Question

Two firms, Washburn (W) and Pillsbury (P), emit effluent into the Mississippi River as part of...

Two firms, Washburn (W) and Pillsbury (P), emit effluent into the Mississippi River as part of their flour-making operations. This effluent causes problems with the biochemical balance in the river and so the government wants to cut the amount of emissions by 10,000 gallons per day. W has an older factory and so has a higher cost of reducing its effluent emissions.The two total abatement cost functions (with abatement measured in thousands of gallons per day) are:

TCw = 6 + 4Aw + 3Aw2

TCp = 4 + 2Ap + Ap2

a. Find each firm’s marginal abatement cost function.

b. The government decides to fix the effluent problem using tradable permits. What is the market price of a permit? How much abatement does each firm do?

c. How much money does the tradable permits plan save relative requiring W to do all the abatement itself?

Homework Answers

Answer #1

a.Abatement Cost Function

TCw= 6+4Aw+3Aw2

TCp= 4+2Ap+Ap​​​​​2

Here

6,4 quantum of emission(in measure of 1000Gallons) by Washburn (W) and Pillsburry (P)

4Aw, 2Ap are the abatement cost of the emission

3Aw2, Ap​​​​2​​​​ are the abatement permit cost of the emission

b. Market Price of the Permit

W = 3× 1000 = 3000

P= 1× 1000 = 1000

Abatement done by each firm

W = 6×1000=6000

P= 4×1000= 4000

c.If W did all abatement itself without considering permit

It will save upto 3000

​​​

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