# Applications of price elasticity concept

Assume that the demand for plastic surgery price is inelastic. Are the following statements true or false? Explain your answer

1.When the price of plastic surgery increases, the number of operations decreases.

2.The percentage change in the price of plastic surgery is less than the percentage change in quantity demanded.

3.Changes in the price of plastic surgery do not affect the number of operations.

4.Quantity demanded is quite responsive to changes in price.

5.The marginal revenue of another operation is negative.

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#### Solution Preview

1.When the price of plastic surgery increases, the number of operations decreases.

True, basic principal of demand says that price and quantity demanded have an inverse relationship.

2.The percentage change in the price of plastic surgery is less than the ...

#### Solution Summary

Solution determines if the given statements are true or false based upon the information provided.

Application of elasticity concepts

Questions 1 through 6, refer to the following table showing a demand schedule:

Price Quantity Demanded

$200 1000

$150 1400

$100 1800

1. If price falls from $200 to $150, what is the elasticity of demand over this range?

A. -0.625

B. -1.0

C. -1.17

D. -2.5

E. -3.0

2. As output increases from 1,000 to 1,400 what is marginal revenue?

A. $25

B. $50

C. -$400

D. -$25

E. -$75

3. If price falls from $200 to $150,

A. Arrows representing the price and quantity affects both point down.

B. An arrow representing the price effect points down and is longer than an arrow for the quantity effect.

C. An arrow representing the price effect points down and is shorter than an arrow for the quantity effect.

D. Arrows representing the price and quantity effects both point up.

E. Total revenue moves in the same direction as the arrow representing the price effect.

4. If price falls from $150 to $100, what is the elasticity of demand over this range?

A. -0.625

B. -1.0

C. -1.17

D. -2.5

E. -3.0

5. As output rises from 1,400 to 1,800, what is marginal revenue?

A. $25

B. $50

C. -$400

D. -$50

E. -$75

6. If price falls from $200 to $150,

A. Arrows representing the price and quantity affects both point down.

B. An arrow representing the price effect points down and is longer than an arrow for the quantity effect.

C. An arrow representing the quantity effect points up and is shorter than an arrow for the price effect.

D. Arrows representing the price and quantity effects both point up.

E. Total revenue moves in the same direction as the arrow representing the quantity effect.

7. If price falls from $150 to $100,

A. Arrows representing the price and quantity affects both point down.

B. An arrow representing the price effect points down and is shorter than an arrow for the quantity effect.

C. Total revenue moves in the same direction as the arrow representing the price effect.

D. The arrow representing the price effect points down and the arrow representing the quantity effect points up.

E. Both c and d

8. Suppose that the Tennessee Titans' owner, Bud Adams, is considering a plan in which fans who donate blood get a $20 reduction in their ticket price. If both ticket REVENUES and blood donations (i.e., number of pints donated) rise with this plan, which of the following is true?

A. The demand for Tennessee Titans' tickets is price elastic.

B. The demand for Tennessee Titans' tickets is price inelastic.

C. The demand for blood donations is price elastic.

D. The demand for blood donations is price inelastic.