click below
click below
Normal Size Small Size show me how
Elasticity
LC Economics
Term | Definition |
---|---|
Price Elasticity of Demand | Measures the percentage change in quantity demanded in response to a percentage change in price of a good or service |
Relatively Elastic | A change in price will cause a more than proportionate change in quantity demanded. |
Relatively Inelastic | A change in price will cause a less than proportionate change in quantity demanded. |
Unitary elastic | A change percentage in price will cause a proportionate change in quantity demanded. Revenue for the firm will not change. A |
Perfectly Elastic | An increase in price of that good causes quantity demand to fall to zero. |
Perfectly Inelastic | A change in price of that good causes no change in quantity demanded |
Goods that do NOT obey the law of demand will have this sign in a PED calculation | Plus |
If a good has an elasticity calculation between 0 and -1 it is said to be... | Relatively Inelastic |
If a good has PED calculation equal to 1 or -1 it is said to be... | Unitary Elastic |
Factors that influence PED | The availability of close substitutes, Complementary goods, Is the commodity a luxury or necessity?, The proportion of income which is spent on the commodity, The durability of the commodity, Expectations as to future changes in price |
Income Elasticity of Demand | Measures the percentage change in quantity demanded in response to a percentage change in real income |
Normal Goods have a YED | Positive |
Inferior Goods have a YED | Negative |
Cross Elasticity of Demand | Measures the percentage change in quantity demanded in response to a percentage change in price of another specific good |
Substitute Goods have a CED | Positive |
Complementary Goods have a CED | Negative |
Price Elasticity of Supply | Measures the relationship between the percentage change in quantity supplied in response to a percentage change in price of a good or service |
Factors that influence PES | Firm’s Capacity, Mobility of Factors of Production, Time period, Nature of the product, Storage Costs, Cost Conditions, Products in joint supply, Stock |