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Unit 7
Mortgage Market Mortgage and mortgage backed securities
Primary and secondary mortgage markets
Participants in mortgage market Mortgage sales
International trends in securitization.
Sitaram Dhakal
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Mortgage and mortgage backed securities
A mortgage is a form of debt that finances investment in property
The debt is secured by the property The mortgage is the difference between the down payment and the value
to be paid for the property
An alternative to selling mortgages directly to investors creating
mortgage pool.
A trustee, such as a bank or a government agency, holds the
mortgage pool, which serves as collateral for the new security.
This process is calledsecuritization.
The most common type of mortgage-backed security is themortgage pass-through.
It isa security that has the borrowers mortgage payments pass
through the trustee before being disbursed to the investors in the
mortgage pass-through.
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Mortgage and mortgage backed securities If borrowers prepay their loans, investors receive more principal than
expected. For example, investors may buy mortgage-backed securities on which the
average interest rate is 6%. If interest rates fall and borrowers refinance atlower rates, the securities will pay off early.
The possibility that mortgages will prepay and force investors to seekalternative investments, usually with lower returns, is calledprepayment risk.
The reason that mortgage pools have become so popular is that they permit the
creation of new securities (like mortgage pass-through) that make investing in
mortgage loans much more efficient.
For example, an institutional investor can invest in one large mortgage pass-
through secured by a mortgage pool rather than investing in many small and
dissimilar mortgage contracts.
There are several types of mortgage pass-through securities:
GNMA pass-through,
FHLMC pass-through, and
Private pass-through.
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GNMA pass-through
Government National Mortgage Association (GNMA)
Began guaranteeing pass-through securities in 1968. A variety of financial intermediaries, including commercial banks and
mortgage companies, originate Ginnie Mae mortgages.
Ginnie Mae aggregates these mortgages into a pool and issues pass-through
securities that are collateralized by the interest and principal payments from
the mortgages.
Ginnie Mae also guarantees the pass-through securities against default.
The usual minimum denomination for pass-through is $25,000.
The minimum pool size is $1 million. One pool may back up many pass-
through securities.
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FHLMC pass-through
Federal Home Loan Mortgage Corporation (FHLMC)
Created to assist savings and loan associations, which are not
eligible to originate Ginnie Maeguaranteed loans.
Freddie Mac purchases mortgages for its own account and also
issues pass-through securities similar to those issued by Ginnie
Mae.
Pass-through securities issued by Freddie Mac are called
participation certificates (PCs).
Freddie Mac pools are distinct from Ginnie Mae pools in that
they contain conventional (nonguaranteed) mortgages, are notfederally insured, contain mortgages with different rates, are
larger (ranging up to several hundred million dollars), and have a
minimum denomination of $100,000.
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Private pass-through
Private Pass-Through (PIPs)
In addition to the agency pass-through,
intermediaries in the private sector have offered
privately issued pass-through securities.
The first of these PIPs was offered by Bank of
America in 1977.
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Primary and secondary mortgage markets
Primary Mortgage market
In the primary market four basic categories of mortgages are
issued by financial institutions such as home, multifamily
dwelling, commercial and farm.
Home mortgages are used one to four family dwellings.
Multi-family dwellings mortgages are used to finance the
purchase of apartment complexes, townhouses, and
condominiums.
Commercial mortgages are used to finance the purchase of real
estate for business purposes such as office buildings, shoppingmalls etc.
Farm mortgages are used to finance the purchase the farms.
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Primary and secondary mortgage markets
Secondary Mortgage market
The federal government founded the secondary market for mortgages.
To help the nations economic activity, the government established several
agencies to buy mortgages.
The Federal National Mortgage Association (Fannie Mae) was set up to buy
mortgages from thrifts so that these institutions could make more mortgage
loans.
This agency would fund these purchases by selling bonds to the public.
At about the same time, the Federal Housing Administration was established
to insure certain mortgage contracts.
This made it easier to sell the mortgages because the buyer did not have tobe concerned with the borrowers credit history or the value of the collateral.
A similar insurance program was set up through the Veterans Administration
to insure loans to veterans after World War II.
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Secondary mortgage markets
One advantage of the insured loans was that they were required to be written
on a standard loan contract. This standardization was an important factor in the growth of the secondary
market for mortgages.
As the secondary market for mortgage contracts took shape, a new
intermediary, the mortgage bank, emerged.
Because this firm did not accept deposits, it was able to open offices across thecountry.
The mortgage bank originated the loans, funding them initially with its own
capital.
Because of their size, they were able to capture economies of scale in loan
origination and servicing.
They were also able to bundle loans from different regions together, which
helped reduce their risk.
The increased competition for loans among these intermediaries led to lower
rates for borrowers.
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Participants in mortgage market
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Mortgage sales
It is a sale of mortgage originated by a bank with
or without to an outside buyers.
Resource represents the ability of a loan buyer
to sell the loan back to the originator should it
go bad.
In another word, a mortgage sale is a part of
correspondent banking which is a relationship
between small bank and a large bank in whichthe large bank provides a number of deposits,
lending and other services.
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International trends in securitization.
Intermediaries still faced several problems when trying
to sell mortgages.
The first was that mortgages are usually too small to be
wholesale instruments. Many institutional investors do
not want to deal in such small denominations. The second problem with selling mortgages in the
secondary market was that they were not standardized.
They have different times to maturity, interest rates, and
contract terms. That makes it difficult to bundle a largenumber of mortgages together.
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International trends in securitization.
Third, mortgage loans are relatively costly to service. Compare
the servicing a mortgage loan requires to that of a corporatebond.
The lender must collect monthly payments; often pay property
taxes and insurance premiums, and service reserve accounts.
None of this is required if a bond is purchased. Finally, mortgages have unknown default risk.
Investors in mortgages do not want to spend a lot of time
evaluating the credit of borrowers.
These problems inspired the creation of the mortgage-backedsecurity, also known as a securitized mortgage.
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Thank You