Macroeconomics
13th Edition
ISBN: 9780134735696
Author: PARKIN, Michael
Publisher: Pearson,
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Question
Chapter 12, Problem 17APA
To determine
Whether the firms enter or exit the market in the long run, and the market price and quantity in the long run.
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a. Demonstrate what happens in the short run on both graphs when a new medical study shows soy beans to be an effective weight-loss supplement. On the market graph, you will shift a curve (or curves). On the firm's graph, use "Price 2" to draw a new price line for the firm. On both graphs, indicate the new equilibrium points with the points labeled B.
b. Now, demonstrate the changes that get both graphs back to long run equilibrium. Use shift(s) for the market and "Price 3" for the firm. Indicate the new long-run equilibrium with the green points labeled C.
This company wants to maximize its profit in the short run. How much is a profit-maximizing quantity and price in the short run? Why? How much is its profit at that profit-maximizing quantity?
Which of the following will not cause the demand for product K to change?
Chapter 12 Solutions
Macroeconomics
Ch. 12.1 - Prob. 1RQCh. 12.1 - Prob. 2RQCh. 12.1 - Prob. 3RQCh. 12.1 - Prob. 4RQCh. 12.2 - Prob. 1RQCh. 12.2 - Prob. 2RQCh. 12.2 - Prob. 3RQCh. 12.3 - Prob. 1RQCh. 12.3 - Prob. 2RQCh. 12.3 - Prob. 3RQ
Ch. 12.4 - Prob. 1RQCh. 12.4 - Prob. 2RQCh. 12.5 - Prob. 1RQCh. 12.5 - Prob. 2RQCh. 12.5 - Prob. 3RQCh. 12.6 - Prob. 1RQCh. 12.6 - Prob. 2RQCh. 12.6 - Prob. 3RQCh. 12.6 - Prob. 4RQCh. 12 - Prob. 1SPACh. 12 - Prob. 2SPACh. 12 - Prob. 3SPACh. 12 - Prob. 4SPACh. 12 - Prob. 5SPACh. 12 - Prob. 6SPACh. 12 - Prob. 7SPACh. 12 - Prob. 8SPACh. 12 - Prob. 9SPACh. 12 - Prob. 10APACh. 12 - Prob. 11APACh. 12 - Prob. 12APACh. 12 - Prob. 13APACh. 12 - Prob. 14APACh. 12 - Prob. 15APACh. 12 - Prob. 16APACh. 12 - Prob. 17APACh. 12 - Prob. 18APACh. 12 - Prob. 19APACh. 12 - Prob. 20APACh. 12 - Prob. 21APACh. 12 - Prob. 22APACh. 12 - Prob. 23APA
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- Sketch a supply curve that represents the supply of salt in the short run. Explainyour diagram? Add to your first diagram a long run supply curve for salt; explain your diagram.?arrow_forwardAssume that the market for pasta is in long-run equilibrium and that the pasta industry is a constant-cost industry. Explain with a graph and words what will happen to the price and quantity in the market when the demand for pasta decreases.arrow_forwardexplain your answers in detail and use graphs whenever appropriate: The market for rental cars is very competitive. How would the following developments affect the quantity of car rentals that a typical rental car company wants to supply in the short run? a. With the easing of fears about Covid 19, people are more excited to travel than before. b. Local governments reduce the yearly fee that rental car companies have to pay for their facilities. Note, these fees do not vary with how many cars the company rents. c. Rental car companies have to pay higher wages for their workers. Suppose that initially the market for rental cars is in long-run equilibrium. a. What does the fall in the yearly fee rental car companies have to pay for their facilities do to the profits of a typical rental car company in the short run? b. What will happen to the equilibrium price and quantity of rental cars in the long run? Why? What will happen to the profits of a typical rental car company in the long run?arrow_forward
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