Suppose in a country, the working-age population doubles due to immigration. However, the country neglects investment in research and development and hence the country's level of technology is stagnant
Which of the following statements will be true of this economy?
A) The economy will experience steady economic growth.
B) The savings rate will remain stagnant over the years.
C) The economy's output will rise at an increasing rate over time.
D) The economy cannot achieve a sustained growth.
D
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Joey cuts grass during the summer. He rents a lawn mower from his dad. Which of the following statements best illustrates the difference between the short run and the long run for Joey?
A) Joey's friends say they will help him, but when he calls them, they say they have other things to do. B) When Joey acquires more customers, he responds by working more hours. Next year, he will buy a lawn mower and split the work with his brother. C) Some customers pay Joey immediately; others wait till the following week. D) Joey has had to turn away some customers because he is already too busy.
Suppose Fred's marginal utility of an extra dollar of income is 56, and Sally's is 34 . If a dollar is taken from
a. Sally and given to Fred, the economy's total utility will rise by 22 units b. Fred and given to Sally, the economy's total utility will rise by 22 units c. Sally and given to Fred, the economy's total utility will rise by 34 units d. Sally and given to Fred, the economy's total utility will rise by 56 units e. Fred and given to Sally, the economy's total utility will rise by 34 units