The demand for cigarettes is given by P = 500 -0.2Q. Cigarettes are manufactured at a constant marginal cost of 50 and sold in a competitive market. What is the quantity of cigarettes sold in equilibrium? Qprivate = 2250 If cigarettes generate a marginal external cost of MEC = 0.05Q, what is the socially optimal level of cigarettes? QSocially optimal = 1800 Using Figure 1 on the right that already shows the market demand curve to illustrate the private and social MC curves. Also, point out the private market quantity, the socially optimal quantity, and the social welfare cost. 1) Using the line drawing tool, illustrate the private marginal cost curve. Label this curve as 'MC'. 2) Using the line drawing tool, illustrate the social marginal cost curve. Label this curve as 'MSC (Hint: to plot this correctly you may first want to plot the socially

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Chapter1: Making Economics Decisions
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The demand for cigarettes is given by
P = 500 -0.2Q.
Cigarettes are manufactured at a constant marginal cost of 50 and sold in a
competitive market.
What is the quantity of cigarettes sold in equilibrium?
Qprivate = 2250
If cigarettes generate a marginal external cost of MEC = 0.05Q, what is the
socially optimal level of cigarettes?
QSocially optimal = 1800
Using Figure 1 on the right that already shows the market demand curve to
illustrate the private and social MC curves. Also, point out the private market
quantity, the socially optimal quantity, and the social welfare cost.
1) Using the line drawing tool, illustrate the private marginal cost curve. Label this
curve as 'MC'.
2) Using the line drawing tool, illustrate the social marginal cost curve. Label this
curve as 'MSC". (Hint: to plot this correctly you may first want to plot the socially
optimal point 'B' in step 4 below)
3) Using the point drawing tool, illustrate the point that represents the
profit-maximizing price and quantity. Label this point as 'A'.
4) Using the point drawing tool, illustrate the point that represents the socially
optimal price and quantity. Label this point as 'B'.
5) Using the triangle drawing tool, illustrate the social welfare cost of the
externality. Label this area as 'Welfare Cost'.
Carefully follow the instructions above and only draw the required objects.
600-
550-
500-
450-
400-
350-
300-
250-
200-
150-
100-
50-
0-
0
Price
400
800
Figure 1
D
TTTTT
1200 1600 2000 2400 2800
Output
Q
선
Transcribed Image Text:The demand for cigarettes is given by P = 500 -0.2Q. Cigarettes are manufactured at a constant marginal cost of 50 and sold in a competitive market. What is the quantity of cigarettes sold in equilibrium? Qprivate = 2250 If cigarettes generate a marginal external cost of MEC = 0.05Q, what is the socially optimal level of cigarettes? QSocially optimal = 1800 Using Figure 1 on the right that already shows the market demand curve to illustrate the private and social MC curves. Also, point out the private market quantity, the socially optimal quantity, and the social welfare cost. 1) Using the line drawing tool, illustrate the private marginal cost curve. Label this curve as 'MC'. 2) Using the line drawing tool, illustrate the social marginal cost curve. Label this curve as 'MSC". (Hint: to plot this correctly you may first want to plot the socially optimal point 'B' in step 4 below) 3) Using the point drawing tool, illustrate the point that represents the profit-maximizing price and quantity. Label this point as 'A'. 4) Using the point drawing tool, illustrate the point that represents the socially optimal price and quantity. Label this point as 'B'. 5) Using the triangle drawing tool, illustrate the social welfare cost of the externality. Label this area as 'Welfare Cost'. Carefully follow the instructions above and only draw the required objects. 600- 550- 500- 450- 400- 350- 300- 250- 200- 150- 100- 50- 0- 0 Price 400 800 Figure 1 D TTTTT 1200 1600 2000 2400 2800 Output Q 선
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