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VOCAB Chapter 5
Elasticity and Its Application
| Term | Definition |
|---|---|
| Elasticity | A measure of the responsiveness of the quantity demanded or quantity supplied to one of its determinants. |
| Price elasticity of demand | A measure of how much the quantity demanded of a good responds to a change in the price of that good. |
| Elastic | When the quantity demanded or supplied responds substancially to a change in one of its determinants. |
| Inelastic | When the quantity demanded or supplied responds only slightly to a change in one of its determinants. |
| Total revenue | The amount paid by buyers and received by sellers of a good computed as P x Q |
| Income elasticity of demand | A measure of how much the quantity demanded of a good responds to a change in consumers' income. |
| Cross-price elasticity of demand | A measure of how much the quantity demanded of one good responds to a change in the price of another good. |
| Price elasticity of supply | A measure of how much the quantity supplied of a good responds to a change in the price of that good. |
| Normal good | A good characterized by a positive income elasticity. |
| Inferior good | A good characterized by a negative income elasticity. |