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econ.income-elasticity Calculator
Calculates income elasticity of demand and classifies the good as normal, inferior, or luxury based on the sign and magnitude. Negative income elasticity (inferior goods like instant noodles) means demand falls as incomes rise.
Inputs
Q1
Count or number of items involved.
Q2
Count or number of items involved.
Income1
Reference formula or conversion factor shown for context.
Income2
Reference formula or conversion factor shown for context.
Results
income elasticity of demand
Sample size or count used in the calculation.
good type
The classification or type assigned based on the inputs.
% Δ quantity
Sample size or count used in the calculation.
% Δ income
Sample size or count used in the calculation.
luxury examples
Reference formula or conversion factor shown for context.