Micro Exam 1 - Ch 5

If the price elasticity of demand for a good is 6, then a 3 percent decrease in price results in a. a 20 percent increase in the quantity demanded. b. an 18 percent increase in the quantity demanded. c. a 2 percent increase in the quantity demanded. d. a 1.8 percent increase in the quantity demanded.

b. an 18 percent increase in the quantity demanded.

Consider luxury weekend hotel packages in Las Vegas. When the price is $250, the quantity demanded is 2,000 packages per week. When the price is $280, the quantity demanded is 1,700 packages per week. Using the midpoint method, the price elasticity of demand is about a. 1.43, and an increase in the price will cause hotels' total revenue to decrease. b. 1.43, and an increase in the price will cause hotels' total revenue to increase. c. 0.70, and an increase in the price will cause hotels' total revenue to decrease. d. 0.70, and an increase in the price will cause hotels' total revenue to increase.

a. 1.43, and an increase in the price will cause hotels' total revenue to decrease.

The price elasticity of demand measures a. buyers' responsiveness to a change in the price of a good. b. the extent to which demand increases as additional buyers enter the market. c. how much more of a good consumers will demand when incomes rise. d. the movement along a supply curve when there is a change in demand.

a. buyers' responsiveness to a change in the price of a good.

When the price of used cds is $4, Daphne buys five per month. When the price is $3, she buys nine per month. Daphne's demand for used cds is a. elastic, and her demand curve would be relatively flat. b. elastic, and her demand curve would be relatively steep. c. inelastic, and her demand curve would be relatively flat. d. inelastic, and her demand curve would be relatively steep.

a. elastic, and her demand curve would be relatively flat.

A good will have a more elastic demand, the a. greater the availability of close substitutes. b. more broad the definition of the market. c. shorter the period of time. d. more it is regarded as a necessity.

a. greater the availability of close substitutes.

Suppose there is a 6 percent increase in the price of good X and a resulting 6 percent decrease in the quantity of X demanded. Price elasticity of demand for X is a. 0. b. 1. c. 6. d. 36.

b. 1.

Elasticity of demand is closely related to the slope of the demand curve. The more responsive buyers are to a change in price, the a. steeper the demand curve will be. b. flatter the demand curve will be. c. further to the right the demand curve will sit. d. closer to the vertical axis the demand curve will sit.

b. flatter the demand curve will be.

When the local used bookstore prices economics books at $15 each, it generally sells 70 books per month. If it lowers the price to $7, sales increase to 90 books per month. Given this information, we know that the price elasticity of demand for economics books is about a. 2.91, and an increase in price from $7 to $15 results in an increase in total revenue. b. 2.91, and an increase in price from $7 to $15 results in a decrease in total revenue. c. 0.34, and an increase in price from $7 to $15 results in an increase in total revenue. d. 0.34, and an increase in price from $7 to $15 results in a decrease in total revenue.

c. 0.34, and an increase in price from $7 to $15 results in an increase in total revenue.

If a 15% increase in price for a good results in a 20% decrease in quantity demanded, the price elasticity of demand is a. 0.75. b. 1.25. c. 1.33. d. 1.60.

c. 1.33.

Suppose that when the price of wheat is $2 per bushel, farmers can sell 10 million bushels. When the price of wheat is $3 per bushel, farmers can sell 8 million bushels. Which of the following statements is true? The demand for wheat is a. income inelastic, so an increase in the price of wheat will increase the total revenue of wheat farmers. b. income elastic, so an increase in the price of wheat will increase the total revenue of wheat farmers. c. price inelastic, so an increase in the price of wheat will increase the total revenue of wheat farmers. d. price elastic, so an increase in the price of wheat will increase the total revenue of wheat farmers.

c. price inelastic, so an increase in the price of wheat will increase the total revenue of wheat farmers.

If the price elasticity of demand for a good is 4.0, then a 10 percent increase in price results in a a. 0.4 percent decrease in the quantity demanded. b. 2.5 percent decrease in the quantity demanded. c. 4 percent decrease in the quantity demanded. d. 40 percent decrease in the quantity demanded.

d. 40 percent decrease in the quantity demanded.

The price elasticity of demand for bread a. is computed as the percentage change in quantity demanded of bread divided by the percentage change in price of bread. b. depends, in part, on the availability of close substitutes for bread. c. reflects the many economic, social, and psychological forces that influence consumers' tastes for bread. d. All of the above are correct.

d. All of the above are correct.

Suppose that when the price of ginger ale is $2 per bottle, firms can sell 4 million bottles. When the price of ginger ale is $3 per bottle, firms can sell 2 million bottles. Which of the following statements is true? a. The demand for ginger ale is income inelastic, so an increase in the price of ginger ale will increase the total revenue of ginger ale producers. b. The demand for ginger ale is income elastic, so an increase in the price of ginger ale will increase the total revenue of ginger ale producers. c. The demand for ginger ale is price inelastic, so an increase in the price of ginger ale will increase the total revenue of ginger ale producers. d. The demand for ginger ale is price elastic, so an increase in the price of ginger ale will decrease the total revenue of ginger ale producers.

d. The demand for ginger ale is price elastic, so an increase in the price of ginger ale will decrease the total revenue of ginger ale producers.

Demand is elastic if the price elasticity of demand is a. less than 1. b. equal to 1. c. equal to 0. d. greater than 1.

d. greater than 1.

The greater the price elasticity of demand, the a. more likely the product is a necessity. b. smaller the responsiveness of quantity demanded to a change in price. c. greater the percentage change in price over the percentage change in quantity demanded. d. greater the responsiveness of quantity demanded to a change in price.

d. greater the responsiveness of quantity demanded to a change in price.

If the price of natural gas rises, when is the price elasticity of demand likely to be the highest? a. immediately after the price increase b. one month after the price increase c. three months after the price increase d. one year after the price increase

d. one year after the price increase