EC120 Lecture Notes - Lecture 9: Price Ceiling, Price Floor, Consumption Tax
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How to easily sellers can change the quantity produced. Ex. the supply of beach front properties is harder vary (thus more elastic) than the supply of new cars. For many goods the price elasticity of supply will be greater in the long run. When supply is inelastic an increase and demand has a bigger impact on price than quantity. When supply is elastic, an increase and demand has a bigger impact on quantity than price. Supply often becomes less elastic as quantity rises, due to capacity limits. Income elasticity of demand: measures the response of qd to a change and consumer income. An increase in income causes an increase and demand for normal goods. Cross-price elasticity of demand: measures the response of demand for one good to change in the price of another good. Substitutes: two goods for which an increase in price of one good leads to an increase and demand for another.