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Corporate Finance. Lecture 4. Topics covered. Inflation in capital budgeting Interest rate and inflation rate Discounting with inflation Investment with unequal lives. Inflation and capital budgeting. Interest rates and inflation
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Corporate Finance Lecture 4
Topics covered • Inflation in capital budgeting • Interest rate and inflation rate • Discounting with inflation • Investment with unequal lives
Inflation and capital budgeting • Interest rates and inflation • The effect of inflation: The time value of money is deflated by inflation. • Real interest rate vs. nominal interest rate
Inflation • Be consistent in how you handle inflation! • Use nominal interest rates to discount nominal cash flows. • Use real interest rates to discount real cash flows. • Notice the treatment of depreciations in the two approaches: Depreciation is a nominal number!
Inflation and capital budgeting • Approximation • Real interest rate ≈ Nominal interest rate – Inflation rate • The approximation is reasonably accurate when the interest rate and the inflation rate are low. • Example. Monarchy of Gerberovia has a norminal interest rate of 300% and inflation rate of 280%. • (1+300%)/(1+280%)-1=5.26% • 300%-280%=20%
Inflation Example You own a lease that will cost you $8,000 this year, increasing at 3% a year (the forecasted inflation rate) for 3 additional years (4 years total). If discount rates are 10% what is the present value cost of the lease?
Inflation Example - nominal figures
Inflation Example - real figures
Cash flows and Discount rates: An example Inflation rate =10% Norminal rate =15.5%
Discount with the real rate (1+15.5%)/(1+1.10)-1=5% Real rate=
Investments of unequal lives • So far, the NPV rule has been our rule-of-thumb. • However, there are situations when the NPV rule is not sufficient. • E.g. when investments under decision have different lengths of life.
Investments of unequal lives Discount rate=0.1
Investments of unequal lives NPV rule will suggest Machine A because it has a lower NPV of costs……But, is this correct?
Investments of unequal lives • The NPV rule does not consider the time that each machine will last. • Machine A is cheaper but only last for three years. • Machine B is more costly but last for one more year. • Therefore, it is necessary to compare the cost on a per year basis.
Investments of unequal lives • Annuity • A: 798.42=C1* C1=798/2.4869=321.05 B: 916.99=C2* C2=916.99/3.1699=289.28 C1>C2, it is cheaper to buy machine B