Question
Duration and equity issuance [30 points] You are hired as a consultant by an insurance company. The company has the following balance sheet: Assets Liabilities,
Duration and equity issuance [30 points]
You are hired as a consultant by an insurance company. The company has the following balance
sheet:
Assets Liabilities, Equity
Cash (D = 0) $150 Liabilities toward policy holders (D = 1:5) $1,039
Medium-term bonds (D = 5) $272 Liabilities toward policy holders (D = 2) $351
Short-term bonds (D = 1:2) $1,148 Equity $180
TOTAL $1,570 TOTAL $1,570
where "D" denotes the duration of each item, in years.
1. What is the duration of assets? (Use the formula to compute the duration of a portfolio when
all assets have the same YTM. The balance-sheet numbers refer to current market values; for
instance, PB = $272 for the bonds with D = 5) [4 points]
2. What is the duration of liabilities? (Follow the same approached you've used in the previous
question.) [4 points]
3. The answers to your previous questions should highlight a mismatch between the duration
of assets (i.e., DA) and the duration of liabilities (i.e., DL). The insurance company wants to
immunize the balance sheet to obtain DA = DL, and is considering multiple options.
(a) The first option is to issue new equity in exchange for cash, so that equity and cash
in the balance sheet increase by the same amount. Compute the dollar value of new
equity (= new cash) to obtain DA = DL. (Round your answer to the second decimal.)
[5.5 points]
(b) The second option is to renegotiate the liabilities toward the policy holders. To keep
things simple, let's assume that
Liabilities can have only duration of 1.5 or 2 years;
The total value of liabilities has to remain the same.
What is the value of liabilities with duration 1:5 years that achieves immunization?
And what is the value of liabilities with duration 2 years? [5.5 points]
(c) The third option is to issue additional liabilities with duration 1.5 years, in exchange
for cash. That is, for every dollar of new liability, the insurance company gets $1 of
cash. What is the dollar value of new liabilities that needs to be issued? (Round your
answer to the second decimal.) [5.5 points]
(d) The last option is to use the cash to buy bonds with duration > 0. Without doing
any calculation, answer and explain briefly: can this option achieve the immunization
objective? [5.5 points]
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