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21) If the price of a movie ticket increases by

Question : 21) If the price of a movie ticket increases by : 1844671

21) If the price of a movie ticket increases by 4 percent and the quantity of movies demanded falls by 2 percent, the price elasticity of demand is

A) 2.0.

B) 4.0.

C) 0.5.

D) some amount that cannot be determined without more information.

22) If the price of a burger decreases by 5 percent and as a result the quantity of burgers demanded increases by 8 percent, the price elasticity of demand equals

A) 0.60.

B) 0.40.

C) 1.60.

D) 0.625.

23) If the quantity demanded of hamburgers increases by 20 percent when the price decreases by 5 percent, then the price elasticity of demand is

A) 0.25.

B) 4.0.

C) 20.0.

D) 5.0.

24) Suppose that the quantity of pizza demanded decreased by 15 percent after an increase in price of 10 percent. What is the price elasticity of demand for pizza?

A) 1.50.

B) 0.67.

C) -1.50.

D) -0.67.

25) Suppose a drought increased the price of corn by 25 percent while it decreased the quantity by 50 percent. The price elasticity of demand equals

A) 2.00.

B) 0.50.

C) 20.0.

D) Zero.

26) The worst drought in over 50 years has decimated crops of soy beans and corn in the United States. (Source: New York Times, August 10, 2012). Because the production of corn has decreased, prices are expected to increase by 25 percent. These data are insufficient for calculating the elasticity of demand because we also need to know the

A) percentage increase in income.

B) percentage increase in quantity.

C) percentage decrease in quantity.

D) increase in bushels per acre.

27) When the price of a movie ticket increases from $5 to $7, the quantity of tickets demanded decreases from 600 to 400 a day. What is the price elasticity of demand for movie tickets?

A) 0.83

B) 1.20

C) 1.00

D) 2.32

28) Suppose a rise in the price of peaches from $5.50 to $6.50 per bushel decreases the quantity demanded from 12,500 to 11,500 bushels. The price elasticity of demand is

A) 0.5.

B) 1.0.

C) 2.0.

D) 1000.0.

29) Taco Bell's economists determine that the price elasticity of demand for their tacos is 2.0. So, if Taco Bell raises the price of its tacos by 6.0 percent, the quantity demanded will decrease by ________ percent.

A) 2.0

B) 3.0

C) 6.0

D) 12.0

30) Using average price and average quantity, calculate the price elasticity of demand if a price rise from $8 to $10 and decreases the quantity demanded from 20 units to 15 units. The price elasticity of demand equals

A) 2.5.

B) 1.29.

C) 0.78.

D) 0.06

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