1. Suppose there are two firms that each emit 20 units of pollution, and the State Pollution Board wants to reduce this level to a total of 20 units between both firms. It will allocate 10 permits to each firm, and each permit will allow 1 unit of pollution per permit. Let Rị denote the pollution units abated (reduced) by firm 1 and R2 denotes the pollution units abated by firm 2. The firms have the following marginal costs of pollution reduction: MCR;=2R; MCR;=4R3. And the following total costs of pollution reduction TCR; = R;? (equal to the quantity of pollution reduction, squared) TCR; = 2R;? Note that since current pollution is 40 units, the policy will require R; + R2 = 20. a. Ifeach firm keeps its 10 permits, how much will they each spend in total to reduce emissions? (Hint: you can graph the MCR curves to find the areas for total cost. See figure 8.5 in textbook.) b. What is the cost-effective solution for the target of 20 units of total pollution abatement? c. If the firms trade (buy/sell) pollution permits and reach the cost-effective method of pollution reduction, which firm will be the buyer of permits, which firm will be the seller, and how many permits will be traded?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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1. Suppose there are two firms that each emit 20 units of pollution, and the State Pollution Board wants to reduce
this level to a total of 20 units between both firms. It will allocate 10 permits to each firm, and each permit will
allow 1 unit of pollution per permit.
Let R1 denote the pollution units abated (reduced) by firm 1 and R, denotes the pollution units abated by firm 2.
The firms have the following marginal costs of pollution reduction:
MCR;=2R;
MCR;=4R2.
And the following total costs of pollution reduction
TCR; = R;? (equal to the quantity of pollution reduction, squared)
TCR2 = 2R,?
Note that since current pollution is 40 units, the policy will require R1 + R = 20.
a. If each firm keeps its 10 permits, how much will they each spend in total to reduce emissions? (Hint: you can
graph the MCR curves to find the areas for total cost. See figure 8.5 in textbook.)
b. What is the cost-effective solution for the target of 20 units of total pollution abatement?
c. If the firms trade (buy/sell) pollution permits and reach the cost-effective method of pollution reduction,
which firm will be the buyer of permits, which firm will be the seller, and how many permits will be traded?
Transcribed Image Text:1. Suppose there are two firms that each emit 20 units of pollution, and the State Pollution Board wants to reduce this level to a total of 20 units between both firms. It will allocate 10 permits to each firm, and each permit will allow 1 unit of pollution per permit. Let R1 denote the pollution units abated (reduced) by firm 1 and R, denotes the pollution units abated by firm 2. The firms have the following marginal costs of pollution reduction: MCR;=2R; MCR;=4R2. And the following total costs of pollution reduction TCR; = R;? (equal to the quantity of pollution reduction, squared) TCR2 = 2R,? Note that since current pollution is 40 units, the policy will require R1 + R = 20. a. If each firm keeps its 10 permits, how much will they each spend in total to reduce emissions? (Hint: you can graph the MCR curves to find the areas for total cost. See figure 8.5 in textbook.) b. What is the cost-effective solution for the target of 20 units of total pollution abatement? c. If the firms trade (buy/sell) pollution permits and reach the cost-effective method of pollution reduction, which firm will be the buyer of permits, which firm will be the seller, and how many permits will be traded?
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