DSE 經濟科：彈性

1. If the price elasticity of demand for a good is 0.5, a 10% increase in price will cause the quantity demanded to:

2. A firm increases the price of its product. If the demand is price elastic, total revenue will:

3. The price elasticity of supply of a product is likely to be more elastic in the long run because:

4. A firm knows that the price elasticity of demand for its product is -1.5. If the firm cuts the price by 10%, the percentage change in total revenue is approximately:

5. Which of the following correctly defines price elasticity of demand?

6. Which factor would make the price elasticity of demand for a good more elastic?

7. If the cross elasticity of demand between goods X and Y is -2, then a 5% increase in the price of X will cause the quantity demanded of Y to:

8. For a straight-line downward-sloping demand curve, the price elasticity of demand at the midpoint of the curve is:

9. A bookstore cuts the price of a bestseller by 10% and total revenue from the book rises. The price elasticity of demand for the book is:

10. A 10% rise in consumers' incomes leads to a 5% fall in demand for instant noodles. Instant noodles are:

11. Price rises from $20 to $25 and quantity demanded falls from 100 to 80. Using the original values as the base, PED equals:

12. PED = −0.8 and the firm raises price. Total revenue will:

13. YED = +1.5. The good is:

14. The cross elasticity of demand for tea with respect to the price of coffee is +0.5. Tea and coffee are: