The accompanying table shows the price and yearly quantity sold of souvenir t-shirts in the town of Crystal Lake, according to the average income of the tourists visiting. Price Qty. Demanded with Average Income of $20,000 Qty. Demanded when Average Income is $30,000 $4 3,000 5,000 $5 2,400 4,200 $6 1,600 3,000 $7 800 1,800   Using the midpoint method, calculate the price elasticity of demand when the price of a t-shirt rises from $5 to $6 and the average tourist income is $20,000. Also, calculate it when the average tourist income is $30,000. Using the midpoint method, calculate the income elasticity of demand when the price of a t-shirt is $4 and the average tourist income increases from $20,000 to $30,000. Also calculate it when the price is $7.

Economics:
10th Edition
ISBN:9781285859460
Author:BOYES, William
Publisher:BOYES, William
Chapter20: Elasticity: Demand And Supply
Section: Chapter Questions
Problem 8E
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The accompanying table shows the price and yearly quantity sold of souvenir t-shirts in the town of Crystal Lake, according to the average income of the tourists visiting.

Price

Qty. Demanded with Average Income of $20,000

Qty. Demanded when Average Income is $30,000

$4

3,000

5,000

$5

2,400

4,200

$6

1,600

3,000

$7

800

1,800

 

  1. Using the midpoint method, calculate the price elasticity of demand when the price of a t-shirt rises from $5 to $6 and the average tourist income is $20,000. Also, calculate it when the average tourist income is $30,000.
  2. Using the midpoint method, calculate the income elasticity of demand when the price of a t-shirt is $4 and the average tourist income increases from $20,000 to $30,000. Also calculate it when the price is $7.
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