazard associated with federal deposit guarantees. Contemporary writers
criticized the deposit insurance provisions of the Banking Act of 1933,
correctly pointing out the dangers of
removing depositor-based market discipline from the banking system.10
Studies of the 1980s thrift debacle
show that the previous increase in the
deposit insurance ceiling from
$40,000 to $100,000 contributed to
the losses suffered, losses that averaged nearly 35 percent of assets for
thrifts resolved over the decade.11 Increasing the insured-deposit limit
may be setting the stage for another
crisis, not financial stability.

n Conclusion
As with any governmental intervention into private markets, the case for
raising the deposit-insurance limit
needs to be examined in terms of social welfare—that is, a comprehensive cost-benefit analysis needs to be

conducted. Cost-benefit analysis requires a careful consideration of the
overriding social objectives for deposit
insurance and the consequent costs associated with its unintended effects.
If the social rationale for federal deposit insurance is the protection of
small savers, there appears to be little justification for increasing the deposit insurance ceiling. After all,
$100,000 in deposit insurance coverage is well in excess of what the average depositor requires, and less
than two percent of depositors would
benefit from an increase in coverage.
However, to the extent that increases
in the percentage of deposits explicitly insured levels the playing field between small and large banks, it is
possible that such an increase may be
consistent with social welfare. On the
other hand, there is little evidence
that taxpayers would benefit from
raising the deposit insurance ceiling
and in fact, the lessons of the 1980s
suggest the opposite is true. Since
any deposit insurance reform needs
to be fair to depository institutions of
all sizes and to taxpayers, a more
comprehensive welfare analysis
needs to be done before one can argue for an increase in the insureddeposit limit on equity grounds.
Finally, any discussion of deposit insurance reform needs to consider the
following question. Have the advances in information and communications technology and the financial
market reforms enacted during the
1990s changed the market’s structure
in such a way that government intervention is no longer even necessary?
To the extent that increased market
efficiency emanating from innovations and reforms may have reduced
the benefits associated with the current level of federal deposit guarantees, it is less likely social benefits
associated with an increase in the insured-deposit limit exceed the costs
of providing the additional coverage.

n Footnotes
1. The options paper can be found on the
FDIC’s web site at <http://www.fdic.gov/deposit/insurance/initiative/OptionPaper.html>.
2. The focus is on coverage increases because many view current coverage levels as
an entitlement and, hence irrespective of
economic considerations, reductions in nominal deposit insurance coverage do not appear to be politically feasible.

3. Other average deposit measures support
this conclusion. For instance, the average
domestic deposit in commercial banks is
less than $10,000 and the average insured
deposit is around $7,190. These numbers
are calculated using data from the June 30,
2000, FFIEC, Reports of Income and Condition. Note that these mean deposit levels are a
high-biased estimate of the balances held by
the typical small depositor, being skewed by a
small number of high-balance accounts.
4. See “The Guaranty of Bank Deposits,” A
Report of the Commission of Banking
Laws and Practice, Bulletin No. 3 (November 1933), Chicago, IL.: Association of
Reserve City Bankers, p. 7.
5. See <http://www.fdic.gov/deposit/deposits/insured/yourid.pdf.>
6. For a family of four there are four unique
single accounts, six unique two-person joint
accounts, four unique three-person joint accounts, and one unique four-person account,
for a total of fifteen distinct accounts for deposit insurance purposes. Each depositor
named on an account is covered up to the
$100,000 limit, so the total possible coverage for this family of four is $3.2 million.
7. See ICBA, Report On Federal Deposit Insurance Reform, <http://www.icba.org/
deposit_insurance/depositins_report_fr.html>.

Federal Reserve Bank of Cleveland
Research Department
P.O. Box 6387
Cleveland, OH 44101
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8. Simple examination of the potential shifts
in deposit mix may understate potential benefits to community banks from increasing
the insured-deposit limit. To the extent that
the migration of accounts in excess of
$100,000 from community banks to large
banks is affected by the level of explicit coverage, raising the ceiling could slow this migration of deposits from small to large banks and
possibly even reverse this deposit flow.
9. While the fragmented unit banking system of the nineteenth and early twentieth
centuries in the United States was susceptible to runs, the increased geographic integration of the U.S. banking system and a properly functioning lender-of-last resort facility
pretty much eliminate the need for deposit
insurance to contain runs on solvent banks.
10. See Guy Emerson, “Guaranty of Deposits under the Banking Act of 1933,” Quarterly Journal of Economics, vol. 48 (February 1934), pp. 229–244 and “The
Guaranty of Bank Deposits,” A Report of
the Commission of Banking Laws and
Practice, Bulletin No. 3, (November
1933), Chicago, IL.: Association of Reserve
City Bankers.

James B. Thomson is a vice president
and economist at the Federal Reserve
Bank of Cleveland.
The views expressed here are those of
the author and not necessarily those
of the Federal Reserve Bank of Cleveland, the Board of Governors of the
Federal Reserve System, or its staff.
Economic Commentary is published
by the Research Department of the
Federal Reserve Bank of Cleveland. To
receive copies or to be placed on the
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4d.subscriptions@clev.frb.org or fax
it to 216-579-3050. Economic Commentary is also available at the
Cleveland Fed’s site on the World
Wide Web: www.clev.frb.org/research,
where glossaries of terms are provided.
We invite comments, questions, and
suggestions. E-mail us at editor@clev.frb.org.

11. See table 1 and The FDIC and RTC Experience: Managing the Crisis, Washington, D.C.: Federal Deposit Insurance Corporation, 1998, charts C.35, C.36, and C.37.

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