Macroeconomics
13th Edition
ISBN: 9780134735696
Author: PARKIN, Michael
Publisher: Pearson,
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Chapter 12, Problem 4SPA
To determine
What is the supply curve of Pat .
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Explain how demand is seen by a purely competitive seller.
(c) If the rent of the building the firm occupies increases, what will happen to the firm’s profit-maximizing quantity of hats in the short run? Explain.
The components of marginal revenue
Andrew's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Andrew produced eight fire engines, but he has decided to increase production to nine fire engines. The following graph shows the demand curve Andrew faces. As you can see, to sell the additional engine, Andrew must lower his price from $80,000 to $60,000 per fire engine. Note that although Andrew gains revenue from the additional engine he sells, he also loses revenue from the initial eight engines because he sells them all at the lower price.
Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial eight engines by selling at $60,000 rather than $80,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $60,000.
(GRAPH 1)
Andrew _____ increase production from 8 to 9 fire engines, because revenue…
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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- Describe how we can identify a competitive firm’s short-run supply curve.arrow_forwardMindy's salon is a small business that acts as a price taker (MR=P). The prevailing market price for each haircut is $20. Mindy's cost are given by Total cost = 0.1q^2 + 10q + 50 where q = the number of customers a day. a. How many customers should Mindy choose to maximize profit? b. Calculate Mindy's maximum daily profit. c. Graph these results, and label Mindy's supply curve.arrow_forwardConsider the information of Firm C on the attached figure and answer the following: Calculate TVC and Ceteris paribus, if the price falls below_________, Firm C will have to shut down and exit the market Ceteris paribus, Firm C will make a normal profit at the price of________ Firm C achieves an allocative efficient level of output by producing_______ units of output.arrow_forward
- “That segment of a competitive firm’s marginal-cost curve that lies above its average-variable-cost curve constitutes the shortrun supply curve for the firm.” Explain using a graph and words.arrow_forwardThe graph below shows the market supply and market demand curves for pencilsarrow_forwardProcter & Gamble Co. is a major soap producer. All of the following, except one, would shift its supply curve of liquid soap to left . Which is the exception?a. an increase in the price of bar soapb. an increase in the price of a key ingredient of liquid soapc. environmental regulations force Procter & Gamble to use a more costly technology to produce liquid soapd. a decrease in the price of liquid soape. an increase in the wage rate for factory workers who produce liquid soaparrow_forward
- Which of the following will not cause the demand for product K to change?arrow_forwardBecause of increasing marginal cost, most supply curvesA) are horizontal. B) have a negative slope. C) are vertical. D) have a positive slope.arrow_forwardplease answer using a supply and demand graph to demonstartearrow_forward
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