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Elasticity
Question | Answer |
---|---|
Price Elasticity of Demand (PED) | responsiveness of quantity demand given a change in price |
Values of price elastic, price inelastic, unitary elastic, perfectly inelastic, perfectly elastic | X>1 , X<1 , X=1 ,X=0 , X=Infinite |
Determinants of Price elasticity | Substitutes, Percentage of income, Luxury vs Necessity, Addictive nature, Time period |
Income Elasticity of Demand (YED) | Inferior goods are negative, Normal goods are 0-1, Luxury are >1 |
Cross Elasticity of Demand (CED) | Positive = Substitutes, Negative = Compliments |
PED | % change in Q.D. / % change in Price |
YED | % change in Q.D. / % change in Income |
CED | % change in Q.D. Good A / % change in Price Good B |