基礎econ-u02-d01
Price elasticity of demand is calculated as percentage change in quantity demanded divided by percentage change in price. If the PED has an absolute value greater than 1, demand is:
A. Price elastic✓ 答案
B. Price inelastic
C. Unit elastic
D. Perfectly inelastic
解說
|PED| > 1 means quantity demanded responds proportionally more than price, so demand is elastic. |PED| < 1 is inelastic and |PED| = 1 is unit elastic.