Which of the following central bank policies will raise the money supply?
a. Raising the reserve ratio.
b. Buying government securities.
c. Selling foreign currency in the foreign exchange market.
d. Raising the discount rate.
e. All of the above.
.B
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____ mean that the costs involved cannot be recouped for a considerable period of time.
A. Sunk costs B. Opportunity costs C. Overheads D. Restructuring costs
The following table shows the relationship between the speed of a computer's CPU and its benefits and costs. Assume that all other features of the computer are the same (that is, CPU speed is the only source of variation), and only the CPU speeds listed below are available for purchase.CPUGHzTotal BenefitMarginal BenefitTotal CostsMarginal Costs2.0$1,000 $900 2.5$1,400 &1003.0 $300$1,200 3.5$1,900 &1,500 4.0$2,000 &400The total benefit of a 3.0GHz computer is:
A. $900. B. $300. C. $1,700. D. $1,650.