Problem 1
Assume that there are two factories, each emitting 20 units of pollutants into the environment, for a total of 40 units in their region. The government sets an aggregate abatement standard (AST) of 20 units. The polluters' cost functions are as follows, where the dollar values are in thousands:
Polluter 1: TAC1 = 20 + 0.75(A1)2, Polluter 2: TAC2 = 15 + 0.5(A2)2, MAC1 = 1.5A1, MAC2 = A2.
A) for cost efficient abatement standard level
MAC should be Equalized across all polluters, in a way that total abatement done is 20 units
B) now A1 = A2 = 10
Then MAC1= 1.5*10 = 15
MAC2 =10
As two MAC are not equal, so it's not cost efficient
Now, TAC1 = 20+.75*10^2
= 95
TAC2 = 15+.5*10^2
= 65
Total cost = 95+65
=160
c) t = 16
then for each firm, it will abate till, MAC is less than or equal to 16
If MAC rises above t= 16, then firm will prefer to pay tax = 16,
thus at eqm, MAC = 16
so for polluter 1
1.5A1 = 16
A1 = 16/1.5 = 10.667
A2 = t = 16
.
no, it's not cost efficient strategy, though with this tax , MAC is Equalized across two polluters , & equals to 16
But, the total abatement done = 10.667+16 = 26.6667 , exceeds the govt standard of 20 units,
Hence it's not cost effective
.
D) in permit system
At eqm, MAC 1 = MAC2 , & A1+A2 = 20
1.5A1 = A2
1.5A1 = 20-A1
2.5A1 = 20
A1* = 8
A2* = 12
then eqm MAC = 1.5*8
= $ 12
eqm permit price = $12
Now TAC1 = 20+.75*8^2 = 68
TAC2 = 15+.5*12^2
= 87
Total cost = 68+87
= 155
thus permit system leads to lowest Total abatement cost
Problem 1 Assume that there are two factories, each emitting 20 units of pollutants into the...
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