If the Consumer Price Index rose from 180.9 in 2005 to 418.5 in 2015, what is the total percentage change in prices over this 10-year period?
A. 127.21 percent.
B. 80.9 percent.
C. 131.34 percent.
D. 18.5 percent.
Answer: C
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Assume an economy with a single bank, no excess reserves, no savings accounts, and no currency held by the public. With a required reserve ratio of .4, the demand deposit expansion multiplier is
A) 20. B) 10. C) 4. D) 2.5.
Suppose autonomous consumption is 3000, induced consumption is 500 and disposable income is 2500. We may conclude that the
A. APC and APS are both negative. B. APC and APS are both positive. C. APC is positive and APS is negative. D. APS is positive and APC is negative.
Suppose a new contracting environment that requires greater specialized investments is considered. This new contract will result in:
A. a decrease in the marginal benefit and a shorter optimal contract. B. a decrease in the marginal benefit and a longer optimal contract. C. an increase in the marginal benefit and a longer optimal contract. D. an increase in the marginal benefit and a shorter optimal contract.
The free-rider problem occurs because
A) people who pay for information use it freely. B) people who do not pay for information use it. C) information can never be sold at any price. D) it is never profitable to produce information.