Price Elasticity of Demand

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Catherine Heath
Mind Map by Catherine Heath, updated more than 1 year ago
Catherine Heath
Created by Catherine Heath almost 7 years ago
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Price Elasticity of Demand
  1. % change in demand/ % change in price
    1. Formula
    2. Determinants
      1. Substitutes
        1. If there are lots of substitutes available the price is elastic
        2. Necessity
          1. Luxurys are elastic
            1. Necessitys are inelastic
            2. Habit
              1. Habit forming goodss, such as cigarettes, are price inelastic
              2. Income
                1. Time
                2. Responsiveness of demand to a change in price
                  1. Unity
                    1. P'eD=1
                    2. Inelastic
                      1. Demand not responsive to change in price
                        1. Raising prices increases revenue
                        2. P'eD<1
                          1. P'eD = 0
                            1. Demand is perfectly inelastic
                        3. Elastic
                          1. Demand responsive to change in price
                            1. Lowering prices increases revenue
                            2. P'eD>1
                              1. P'eD=infinity
                                1. Demand is perfectly elastic
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