Consider two firms with the following marginal abatement cost (MAC) functions: MAC₁ = 18-2E₁ MAC2 = 12 - E₂ Assume that marginal external damages (MED) from the aggregate emissions of both firms (EA = E₁ + E₂) is: MED=0.5EA- To achieve the socially efficient level of aggregate emissions (EA "), the government institutes a tradable permits (aka cap-and -trade) policy and sets the cap (i.e., the total number of permits) equal to the socially

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Consider two firms with the following marginal abatement cost (MAC)
functions:
MAC₁ = 18 - 2E₁
MAC₂ = 12 - E₂
Assume that marginal external damages (MED) from the aggregate
emissions of both firms (EA = E₁ + E₂) is:
MED = 0.5EA-
To achieve the socially efficient level of aggregate emissions (EA *), the
government institutes a tradable permits (aka cap-and -trade) policy and
sets the cap (i.e., the total number of permits) equal to the socially
efficient level of emissions (EA). If firm 2 is initially grandfathered 4
permits, it will buy/sell
permits.
Note: your answer can be positive or negative. If you provide
a positive answer, then you are saying that the firm is buying permits. If
you provide a negative answer, then you are saying that the firm
is selling permits. For example, and answer of -10 means that the firm is
selling 10 permits. As always, please round your final answer to two
decimal places if necessary.
Answer:
Transcribed Image Text:Consider two firms with the following marginal abatement cost (MAC) functions: MAC₁ = 18 - 2E₁ MAC₂ = 12 - E₂ Assume that marginal external damages (MED) from the aggregate emissions of both firms (EA = E₁ + E₂) is: MED = 0.5EA- To achieve the socially efficient level of aggregate emissions (EA *), the government institutes a tradable permits (aka cap-and -trade) policy and sets the cap (i.e., the total number of permits) equal to the socially efficient level of emissions (EA). If firm 2 is initially grandfathered 4 permits, it will buy/sell permits. Note: your answer can be positive or negative. If you provide a positive answer, then you are saying that the firm is buying permits. If you provide a negative answer, then you are saying that the firm is selling permits. For example, and answer of -10 means that the firm is selling 10 permits. As always, please round your final answer to two decimal places if necessary. Answer:
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