Principles of Macroeconomics (MindTap Course List)
7th Edition
ISBN: 9781285165912
Author: N. Gregory Mankiw
Publisher: Cengage Learning
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Chapter 17, Problem 1QCMC
To determine
Nominal and real variables and money neutrality.
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"Whether the regulator sells or gives away tradeable emission
permits free of charge, the quantities of emissions produced by
firms are the same."
Assume that there are n identical profit-maximising firms where
profit for each firm is given by π(e) with л'(e) > 0; π"(e) <
0 and e denotes emissions. Individual emissions summed over
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D(E). Show that the regulator achieves the optimal level of total
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Case (i) the firm purchases all permits;
Case (ii) the firm receives all permits free; and
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Case (iii) the firm purchases a portion of its permits and receives
the remainder free of charge.
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