When the price of a product rises by 10%, the quantity demanded falls by 6%. Find the price elasticity of demand E.
Price elasticity of demand worksheet with answers
1.Easy
%ΔP = +10%%ΔQ = −6%
E =
2.Easy
When the price of a product rises by 4%, the quantity demanded falls by 2.4%. Find the price elasticity of demand E.
%ΔP = +4%%ΔQ = −2.4%
E =
3.Medium
When the price of a ticket changes from €8.00 to €8.50, weekly sales change from 1000 to 880. Use the midpoint (arc) method to find the price elasticity of demand E.
P1 = €8.00P2 = €8.50Q1 = 1000Q2 = 880
E =
4.Medium
When the price of a ticket changes from €4.00 to €6.50, weekly sales change from 1200 to 600. Use the midpoint (arc) method to find the price elasticity of demand E.
P1 = €4.00P2 = €6.50Q1 = 1200Q2 = 600
E =
5.Hard
The demand for a product is Q = 600 − 20P, with P in euros. Find the price elasticity of demand E at a price of €24.
Q = 600 − 20PP = €24
E =
6.Hard
The demand for a product is Q = 1000 − 50P, with P in euros. At which price P is total revenue as large as possible?
Q = 1000 − 50P
P = €
Answer key
- 1. E = −0.6
- 2. E = −0.6
- 3. E = −2.106
- 4. E = −1.4
- 5. E = −4
- 6. P = 10 €
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