Time Value of Money
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Time Value of Money
TVM -
Compounding
$ Today Future $
Discounting
Future Value (FV)
Definition -
»
FV = ?
0 1 2 N
PV=x
FVn = PV(1 + i)n
Future Value Calculations
Suppose you have $10 million and decide to invest it in a security offering an interest rate of 9.2% per annum for six years. At the end of the six years, what is the value of your investment?
What if the (interest) payments were made semi-annually?
Why does semi-annual compounding lead to higher returns?
Future Value of an Annuity (FVA)
Definition -
»
FVA = ?
0 1 2 N
i
iFVA
n
n
1)1(
AA A
Ordinary Annuity vs. Annuity Due
Ordinary Annuity
A AA
0 1 2 N
i%
A A
0 1 2 N
i%
Annuity Due
A
Future Value of an Annuity Examples
Suppose you were to invest $5,000 per year each year for 10 years, at an annual interest rate of 8.5%. After 10 years, how much money would you have?
What if this were an annuity due?
What if you made payments of $2,500 every six-months instead?
Present Value (PV)
Definition -
»
FV = x
0 1 2 N
PV= ?
PV = P0 = FV / (1 + i)n
Present Value Calculations
How much would you pay today for an investment that returns $5 million, seven years from today, with no interim cashflows, assuming the yield on the highest yielding alternative project is 10% per annum?
What if the opportunity cost was 10% compounded semi-annually?
Why does semi-annual compounding lead to lower present values?
Present Value of an Annuity (PVA)
Definition -
»
PVA = ?
0 1 2 N
ii
PVAn)1(
11
AA A
Present Value of an Annuity Examples
How much would you spend for an 8 year, $1,000, annual annuity, assuming the discount rate is 9%?
What if this were an annuity due?
What if you were to receive payments of $500 every six-months instead?
TVM Properties
Future Values
An increase in the discount rate
An increase in the length of time until the CF is received, given a set interest rate,
Present Values
An increase in the discount rate
An increase in the length of time until the CF is received, given a set interest rate,
Note: For this class, assume nominal interest rates can’t be negative!