Patents
A. are granted for a period of 10 years in the United States.
B. create monopolies and are thus efficient.
C. slow the flow of benefits from research and development to consumers.
D. All of the above are correct.
Answer: C
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Sandra's Sweaters' production function is shown in the above table. Sandra rents three knitting machines for $30 a day each and hires workers at a wage rate of $40 a day. If Sandra produces 18 sweaters per day, what is her average total cost?
A) $5.00 B) $6.67 C) $9.44 D) $10.00
Following an unexpected decline in aggregate demand, once production cutbacks start offsetting rising inventory levels:
a. the aggregate demand curve will shift to the right. b. the aggregate supply curve will shift to the left. c. the economy will return to its natural rate of unemployment. d. the short-run Phillips curve will shift to the right. e. the economy will face both higher inflation and a higher unemployment rate.
A Korean steel company produces steel in the United States, with some of its steel being exported to other nations and some of it being sold within the United States. If the prices of this steel increase, then
a. the GDP deflator and the CPI will both increase. b. the GDP deflator will increase and the CPI will be unchanged. c. the GDP deflator will be unchanged and the CPI will increase. d. the GDP deflator and the CPI will both be unchanged.
Steven lives in a big city where there is a shortage of parking spots. He has a parking spot in his driveway where he parks his car. Which of the following statements is most correct?
A. Steven has a lower opportunity cost of owning a car than his neighbor, who must rent a parking spot. B. The opportunity cost of using the spot is zero, because Steven owns the house. C. The opportunity cost of using the parking spot is the price he could charge someone else for using the spot. D. The opportunity cost depends on how much Steven's mortgage payment is.