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determinant of Own Price Elasticity
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Presence (or absence) of substitutes
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determinant of Own Price Elasticity
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% of income spent on the good
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determinant of Own Price Elasticity
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Time
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Own Price Elasticity
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% increase in quantity demanded that occurs as a result of a 1% reduction in price, ceteris paribus
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Marshall Time Period 1
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Momentary run (very short), all factors of production are fixed
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Marshall Time Period 2
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Short run, some factors of production are fixed, some variable
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Marshall Time Period 3
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Long run, all factors of production are variable, adjustments possible
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Elastic demand curve
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Flatter, change in price leads to larger change in quantity demanded
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Inelastic demand curve
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Steeper, change in price leads to a smaller change in quantity demanded
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Producer tax incidence
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happens when a good is relatively elastic
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Consumer tax incidence
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happens when a good is relatively inelastic
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Elasticity formula
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% change in quantity / % change in price
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Own Price Elasticity formula
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(Q1-Q2)/.5(Q1+Q2) / (P1-P2)/.5(P1+P2)
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Elastic
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if own price elasticity absolute value is >1
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Inelastic
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if own price elasticity absolute value is <1
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Unitary elastic
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if own price elasticity absolute value =1