A) The total abatement is maximised under the cap and trade equilibrium. B) In the cap and trade equilibrium, Firm B’s gains from trade is (P* – P A) x (E X – E*/2)/2. C) Under the 50:50 split, Firm A’s total cost of abatement is given by PA x E*/2. D) Under cap and trade, Firm B pays Firm A an amount P* x (E X – E*/2), where E X is the abatement of Firm A after trade.
A) The total abatement is maximised under the cap and trade equilibrium. B) In the cap and trade equilibrium, Firm B’s gains from trade is (P* – P A) x (E X – E*/2)/2. C) Under the 50:50 split, Firm A’s total cost of abatement is given by PA x E*/2. D) Under cap and trade, Firm B pays Firm A an amount P* x (E X – E*/2), where E X is the abatement of Firm A after trade.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
A) The total abatement is maximised under the cap and trade equilibrium.
B) In the cap and trade equilibrium, Firm B’s gains from trade is (P* – P A) x (E X – E*/2)/2.
C) Under the 50:50 split, Firm A’s total cost of abatement is given by PA x E*/2.
D) Under cap and trade, Firm B pays Firm A an amount P* x (E X – E*/2), where E X is the abatement of Firm A after trade.

Transcribed Image Text:The figure shows the two outcomes of abatement using CO2 permits: the
50:50 split and the cap and trade equilibrium. The total amount of abatement is
E*. Based on this information, which of the following statements is correct?
50-50 initial
split of permits
Split after trading
MPCA, Firm B
Abatement by B
Abatement by A
MPCA, Firm A
Total abatement required, E*
(e.g. units of CO, abated)
Abatement costs, Firm A ($)
Abatement costs, Firm B ($)
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