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econ 101
chapter 7
18
Economics
Undergraduate 1
12/11/2009

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Term
elasticity
Definition
how much a percentage change in price leads to a percentage change in quantity demanded or quantity supplied
Term
elasticity of demand
Definition
the percentage change in quantity demanded divided by the percentage change in price
Term
elasticity of supply
Definition
the percentage change in quantity supplied divided by the percentage change in price
Term
elastic
Definition
the elasticity calculated rom the appropriate formula has an absolute value greater than 1
Term
infinite elasticity
Definition
the extremely elastic situation where quantity change by an infinite amoun in response to any change in price
Term
inelastic
Definition
the elasticity calculated from the appropriate formula has an absolute value less than 1
Term
what determines the magnitued of elasticities?
Definition
1)the availability of close substitutes
2)whether the good is a necessity or a luxury
3)time
Term
zero elasticity
Definition
the highly inelazstic case in which a percentage change in price, no matter how large, results in zero change in the quantity
Term
normal good
Definition
a goo where the quantity demanded rises when income rises
Term
inferior good
Definition
a good where the quantity demanded declines as income increases
Term
cross-price elasticity of demand
Definition
the percentage change in the quantity of good A that is demanded a as a result of a percentage change in good B
Term
elasticity of labor supply
Definition
the percentage change in hourse worked divided by the percentage change in hours worked divided by the percentage change in wages
Term
elasticity of savings
Definition
the percentage change in the quantity of savings divided by the percentage change in interest rates
Term
price elasticity of demand
Definition
same as elasticity of demand
Term
deadweight loss is _______ when demand is more elastic
Definition
larger
Term
when inputs are easily available; the price elasticity of supply will be?
Definition
elastic
Term
when supply is inelastic who bears the tax?
Definition
producers
Term
when demand is inelastic who bears the burden of the tax?
Definition
consumers
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