icf_lecture 2_time value of money
TRANSCRIPT
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FUNDAMENTAL FUNDAMENTAL PRINCIPLES OF PRINCIPLES OF CORPORATE FINANCECORPORATE FINANCE
Topic #2
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What is time value of money? (I)What is time value of money? (I) Most financial decisions involve costs and
benefits that are spread out over time Time value of money allows comparison of
cash flows from different periods Using TVM we can offer answers to
questions such as: “Would it be better for a company to invest $100,000 in a product that would return a total of $200,000 in one year, or one that would return $500,000 after two years?”
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What is time value of money? (II)What is time value of money? (II) TVM conceptTVM concept: A dollar today is worth more : A dollar today is worth more
than a dollar tomorrow than a dollar tomorrow due to: due to: Time means means real interest ratereal interest rate and and inflationinflation Risk
PV Present Value, that is, the value today. FV Future Value, or the value at a future date. “t” the number of time periods between PV and FV “r” the discount rate
PVPV FVFV
0 1 2 3 t
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Future values and compoundingFuture values and compounding You deposit $100 today at 10% interest. How
much will you have in 5 years?
you are interested in finding the FV for five years of the $100 today (=PV)
FV($100, 10%, 5y) = $100 (1.1)5 = $161.05
FVt,r = PV x (1+r)t
Future value factor (FVF)
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Simple interest vs. compound Simple interest vs. compound interestinterest
Growth of $100 original amount at 10% per year
Darker shaded area represents the portion of the total that results from compounding of interest.
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Simple versus compound Simple versus compound interestinterest
You have just won a $1 million jackpot in the lottery. You can buy a ten year certificate of deposit
which pays 6% compounded annually. Alternatively, you can give the $1 million to
your brother-in-law, who promises to pay you 6% simple interest annually over the ten year period.
Which alternative will provide you with more money at the end of ten years?
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The power of compoundingThe power of compounding
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Present values and discountingPresent values and discounting The process of obtaining the PV is the inverse
of the one which gives the FV Suppose you need $20,000 in three years to
pay your college tuition. If you can earn 8% on your money, how much do you need today?
PV = $20,000 1/(1.08)3 = $15,876.64
PVt,r = FV 1/(1+r)tDiscount factor or Present value factor (PVF)
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The power of discountingThe power of discounting
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The case of multiple cash flowsThe case of multiple cash flows FV of a set of cash flows is the sum of FVs
for the individual cash flows
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The case of multiple cash flowsThe case of multiple cash flows PV of a set of cash flows is the sum of PVs
for the individual cash flows
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A shortcut - perpetuitiesA shortcut - perpetuities PerpetuityPerpetuity = financial concept in which
a cash flow is received forever
ExampleExample: Suppose you receive $1,000 per year forever. Your opportunity rate is 6%. What is the value today of this set of cash flows?
rC
rflow Cashity)PV(perpetu
$16,666.660.06
$1,000ity)PV(perpetu
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Growing perpetuitiesGrowing perpetuities Imagine an apartment building where cash
flows to the landlord after expenses will be $100,000 next year. These cash flows are expected to rise at 5% p.a. and the discount rate is 10%.
If this continues indefinitely growing growing perpetuityperpetuity
g-rC)perpetuity PV(growing
2,000,0000.050.1-
100,000)perpetuity PV(growing
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Few points concerning growing Few points concerning growing perpetuitiesperpetuities
1. The numerator (C) is the cash flow one period hence, not at date 0
2. The discount rate (r) must be greater than the growth rate for the formula to work
3. Timing assumption formula assumes cash flows are received and disbursed at regular and discrete points in time
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A shortcut - annuitiesA shortcut - annuities AnnuityAnnuity = a stream of regular payments that
lasts for a fixed number of periods The payments are assumed to be received at the
end of each period A good example of an annuity is a lottery, where
the winner is paid over a number of years
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Calculating PV of an annuityCalculating PV of an annuity Suppose you need $5,000 each year for
the next three years to make your tuition payments. You need the first $5,000 in one year. You can place money in a savings account yielding 5% compounded annually. How much do you need to have in the account today?
Calculating PV of an annuityCalculating PV of an annuity
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Calculating FV of an annuityCalculating FV of an annuity Assume you deposit $2,000 per year in
a savings account at 4% p.a., compounded annually, for 5 years. The first payment is made one year from now. How much money will you have in the account after 5 years?
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Calculating FV of an annuityCalculating FV of an annuity
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Annuity durationAnnuity duration Assuming that you owe $2,000 to your
bank, and the interest rate required is 2% per month. If you can make monthly payments of $50, how long will it take you to pay the debt.
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Annuity durationAnnuity duration
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Annuity valueAnnuity value You would like to have $3,000 in a
savings account 12 months from now. If this account pays an annual interest rate of 9%, compounded monthly. How much should you deposit monthly in order to reach your goal?
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Annuity valueAnnuity value
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Growing annuitiesGrowing annuities You have just been hired by a company
that offers an annual wage of $50,000. Your contract states that you annual wage will increase by 5% annually.
Suppose you intend to work for this company for 10 years, what is the current present value of your wage, considering 8% the appropriate annual discount rate?
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Growing annuitiesGrowing annuities
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Growing annuitiesGrowing annuities
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Using AnnuitiesUsing Annuities Delayed annuities Special (advanced) annuities Infrequent annuities Equaling the PV of two annuities Loan amortization Valuing bonds
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Delayed annuitiesDelayed annuities John will receive $500 annually for four
years, starting with the end of the sixth year. What is the current present value of these payments, at 10% annual discount rate?
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Delayed annuitiesDelayed annuities
PV (annuity, today) = $984.13
0 1 2 3 10 5 6 7 8 9 4
$500$500 $500 $500
PV (annuity, 4y)= $1,584.33
Special annuitySpecial annuity Andy just won the lottery and is going
to receive $50,000 annually for 20 years. The receives the first payment today.
The lottery announced the winning of $1,000,000 ($50,000x20= $1.000.000).
If the annual interest rate Andy can get to his savings account is 8%, what is the actual value of his winnings?
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Special annuitySpecial annuity The previous formulae of annuities (FV
and PV) assume the the first payment is one period from the present ANNUITY IN ARREARS
If the first payment is made today ADVANCED ANNUITY
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Special annuitySpecial annuity
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Andy’s lottery prize
Infrequent annuitiesInfrequent annuities Maria receives $500 every two years.
This annuity will be paid to her throughout 10 years. The first payment is made two years from now. What is the present value of these payments, considering 10% annual discount rate?
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Infrequent annuitiesInfrequent annuities
PV($500, 21%, 5 periods) =$1,462.99
Two years disount rate = 1.1 1.1 - 1 = 21.0%
0 1 2 3 10 5 6 7 8 9 4
$500 $500 $500 $500 $500
10% 10% 10% 10% …………………………………………….
First determine the discount rate for two consecutive payments
Equaling the PV of two annuities Equaling the PV of two annuities Mike and Laura want to start saving for
their new born son education. They estimate spending $30,000 per year when their son begins university studies 18 years from now.
The annual interest rate is estimated at 14% for the next decades. What is the amount they should deposit each year for 17 years in order to be able to finance their son’s four years college education?
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Equaling the PV of two annuities Equaling the PV of two annuities
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0 1 2 21 17 18 19 20
Deposi
t 1
Last deposit
Spending $30,000
Deposi
t 2
PV today (PV17, 14%, 17 years) =9,422.91
PV17 of spendingsPV studies today
Annual deposit = 1,478.59
=
14%Spending $30,000
Spending $30,000
Spending $30,000
Loan amortizationLoan amortization Rosie borrowed $6,000, at 10% annual
interest rate, for four years. At the end of each of the following four years she will make equal payments so as the loan will be completely amortised in four years.
How much is Rosie going to pay each year?
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Loan amortizationLoan amortization
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Valuing bondsValuing bonds If today is Dec. 1st 2013, what is the price of the
following bond? IBM bond that pays an annual coupon rate of
11.5% (annual coupon $115) for 5 years. In 2018 the bond will also pay the nominal value $1,000.
Investors’ required return is currently at 7.5% annually.
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PV annuity ($115, 5 years, 7.5%) PV (current price)
Valuing bondsValuing bonds Rephrasing: if the current price of the IBM bond
is $1,164.84, what is investors’ current return?
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YIELD TO MATURITY (YTM)•Coupon rate > YTM premium bond •Coupon rate < YTM discount bond•Coupon rate = YTM bond at par
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Compounding more frequently than Compounding more frequently than annuallyannually
Compounding more frequently than annually results in a higher effective interest rate because you are earning interest on interest more frequently
As a result, the effective interest rate is greater than then the nominal (annual) interest rate
The effective rate of interest will increase the more frequently interest is compounded
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Compounding more frequently than Compounding more frequently than annuallyannually
What would be the difference in future value if you deposit $100 for 5 years and earn 12% annual interest compounded (a) annually, (b) semiannually, (c) quarterly, and (d) monthly?
Annually 100 x (1 + 0.12/1)51 = $176.23Semiannually 100 x (1 + 0.12/2)52 = $179.09Quarterly 100 x (1 + 0.12/4)54 = $180.61Monthly 100 x (1 + 0.12/12)512 = $181.67
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Nominal and effective ratesNominal and effective rates The nominal interest ratenominal interest rate (sometimes denoted APR – from annual annual
percentage ratepercentage rate) is the stated or contractual rate of interest charged by a lender or promised by a borrower (r)
The effective annual rateeffective annual rate (EAR) (EAR) is the rate you actually pay or earn
EAR > APR whenever compounding occurs more than once per year
1mr1EAR
m
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Nominal and effective ratesNominal and effective rates What is the EAR on your credit card if
the nominal rate is 18% p.a., compounded monthly?
Answer:EAR = (1 + 0.18/12)12 – 1 =
19.56% What if compounded quarterly? Answer:
EAR = (1+ 0.18/4)4 – 1 = 19.25%
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Compounding periods, APRs and Compounding periods, APRs and EARsEARs
Compounding Compounding periodperiod
Number of Number of times times
compoundedcompounded
Effective Effective annual rate (%)annual rate (%)
Year 1 10.000000Quarter 4 10.381289Month 12 10.471307Week 52 10.506479Day 365 10.515578Hour 8,760 10.517029MinuteSecond
525,60031,536,000
10.51709110.517092
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Continuous compoundingContinuous compounding The number of compounding periods per year
approaches infinity The FV equation becomes:
What is the future value of a $100 deposit after 5 years if interest of 12% is compounded continuously?
FV(5,12) = $100 e0.125 = $182.22
2.7183
FV(t,r) = PV ert