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Microecon
Ch. 6 Elasticity
Term | Definition |
---|---|
elasticity | degree of responsiveness a curve has with respect to price. |
elastic | responsive, curve greater than 1 |
inelastic | unresponsive, curve less than 1 |
long run | distant future, buyers and sellers make permanent decisions like exiting market or decreasing consumption |
midpoint formula | (x1+x2/2, y1+y2/2) |
determinants of price elasticity of demand | time, substitutes, luxury, necessity |
perfectly inelastic demand/supply | vertical line |
perfectly elastic demand/supply | horizontal line |
total revenue | total funds received by a seller of g/s |
cross-price elasticity of demand | % change in quantity demanded of one good divided by % change in $ of another good |
income elasticity of demand | % change in quantity demanded divided by % change in income |
price elasticity of supply | % change in quantity supplied divided by % change in $ |