Economics - Microeconomics - Price elasticity of demand - Price Elasticity of Demand
A worked example calculating PED. Formula: PED = % change in quantity demanded / % change in price. Example: 'Coffee price rises from $4 to $5 (25% increase). Quantity demanded falls from 100 to 70 (30% decrease).' Step 1: Calculate % change in price = (5-4)/4 × 100 = 25%. Step 2: Calculate % change