
EBK PRINCIPLES OF MICROECONOMICS (SECON
2nd Edition
ISBN: 9780393616149
Author: Mateer
Publisher: W.W.NORTON+CO. (CC)
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Chapter 7, Problem 1QR
To determine
Explain the effect of positive externalities with
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Explanation of Solution
In a market, if the positive externalities are present, free market will not produce as much of an item as would be socially optimal, as firms do not necessarily include the external benefits they are providing in their decision-making process. Thus, when third parties enjoy the positive externalities, then the market will under-produce.
Figure 1 shows the internal
From Figure 1, Qs is the social optimal quantity because it includes the external benefits to society and is taken as the total social benefits of consuming.
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EBK PRINCIPLES OF MICROECONOMICS (SECON
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