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Informing the Iegitive diebate since 1914

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Updated January 13, 2022
Introduction to Financial Services: The Housing Finance System

Background
Prior to the Great Depression, U.S. residential mortgage
markets operated at local levels and were highly sensitive to
local conditions. Lenders funded mortgages by relying on
local deposits, which were concentrated in heavily
populated areas, such as Chicago and New York, rather
than less populated areas in need of loans. Interstate
banking restrictions made it difficult to move funds from
geographical areas with large concentrations of deposits to
areas with comparatively smaller amounts. The immobility
of funds contributed to differences in mortgage rates and
underwriting (loan qualifying) criteria across the nation.
During economic downturns, frequent deposit withdrawals
led to cash flow (liquidity) shortages that stymied lending.
At the time, savings and loan associations (S&Ls)-
nonprofit, member-owned cooperative financial institutions
that relied on members' savings deposits to fund
mortgages-were the primary sources of home financing
during liquidity shortages. S&Ls were unable to borrow
temporary funds from the Federal Reserve System because
they were not eligible members. For this reason, the lending
terms of residential mortgages were structured to reduce
liquidity risks borne by S&Ls. For example, borrowers
were required to make large down payments (e.g., 50%-
60%) to mitigate default risks and to reduce mortgage sizes,
thereby reducing the amount of funds small lenders needed
to collect to make loans. Mortgages typically had variable
interest rates and 10- to 12-year maturities, thus mitigating
cash flow disruptions due to frequent changes in local
mortgage rates.
Governmnent Interventions to Faciliate
Mortgage Market Liquidity
Over the years, Congress has addressed market liquidity
issues, particularly for single-family mortgages (i.e., loans
secured by residential dwellings having one to four separate
units), by establishing federal agencies and government-
sponsored enterprises (GSEs). Some of the key ones are
listed below.
* Federal Home Loan Bank (FHLB) System. Created in
1932 (P.L. 72-304), the FHLB System is a GSE that
currently consists of 11 regional FHLBs. Each FHLB
provides liquidity to member lending institutions in its
district in the form of advances, which are temporary
cash loans that must be collateralized (secured) by
members' eligible assets that promote housing finance
and community development (e.g., mortgages,
mortgage-related assets, and certain small business
loans). The FHLBs initially served as lenders of last
resort for S&Ls. Congress expanded their membership
in 1989 to serve in that role for banks and credit unions.

The Federal Housing Finance Agency (FHFA) is the
primary regulator of the FHLB System.
* Federal Housing Administration (FHA). The National
Housing Act of 1934 (P.L. 73-479) created FHA, now a
Department of Housing and Urban Development (HUD)
agency. FHA insures private lenders against the default
risks on mortgages meeting certain criteria. FHA
introduced fixed-rate mortgages with maturities of 20
years or more, evolving into the 30-year fixed rate
mortgages commonly used today.
* Department of Veterans Affairs (VA). Congress
created the VA home loan program in 1944 (P.L. 78-
346). Similarly to FHA, the VA loan guaranty program
insures private lenders against the default risks on
mortgages made to veterans who meet certain criteria.
Unlike FHA, VA does not insure 100% of a loan's
default risk; a percentage of the default risk is
guaranteed based on the loan's principal balance.
* Fannie Mae (Federal National Mortgage
Association). Title III of the National Housing Act of
1934 initially established Fannie Mae as a federal
agency to purchase federally insured mortgages from
lenders. By holding residential mortgages on its balance
sheet, Fannie Mae extended the risk-bearing capacity of
the mortgage market when small lenders lacked capacity
and access to funds. In 1968, Congress split Fannie Mae
into two distinct organizations (P.L. 90-448). The
private-sector organization retained the Fannie Mae
name and operated like an interstate lender, purchasing
mortgages and funding them by issuing debt securities.
* Ginnie Mae (Government National Mortgage
Association). Congress created the federal agency
Ginnie Mae in 1968 after splitting Fannie Mae. Ginnie
Mae sells to private investors the interest rate risks
linked to mortgages that are federally insured against
default risk by FHA or VA.
* Freddie Mac (Federal Home Loan Mortgage
Corporation). Congress created Freddie Mac in 1970
(P.L. 91-351) as a GSE and subsidiary of the FHLB
System. Freddie Mac was authorized to buy
conventional mortgages, which are mortgages without
insurance provided by a federal government agency.
Freddie Mac largely purchased mortgages from S&Ls
and funded them by issuing debt securities.
Following passage of P.L. 101-73 in 1989, the business
models and missions of Fannie Mae and Freddie Mac
(F&F) were harmonized, allowing them to purchase
mortgages and sell mortgage-backed securities (MBS)

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