Chapter 4 Bank questions Flashcards
1) A price elasticity of demand of 2 means that a 10 percent increase in price will result in a
A) 2 percent decrease in quantity demanded.
B) 20 percent decrease in quantity demanded.
C) 5 percent decrease in quantity demanded.
D) 2 percent increase in quantity demanded.
E) 20 percent increase in quantity demanded.
b
2) The price elasticity of demand is a units-free measure of the responsiveness of the ________ when all other influences on buying plans remain the same.
A) quantity demanded to a change in the price of a substitute or complement
B) quantity demanded to a change in income
C) quantity demanded of a good to a change in its price
D) price to a change in quantity demanded
E) none of the above
C
3) The concept used by economists to indicate the responsiveness of the quantity demanded of a good to a change in its price is the A) cross elasticity of demand. B) income elasticity of demand. C) substitute elasticity of demand. D) price elasticity of demand. E) elasticity of supply.
D
4) If a 10 percent rise in price leads to an 8 percent decrease in quantity demanded, the price elasticity of demand is A) 0.8. B) 1.25. C) 8. D) 0.125. E) 80.
A
5) If a large percentage drop in the price level results in a small percentage increase in the quantity demanded,
A) demand is inelastic.
B) demand is elastic.
C) demand is unit elastic.
D) the price elasticity of demand is close to infinity.
E) the price elasticity of demand is zero.
A
6) The price of apples falls by 5 percent and quantity of apples demanded increases by 6 percent. We conclude that the demand for apples is A) perfectly elastic. B) unit elastic. C) elastic. D) perfectly inelastic. E) inelastic.
C
7) The price of oranges rises by 3 percent and quantity of oranges demanded decreases by 3 percent. We conclude that the demand for oranges is A) inelastic. B) elastic. C) perfectly inelastic. D) perfect elastic. E) unit elastic.
E
8) The price of plums falls by 7 percent and quantity of plums demanded increases by 6.75 percent. We conclude that the demand for plums is A) inelastic. B) perfectly elastic. C) perfectly inelastic. D) elastic. E) unit elastic.
A
9) The price of good A falls by 10 percent and quantity of good A demanded does not change. We conclude that the demand for good A is A) perfectly elastic. B) inelastic. C) perfectly inelastic. D) elastic. E) unit elastic.
C
10) Which one of the following illustrates an inelastic demand?
A) A 10 percent rise in price leads to a 5 percent decrease in quantity demanded.
B) A 10 percent rise in price leads to a 20 percent decrease in quantity demanded.
C) A price elasticity of demand equal to infinity.
D) A price elasticity of demand equal to 1.0.
E) A price elasticity of demand equal to 2.0.
A
11) Which one of the following illustrates an elastic demand?
A) A 10 percent rise in price leads to a 5 percent decrease in quantity demanded.
B) A 10 percent rise in price leads to a 20 percent decrease in quantity demanded.
C) A price elasticity of demand equal to 0.2.
D) A price elasticity of demand equal to 1.0.
E) A price elasticity of demand equal to zero.
b
12) If a 12 percent fall in price results in an 8 percent increase in quantity demanded, the price elasticity of demand equals A) 0.96. B) 0.12. C) 0.67. D) 1.5. E) 0.8.
C
13) The demand for good A is unit elastic if
A) a 5 percent fall in the price of A results in an infinite increase in the quantity of A demanded.
B) a 5 percent rise in the price of A results in a 10 percent decrease in the quantity of A demanded.
C) any increase in the price of A results in a 1 percent decrease in the quantity of A demanded.
D) a 5 percent rise in the price of A results in no change in the quantity of A demanded.
E) a 5 percent rise in the price of A results in a 5 percent decrease in the quantity of A demanded.
E
14) Demand is inelastic if
A) a small change in price results in a large change in quantity demanded.
B) the quantity demanded is very responsive to a change in price.
C) the price elasticity of demand is 0.2.
D) the price does not change when supply increases.
E) a 10 percent change in price results in a 1 percent change in the quantity supplied.
C
15) If the demand curve for a good is a horizontal line, then the good has
A) zero income elasticity.
B) price elasticity of demand equal to zero.
C) infinite price elasticity of demand.
D) a price elasticity of demand that is likely to rise in the short run.
E) a price elasticity of demand that is likely to fall in the short run.
C
16) If a 10 percent rise in the price of goods leads to a 10 percent decrease in quantity demanded, the demand curve for this good
A) is vertical.
B) is horizontal.
C) has slope equal to 1.
D) is a straight line with slope equal to 10.
E) none of the above.
E
17) A unit elastic demand
A) means that the ratio of a change in quantity demanded to a change in price is equal to 1.
B) means that the ratio of a percentage change in quantity demanded to a percentage change in price is equal to 1.
C) means that the ratio of a change in price to a change in quantity demanded is equal to 1.
D) is illustrated by a horizontal demand curve.
E) is illustrated by a vertical demand curve.
B
18) Suppose a rise in the price of a good from $6.50 to $7.50 leads to a decrease in the quantity demanded from 10,500 to 9,500 units. In this range of demand, the price elasticity of demand is A) 14. B) 7. C) 1,000. D) 1. E) 0.7.
E
19) A fall in the price of a good from $11.50 to $8.50 results in an increase in the quantity demanded from 19,200 to 20,800 units. The price elasticity of demand is A) 0.27. B) 3.75. C) 0.08. D) 8.0. E) 30.
A
20) A fall in the price of a good from $10.50 to $9.50 results in an increase in the quantity demanded from 18,800 to 21,200 units. The price elasticity of demand is A) 0.8. B) 1.25. C) 1.2. D) 8.0. E) 2.4.
C