Suppose real estate prices rise by 40 percent in a four-year period, while goods and services rise in price by 8 percent in the same time period. Population, the stock of houses, and other variables important to real estate prices have remained almost constant. Which of the following is most likely?
A. GDP has increased by about 40 percent over the four-year period.
B. Nominal wealth has declined.
C. Real wealth has increased.
D. Asset inflation has occurred.
Answer: D
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If the price elasticity of supply for a good is 0.75, then
A) the percentage change in the quantity supplied is less than the percentage change in price. B) the supply is elastic. C) an increase in the price boosts the quantity supplied by a larger percentage. D) the supply is inelastic so the demand must also be inelastic. E) None of the above answers is correct.
Suppose a cost function is TC = Aq3 + bq2 + cq + d. Then the average total cost is
a. Aq2 + bq + cq +d/q b. Aq2 + bq + c c. Aq3 + bq2 + cq d. d
Goodyear produces tires for automobiles, 50,000 in all. Suppose 40,000 go on new cars and are sold as part of each car, while the other 10,000 are produced as replacement tires and are sold individually. How many tires would be counted in current GDP?
a. 50,000 . because everything produced is counted b. 40,000 because only the ones on new cars are counted c. 10,000 because 40,000 will be counted in the value of the new cars d. 0 because they are all intermediate goods e. 10,000 because they are the only "final" goods and services in the total
The long-run aggregate supply curve ______.
a. has the same slope as the short-run aggregate supply curve b. has the same slope as the short-run aggregate demand curve c. is perfectly horizontal at the minimum price level in the economy d. is perfectly vertical at the natural rate of output in an economy