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Chapter 6Risk Structure of Long-Term Bonds
in the United States
Interest Rates and Recessions
1988-2016
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Recession Baa State &Local Govt 10-yr Treas Aaa
Treasury Yield Curves
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1 2 3 5 10 15 20 25 30Years to Maturity
Yie
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June 2007
Sept. 2016
• Default risk —occurs when the issuer of the bond is unable or unwilling to make interest payments or pay off the face value
– U.S. T-bonds are considered default free
– Risk premium—the spread between the interest rates on bonds with default risk and the interest rates on T-bonds
• Liquidity—the ease with which an asset can be converted into cash
• Income tax considerations
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Interest Rates and Recessions 1988-2016
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88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17
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Recession Baa Fed Funds 10-yr Treas
Fact 1: Interest rates for
different maturities move
together over time
Term Structure Facts to be Explained1. Interest rates for different maturities move together over time
2. Yield curves tend to have steep upward slope when short rates are
low and downward slope when short rates are high
3. Yield curve is typically upward sloping
Three Theories of Term Structure
1. Expectations Theory
2. Segmented Markets Theory
3. Liquidity Premium Theory
A. Expectations Theory explains 1 and 2, but not 3
B. Segmented Markets explains 3, but not 1 and 2
C. Solution: Combine features of both Expectations Theory and Segmented
Markets Theory to get Liquidity Premium (Preferred Habitat) Theory and
explain all facts
Treasury Yield Curves
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1 2 3 5 10 15 20 25 30Years to Maturity
Yie
ld t
o M
atu
rity
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June 07 Sept. 2016
Fact 2: Yield Curves slope upward when short-term
rates are low and downward when short-term rates are
high
Fact 3: Yield Curves are typically upward sloping
Yield Curve &
the 3 Components of NIM
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8.0
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1 year 2 3 4 5 year 6
Years to Maturity
Perc
en
t
Funding
Spread
Interest Rate
Risk Spread
Credit
Spread
1-year CD
@ 3.0%
5-year loan
@ 7.5%
Yield Curve &
the 3 Components of NIM
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1 year 2 3 4 5 year 6
Years to Maturity
Perc
en
t
Funding
Spread
Interest Rate
Risk Spread
Credit
Spread
1-year CD
@ 3.0%
5-year loan
@ 7.5%
“Carry Trade”
-Borrow short-term
-Lend long-term
$1 Million example (wholesale market)
Borrow 1 Year at 4% ($40,000)
Lend 5 Years at 6% ($60,000)
Earn $20,000
Risk
Return
Tradeoffs
Risk Sharing;
Asset Transformation
Selling low-risk assets
to fund the purchase of
higher-risk assets
Expectations Theory
Key Assumption: Bonds of different maturities are perfect
substitutes
Implication: RETe on bonds of different maturities are equal
Investment strategies for two-period horizon
1. Buy $1 of one-year bond and when it matures buy another
one-year bond
2. Buy $1 of two-year bond and hold it
Expected return from strategy 2
(1 + i2t)(1 + i2t) – 1 1 + 2(i2t) + (i2t)2 – 1
=1 1
Since (i2t)2 is extremely small, expected return is approximately
2(i2t)
Expected Return from Strategy 1
(1 + it)(1 + iet+1) – 1 1 + it + iet+1 + it(iet+1) – 1
=1 1
Since it(iet+1) is also extremely small, expected return is
approximately
it + iet+1
From implication above expected returns of two strategies are equal: Therefore
2(i2t) = it + iet+1
Solving for i2t
it + iet+1i2t =
2
More generally for n-period bond:
it + iet+1 + iet+2 + ... + iet+(n–1)int =n
In words: Interest rate on long bond = average short rates expected to occur over life of long bond
With $10,000 min,
or
Premium Checking
With $100,000 min
Type Term Min Bal Rate APY* Rate APY* Rate APY*
Investor's Indexed 36 Month $5,000 5.45% 5.60%
Rate Bump 24 Month $5,000 4.35% 4.45% 4.64% 4.75%
Specials 8 Month $5,000 4.88% 5.00% 5.02% 5.15% 5.16% 5.30%
16 Month $5,000 4.93% 5.05% 5.07% 5.20% 5.21% 5.35%
Regular 60 Month $500 4.64% 4.75% 4.78% 4.90% 4.93% 5.05%
48 Month $500 4.59% 4.70% 4.74% 4.85% 4.88% 5.00%
36 Month $500 4.55% 4.65% 4.69% 4.80% 4.83% 4.95%
30 Month $500 4.50% 4.60% 4.64% 4.75% 4.78% 4.90%
24 Month $500 4.50% 4.60% 4.64% 4.75% 4.78% 4.90%
18 Month $500 4.45% 4.55% 4.59% 4.70% 4.74% 4.85%
12 Month $500 4.45% 4.55% 4.59% 4.70% 4.74% 4.85%
9 Month $500 4.31% 4.40% 4.45% 4.55% 4.59% 4.70%
6 Month $500 4.16% 4.25% 4.31% 4.40% 4.45% 4.55%
3 Month $500 3.97% 4.05% 4.11% 4.20% 4.26% 4.35%
Smart Saver 30 Month $250 4.26% 4.35% 4.40% 4.50%
18 Month $250 4.21% 4.30% 4.35% 4.45%
Smart Saver Plus 12 Month $250 4.21% 4.30% 4.35% 4.45%
UWCU CD interest rates
4.454.50
4.554.59
4.64
4%
5%
Term to Maturity
Yield to
Maturity
Example: 5 year holding period, $100
2 options:
Buy 5-yr CD at 4.64%,…FV = 100*(1+.0464)5 = $125.45
Buy 1-yr CD at 4.45% and a 4-yr CD next year
FV = 100*(1.0445)(1.0469)4 = $125.45
If perfect substitutes
(1+i1)(1+i4,t+1)4 = (1+i5)
5
i4,t+1 = [(1+i5)5]1/4 - 1
[ 1+i1 ]
i4,t+1 = [(1.0464)5]1/4 - 1
[ 1.0445 ]
i4,t+1 = 4.69%
4.69
In General
in,t+1 = [(1+in+1)n+1]1/n - 1
[ 1+i1 ]
Segmented Markets Theory
Key Assumption: Bonds of different maturities are not substitutes at
all
Implication: Markets are completely segmented: interest rate at each
maturity determined separately
Explains Fact 3 that yield curve is usually upward sloping
People typically prefer short holding periods and thus have higher
demand for short-term bonds, which have higher price and lower
interest rates than long bonds
Does not explain Fact 1 or Fact 2 because assumes long and short
rates determined independently
4.454.50
4.554.59
4.64
4%
5%
Term to Maturity
Yield to
Maturity
1 yr 2 yr 3 yr 4 yr 5 yr
Segmented Markets Theory
Different investors have different holding periods
•Banks have S.T. holding periods
•Insurance Co.s have L.T. holding periods
Strong Demand
Weak Demand
If bond maturity = holding period
Then no IRR, no DPB , no uncertainty
So Return = YTM = i
Liquidity Premium Theory
Key Assumption: Bonds of different maturities are substitutes, but are not perfect substitutes
Implication: Modifies Expectations Theory with features of Segmented Markets Theory
Investors prefer short rather than long bonds must be paid positive liquidity (term) premium, lnt, to hold long-term bonds
Results in following modification of Expectations Theory
it + iet+1 + iet+2 + ... + ie
t+(n–1)int = + lnt
n
Relationship Between the Liquidity Premium and
Expectations Theories
Econ 330
Homework 5Due Friday, September 30, in discussion
Chapter 6
Questions & Applied Problems 7, 10, 16, 19, 21, 22, 24, 25