Suppose that we are considering the market for windmills. The private demand for electric cars is given buy: ?d = 160 − 2? And the private supply of electric cars  is given by: ?s = ? − 20 Suppose also that electrci cars  produce a positive externality, with a Marginal Economic Benefit of $30 per unit. 5. What would be the private market equilibrium (p* & Q*)?  6. What is the socially optimal equilibrium (p* & Q*)?  7. What is Producer Surplus and Consumer Surplus in the private market equilibrium?

Microeconomics A Contemporary Intro
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ISBN:9781285635101
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Chapter17: Externalities And The Environment
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Suppose that we are considering the market for windmills. The private demand for electric cars is
given buy:

?d = 160 − 2?

And the private supply of electric cars  is given by:

?s = ? − 20

Suppose also that electrci cars  produce a positive externality, with a Marginal Economic Benefit of
$30 per unit.

5. What would be the private market equilibrium (p* & Q*)? 

6. What is the socially optimal equilibrium (p* & Q*)? 


7. What is Producer Surplus and Consumer Surplus in the private market equilibrium?


8. What is the increase in Total Surplus from moving from the private market equilibrium
to the socially optimal equilibrium? 

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