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Topics coveredTopics covered
Inflation in capital budgetingInflation in capital budgeting– Interest rate and inflation rateInterest rate and inflation rate– Discounting with inflationDiscounting with inflation
Investment with unequal livesInvestment with unequal lives
Inflation and capital Inflation and capital budgetingbudgeting Interest rates and inflationInterest rates and inflation
– The effect of inflation: The time value The effect of inflation: The time value of money is deflated by inflation. of money is deflated by inflation.
– Real interest rate vs. nominal interest Real interest rate vs. nominal interest raterate
1 real interest rate = 1+nominal interest rate1+inflation rate
InflationInflation
Be consistent in how you handle Be consistent in how you handle inflation!inflation!– Use nominal interest rates to Use nominal interest rates to
discount nominal cash flows.discount nominal cash flows.– Use real interest rates to discount Use real interest rates to discount
real cash flows.real cash flows.– Notice the treatment of depreciations in Notice the treatment of depreciations in
the two approaches: Dthe two approaches: Depreciation is a epreciation is a nominalnominal number! number!
Inflation and capital Inflation and capital budgetingbudgeting
ApproximationApproximation– Real interest rate ≈ Real interest rate ≈
Nominal interest rate – Inflation rateNominal interest rate – Inflation rate– The approximation is reasonably accurate when the interest rate and the The approximation is reasonably accurate when the interest rate and the
inflation rate are low.inflation rate are low.– Example. Monarchy of Gerberovia has a norminal interest rate of 300% and Example. Monarchy of Gerberovia has a norminal interest rate of 300% and
inflation rate of 280%.inflation rate of 280%. (1+300%)/(1+280%)-1=5.26%(1+300%)/(1+280%)-1=5.26% 300%-280%=20%300%-280%=20%
InflationInflation
ExampleExample
You own a lease that will cost You own a lease that will cost you $8,000 this year, you $8,000 this year, increasing at 3% a year (the increasing at 3% a year (the forecasted inflation rate) for 3 forecasted inflation rate) for 3 additional years (4 years additional years (4 years total). If discount rates are total). If discount rates are 10% what is the present value 10% what is the present value cost of the lease?cost of the lease?
InflationInflation
Example - nominal Example - nominal figuresfigures
8,741.82=8000x1.033
20.487,8=8000x1.032
8,240=8000x1.031
80000
FlowCash Year
3
2
$29,072.98
6,567.86
7,014.22
91.490,7
00.000,8
10% @ PV
3
2
10.182.8741
10.120.8487
10.18240
InflationInflation
Example - real figuresExample - real figures
8,0003
8,0002
8,0001
8,0000
FlowCash Year
29,072.98
6,567.86
7,014.22
7,490.91
8,000
3
2
068.1
8,000068.1
8,000068.1
8,000
= $
Cash flows and Discount Cash flows and Discount rates: rates: An exampleAn example
yearyear
00 11 22
Capital ExpenditureCapital Expenditure 1,2101,210
Revenue (real)Revenue (real) 1,9001,900 20002000
Cash expenses (real)Cash expenses (real) 950950 10001000
Depreciation (straight line)Depreciation (straight line) 605605 605605
Inflation rate =10%
Norminal rate =15.5%
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation
Income bf Income bf taxtax
TaxTax
Income af Income af taxtax
NCFNCF
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf Income bf taxtax
TaxTax
Income af Income af taxtax
NCFNCF
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf Income bf taxtax
400400 500500
TaxTax
Income af Income af taxtax
NCFNCF
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf Income bf taxtax
400400 500500
TaxTax 400*40%400*40% 500*40%500*40%
Income af Income af taxtax
NCFNCF
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf Income bf taxtax
400400 500500
TaxTax 400*40%400*40% 500*40%500*40%
Income af Income af taxtax
240240 300300
NCFNCF
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf Income bf taxtax
400400 500500
TaxTax 400*40%400*40% 500*40%500*40%
Income af Income af taxtax
240240 300300
NCFNCF -1210-1210 790790 800800
Real rate=(1+15.5%)/(1+1.10)-1=5%
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf Income bf taxtax
400400 500500
TaxTax 400*40%400*40% 500*40%500*40%
Income af Income af taxtax
240240 300300
NCFNCF -1210-1210 790790 800800
NPVNPV -1210-1210 790/1.05790/1.05 800/1.05^2800/1.05^2
Discount with the real Discount with the real raterate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 19001900 20002000
ExpensesExpenses 950950 10001000
DepreciationDepreciation 605/1.1605/1.1 605/1.1^2605/1.1^2
Income bf taxIncome bf tax 400400 500500
TaxTax 400*40%400*40% 500*40%500*40%
Income af taxIncome af tax 240240 300300
NCFNCF -1210-1210 790790 800800
NPVNPV -1210-1210 790/1.05790/1.05 800/1.05^2800/1.05^2
NPV=268NPV=268
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation
Income bf Income bf taxtax
TaxTax
Income af Income af taxtax
NCFNCF
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf Income bf taxtax
TaxTax
Income af Income af taxtax
NCFNCF
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf Income bf taxtax
440440 605605
TaxTax
Income af Income af taxtax
NCFNCF
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf Income bf taxtax
440440 605605
TaxTax 440*40%440*40% 605*40%605*40%
Income af Income af taxtax
NCFNCF
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf Income bf taxtax
440440 605605
TaxTax 440*40%440*40% 605*40%605*40%
Income af Income af taxtax
264264 363363
NCFNCF
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf Income bf taxtax
440440 605605
TaxTax 440*40%440*40% 605*40%605*40%
Income af Income af taxtax
264264 363363
NCFNCF -1210-1210 869869 968968
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22
Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf Income bf taxtax
440440 605605
TaxTax 440*40%440*40% 605*40%605*40%
Income af Income af taxtax
264264 363363
NCFNCF -1210-1210 869869 968968
NPVNPV -1210-1210 869/1.155869/1.155 968/1.155^2968/1.155^2
Discount with the Discount with the nominal ratenominal rate
YearYear
00 11 22Cap. Exp.Cap. Exp. 12101210
RevenueRevenue 1900*1.11900*1.1 2000*1.1^22000*1.1^2
ExpensesExpenses 950*1.1950*1.1 1000*1.1^21000*1.1^2
DepreciationDepreciation 605605 605605
Income bf taxIncome bf tax 440440 605605
TaxTax 440*40%440*40% 605*40%605*40%
Income af taxIncome af tax 264264 363363
NCFNCF -1210-1210 869869 968968
NPVNPV -1210-1210 869/1.155869/1.155 968/1.155^2968/1.155^2
NPV=268NPV=268
Investments of Investments of unequal livesunequal lives So far, the NPV rule has been our So far, the NPV rule has been our
rule-of-thumb.rule-of-thumb. However, there are situations However, there are situations
when the NPV rule is not when the NPV rule is not sufficient. sufficient.
E.g. when investments under E.g. when investments under decision have different lengths of decision have different lengths of life.life.
Investments of Investments of unequal livesunequal lives
DateDate
MachineMachine 00 11 22 33 44
AA -500-500 -120-120 -120-120 -120-120
BB -600-600 -100-100 -100-100 -100-100 -100-100
Discount rate=0.1
Investments of Investments of unequal livesunequal lives
DateDate
MachinMachinee
00 11 22 33 44
AA --500500
-120-120 -120-120 -120-120
NPV ANPV A
BB --600600
-100-100 -100-100 -100-100 -100-100
NPV BNPV B
Investments of Investments of unequal livesunequal lives
DateDate
MachinMachinee
00 11 22 33 44
AA --500500
-120-120 -120-120 -120-120
NPV ANPV A -500-500 --120/1.1120/1.1
--120/1.1^2120/1.1^2
--120/1.1^3120/1.1^3
BB --600600
-100-100 -100-100 -100-100 -100-100
NPV BNPV B
Investments of Investments of unequal livesunequal lives
DateDate
MachinMachinee
00 11 22 33 44
AA -500-500 -120-120 -120-120 -120-120
NPV ANPV A -500-500 --120/1.1120/1.1
--120/1.1^2120/1.1^2
--120/1.1^3120/1.1^3
NPV ANPV A --798.42798.42
BB -600-600 -100-100 -100-100 -100-100 -100-100
NPV BNPV B
Investments of Investments of unequal livesunequal lives
DateDate
MachinMachinee
00 11 22 33 44
AA -500-500 -120-120 -120-120 -120-120
NPV ANPV A -500-500 --120/1.1120/1.1
--120/1.1^2120/1.1^2
--120/1.1^3120/1.1^3
NPV ANPV A --798.42798.42
BB -600-600 -100-100 -100-100 -100-100 -100-100
NPV BNPV B -600-600 --100/1.1100/1.1
--100/1.1^2100/1.1^2
--100/1.1^3100/1.1^3
--100/1.1^4100/1.1^4
Investments of Investments of unequal livesunequal lives
DateDate
MachinMachinee
00 11 22 33 44
AA -500-500 -120-120 -120-120 -120-120
NPV ANPV A -500-500 --120/1.1120/1.1
--120/1.1^2120/1.1^2
--120/1.1^3120/1.1^3
NPV ANPV A --798.42798.42
BB -600-600 -100-100 -100-100 -100-100 -100-100
NPV BNPV B -600-600 --100/1.1100/1.1
--100/1.1^2100/1.1^2
--100/1.1^3100/1.1^3
--100/1.1^4100/1.1^4
NPV BNPV B --916.99916.99
Investments of Investments of unequal livesunequal lives
DateDate
MachiMachinene
00 11 22 33 44
AA -500-500 -120-120 -120-120 -120-120
NPV ANPV A -500-500 --120/1.1120/1.1
--120/1.1^2120/1.1^2
--120/1.1^3120/1.1^3
NPV ANPV A --798.42798.42
BB -600-600 -100-100 -100-100 -100-100 -100-100
NPV BNPV B -600-600 --100/1.1100/1.1
--100/1.1^2100/1.1^2
--100/1.1^3100/1.1^3
--100/1.1^4100/1.1^4
NPV BNPV B --916.99916.99
NPV rule will suggest Machine A because it has a lower NPV of costs……But, is this correct?
Investments of Investments of unequal livesunequal lives The NPV rule does not consider the The NPV rule does not consider the
time that each machine will last. time that each machine will last. – Machine A is cheaper but only last for Machine A is cheaper but only last for
three years.three years.– Machine B is more costly but last for Machine B is more costly but last for
one more year. one more year. Therefore, it is necessary to Therefore, it is necessary to
compare the cost on a compare the cost on a per yearper year basis.basis.
Investments of Investments of unequal livesunequal lives
DateDate
MachineMachine 00 11 22 33 44
AA -500-500 -120-120 -120-120 -120-120
NPV ANPV A -798.42-798.42
Annuity AAnnuity A C1C1 C1C1 C1C1
BB -600-600 -100-100 -100-100 -100-100 -100-100
NPV BNPV B -916.99-916.99
Annuity BAnnuity B C2C2 C2C2 C2C2 C2C2
Investments of Investments of unequal livesunequal lives Annuity Annuity A: A: 798.42=C1*798.42=C1*
C1=798/2.4869=321.05C1=798/2.4869=321.05
B: 916.99=C2*B: 916.99=C2*
C2=916.99/3.1699=289.28C2=916.99/3.1699=289.28
C1>C2, it is cheaper to buy machine C1>C2, it is cheaper to buy machine BB
410.0A
310.0A