Positive Externalities

Cards (16)

  • What is a positive externality?
    A benefit to a third party.
  • What is an external benefit?
    A benefit to a third party.
  • What is a private benefit?
    A benefit to the consumer.
  • What equals social benefit?
    External benefit+Private benefit=Social benefit
  • What is Marginal Private Benefit (MPB)?
    Benefit to the consumer of consuming an additional unit of output.
  • What is Marginal External Benefit (MEB)?
    Benefit to third parties from the consumption of an extra unit of output.
  • What is Marginal Social Benefit?
    Total benefit to society from consuming an extra unit.
    MPB+MEB=MSB
  • Describe positive externality in terms of social benefits and private benefits?
    Social benefits>Private benefits
  • Does positive externality relate to consumption or production on the diagram?
    Consumption
  • On the positive externality diagram, where is Q1 and Q2 on the y-axis?
    Q1 is on the right and Q2 is on the left
  • On the positive externality diagram, what does the gap between Q1 and Q2 represent?
    Underconsumption
  • On the positive externality diagram, what lines meet to form the social optimum equilibrium?
    Marginal Social Benefit = Marginal Social Cost
  • On the positive externality diagram, does the social optimum equilibrium meet at Q1 or Q2?
    Q1
  • On the positive externality diagram, what lines meet to form the free market equilibrium?
    Marginal Private Benefit = Marginal Private Cost
  • On the positive externality diagram, does the free market equilibrium form on Q1 or Q2?
    Q2
  • On the positive externality diagram, is there a welfare gain or a welfare loss?
    Welfare gain