Suppose per capita real GDP grows by 7% per year. Based on the Rule of 70, approximately how many years will it take for the level of per capita real GDP to double?
A) 7 years B) 10 years C) 4.9 years D) none of the above
B
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Jenny sells lemonade in front of her house in the summer. Several other kids in Jenny's neighborhood also run lemonade stands in the summer. The lemonade market in Jenny's neighborhood is more likely to be perfectly competitive if:
A. each lemonade stand sells the same kind of lemonade. B. some of the neighborhood parents build elaborate booths for their kids' stands while some kids sell from makeshift tables. C. each stand tries to get more customers by offering different varieties of lemonade and snacks. D. all of the kids advertise heavily.
Starting from long-run equilibrium, a decrease in autonomous investment results in ________ output in the short run and ________ output in the long run.
A. lower; potential B. higher; higher C. higher; potential D. lower; higher
Which of the following was given as a reason to doubt the idea of "New Economy"?
A) High growth in computer investment could not be sustained. B) Actual real GDP could not continue to grow slower than natural real GDP growth. C) Inflation could not be reduced by a higher productivity growth rate. D) All of the above.
Charles purchases 20 basketball tickets per year when his annual income is $50,000 and 25 basketball tickets when his annual income is $60,000 . Charles's income elasticity of demand for basketball ticket is
a. 0.82, and basketball tickets are a normal good. b. 0.82, and basketball tickets are an inferior good. c. 1.22, and basketball tickets are a normal good. d. 1.22, and basketball tickets are an inferior good.