Elasticity of Demand
ICSE · Class 10 · Economics
All formulas from Elasticity of Demand in ICSE Class 10 Economics. Key equations, constants, and identities for board exam preparation.
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Meaning and Core Idea
Ed = Percentage change in quantity demanded / Percentage change in price
Ed = (ΔQ / Q) / (ΔP / P)
Ed = (ΔQ / ΔP) × (P / Q)
Types of Elasticity of Demand
Ei = Percentage change in demand / Percentage change in income
Ei = (ΔQ / Q) / (ΔY / Y)
Ec = Percentage change in demand of commodity X / Percentage change in price of commodity Y
Ec = (ΔQx / Qx) / (ΔPy / Py)
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