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Corporations secure long-term financing primarily through
the issuance of stocks and
bonds. Stock represents permanent
capital whereas bonds are
only long-term financing. A recurring question relates to the fraction of
a corporation's financing that should be equity or debt. Modigliani-Miller
theory states that the relative allocation between the two is irrelevant
to existing shareholders' interests. However, that theory is based on
strong simplifying assumptions, including an assumption of no taxes. While
tax law varies from one jurisdiction to another, the interest a
corporation pays on its bonds is generally deductible as a business
expense. Dividends paid to
stockholders are not. For this and other reasons, the question of how
corporations should allocate their financing between debt and equity
recurs in practice.
Corporate bonds typically have
terms between 12 and 30 years,
but there have been issues with terms of 50 and even 100 years. Shorter
term bonds are also issued, but these may be called notes. While
structures vary, corporate bonds are typically issued at a price close to
their par value and pay a fixed
semi-annual coupon. Their
nominal yield is specified as a
semi-annual interest rate. For
example, if a bond has a par value of
USD 100 and a nominal yield
of 7.0%, it pays a coupon of USD 3.5 every six months until maturity, at
which time a final coupon and the par value are paid to investors.
Corporations may issue bonds as
private placements, or
they may engage an investment bank to conduct a public offering. In the
latter case, the investment bank may act as principal, purchasing bonds
from the corporation either with a firm commitment or standby agreement.
It may also act as agent, selling bonds to the public under a best efforts
commitment. Once issued, some publicly-offered bonds trade on exchanges
such as the New York Stock Exchange, but most trade
over the counter (OTC). If a
bond trades OTC, the investment bank that handled the public offering
usually acts as a market maker.
Bond
indentures can include a variety of
provisions. A
call provision grants the
issuer an option to redeem bonds early. Some bonds have a
sinking fund
provision that requires the issuer to set aside funds to retire a
specified amount of bonds each year.
Corporate bonds entail
credit risk, and indentures
include provisions to mitigate this or clarify the rights of bondholders
in the event of a default. Bonds may have some form of
credit enhancement such
as a third-party guarantee. Bonds can be secured or unsecured. Secured
bonds are collateralized by
specific assets of the corporation. Unsecured bonds, called
debentures, are general obligations of the
issuer. They are not secured by any specific collateral, so
investors' claims are backed only by the corporation's general assets. A
corporation may issue senior and subordinate debentures. In a liquidation,
the claims of senior debentures must be satisfied in full before anything
can be paid to holders of subordinate debentures.
In a reorganization, a troubled company may offer
income bonds to investors in exchange for
bonds they already hold. These are unsecured bonds that
require the issuer to make scheduled coupon payments only if it has the income to do
so. Failure to pay coupons cannot drive the issuer into bankruptcy. Missed
coupons may accumulate or they may not. If they do accumulate, they may do
so with interest. Income bond indentures vary considerably, but they are
likely to prohibit the paying of dividends to stockholders unless
obligations to the bondholders are met. In many respects, income bonds
resemble preferred stock.
There are various forms of secured bonds. Mortgage bonds are collateralized by assets
such as power plants or factories. Should the corporation be liquidated, the bondholders have a direct claim on those assets. A
mortgage bond can be open-ended or closed-ended. An
open-ended mortgage bond allows
the corporation to issue more bonds backed by the same collateral and of
equal seniority. This means the bondholders' claim on the collateral can
be diluted. With a closed-end
mortgage bond, the corporation may issue more bonds backed by the
same collateral, but bonds are divided into classes according to the order
in which they were issued. The classes are called the
first mortgage,
second mortgage, etc. Earlier classes
have higher seniority than later classes. In a liquidation, claims are
satisfied in the order of seniority. First mortgage claims must be paid in
full before subordinate claims can be paid.
The protection that collateral affords holders of mortgage
bonds is limited. Bankruptcy proceedings can be lengthy, expensive and
unpredictable processes. If they result in a reorganization instead of a
liquidation, holders of mortgage bonds may lose their seniority to new
investors. In such a case, the new investors receive what are called
prior lien bonds. These are treated as
first mortgages, and previously issued bonds have subordinate claims. If,
on the other hand, bankruptcy results in liquidation, the relative
seniority of bondholders is generally honored, but collateral may have
insufficient liquidation value to satisfy all claims. Due to shortcomings
such as these, mortgage bonds are falling out of use. Most are issued by
utilities.
More popular are
equipment trust certificates.
These are a form of structured finance backed by collateral such as
railroad cars, airliners or trucks. A corporation might contribute 20% of
the purchase price of the assets with the balance coming from purchasers
of the certificates. The assets are held by a trust, which leases them to
the corporation. Lease payments to the trust are passed, minus expenses,
to investors as interest on the certificates. Both the nature of the
collateral, and the fact that it is held in a trust, makes it easy to
liquidate in the event of default. Certificates generally have staggered
maturities or a sinking fund provision that allows the debt to be retired
more rapidly than the collateral is depreciated. Deals are generally
structured to maximize depreciation and/or leasing tax benefits for the
issuing corporation. Once all the debt is retired, the collateral is
transferred to the corporation.
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agency security A
security issued by a US federal agency or government sponsored enterprise.
bond Securitized debt.
bond
accrued interest
Interest that is earned but not yet paid on a bond.
book-entry,
registered and bearer bonds Three forms of bonds differing in
how ownership is evidenced.
callable bond A bond which allows the issuer to repurchase the bond for a specified
price on certain dates prior to the bond's maturity.
common
stock Non-preferred stock.
compound interest
Any of several methods of crediting interest in which interest is earned on interest.
credit risk Risk due to
uncertainty in a counterparty's ability to meet its obligations.
duration and convexity
Risk metrics employed in fixed income markets.
fixed income term structures Overview article.
floater
A fixed income instrument whose coupon fluctuates with some designated reference
rate.
hybrid
instrument A financial instrument that blend characteristics
of debt and equity markets.
interest rate risk
Risk due to uncertain future interest rates.
interest rate
spreads Discusses credit spreads, liquidity spreads,
optionality spreads, etc. in the fixed income markets.
interest
rate swap A swap under which both cash flow streams are in the same currency and are defined as cash flow streams that might be associated with some fixed income obligations.
international
bond Any bond issued or invested in across national boarders.
junk bond
A bond whose credit rating is below BBB-.
leverage Debt financing or anything that can similarly magnify the risk
and reward of an investment.
medium-term
note A debt security issued through shelf-registration under
US law.
municipal security
A debt security issued by a local government or its agencies or authorities in
the United States or its territories.
off-balance sheet
financing Financing that does not appear on a firm's balance sheet.
par value A stated
value for a security.
preferred
stock Stock that is senior to common stock and pays a fixed
dividend.
private placement
A non-public offering of securities.
record
date the date on which the owners of a security are identified
for the purpose of making an upcoming interest or dividend
payment.
securitization
The process of pooling assets and selling interests in the pool to
investors.
security A
financial instrument such as a stock or bond.
sinking fund
A provision that requires an issuer of bonds or preferred stock to retire some of the
issue each year.
syndicated loan
A loan made collectively by a group of lenders to a single borrower.
yield
Any of several metrics of the income or return to be earned from an investment.
zero-coupon
bond A bond that pays no coupons, pays its par value at
maturity and is issued at a discount. |
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Fabozzi (2005)
is the standard reference on bonds.
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