Sunday, March 1, 2015

Unit 3 - Investment Demand

What is investment

Money spent of expenditures on:
  • New plant (factories)
  • Capital equipment (machinery)
  • Technology (hardware software)
  • New homes
  • Inventories (goods sold by produces
Expected Rate of Return


How does business make investment decision?
-Cost/benefit analysis


How does business determine the benefits?
-Expected rate of Return

How does business count the cost?
- Interest Cost

How does business determine the amount of investment may undertake?
-Compare expected rate of return to interest cost

*If expected return> interest cost , invest
*If expected return< interest cost then do not invest

Real (r%) v. Nominal (I%) Interest Rate

Nominal is the observable rate of interest. real subtract out inflation (pie%) and is only known ex post factor

Real interest rate (r%)
  • r%= I%- pie% 
 *Cost of an investment decision = the real interest rate (r%)

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