Macroeconomics
13th Edition
ISBN: 9780134744452
Author: PARKIN, Michael
Publisher: Pearson,
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Chapter 12, Problem 11APA
To determine
Describe the when-to-work decision if the technology advances.
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Click on the link to study the Economics in the News. Then answer the following questions.
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3. Use the AS-AD model to show the changes in aggregate demand and aggregate supply that occurred in
2016 and 2017 that brought the economy to its situation in mid-2017.
The graph shows the U.S. economy in the second quarter of 2016.
Draw and label the long-run aggregate supply curve in 2017.
Draw and label the aggregate demand curve in 2017.
Draw a point at the short-run macroeconomic equilibrium in the second quarter of 2017.
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Price level (GDP deflator, 2009=100)
LAS 16
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$16.7
100-
16.6
16.7 16.8 16.9 17.0
SAS 16
= SAS17
AD 16
17.1
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17.3
Real GDP (trillions of 2009 dollars)
>>> Draw only the objects specified in the question.
LV
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Price level (GDP deflator, 2009=100)
Fed Raises Rates As Job Gains, Firming Inflation Stoke Confidence
The U.S. Federal Reserve raised interest rates on Wednesday. The rate rise was the second in three months.
This second rise comes in an economy that is growing faster and creating jobs at a more rapid pace. These
gains are accompanied by a rising inflation rate.
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Source: Reuters, March 15, 2017
Describe the process by which the Fed's action reported in the news clip flows through the economy.
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LAS
SAS
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When the Fed raises the interest rate,
A. aggregate demand decreases and short-run aggregate supply increases, and the price level falls
B. aggregate demand increases and real GDP increases
C. aggregate demand decreases and the price level falls
D. short-run aggregate supply increases and the price level falls
The graph shows the long-run aggregate supply curve and the short-run aggregate supply curve.
Draw the AD curve to illustrate the state of the economy…
Price level (GDP deflator, 2009=100)
Millennials Are Starting to Spend More
Millennials, who spend an average of $85 a day, are expected to spend at a higher rate in the next fifteen years.
Only 37 percent of Americans report higher spending today than a year ago, while 42 percent of millennials say
they are spending more. Millennials are spending more on rent or mortgages and leisure activities than they
were spending a year ago.
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Source: Business Journal, May 25, 2016
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Describe the macroeconomic equilibrium after the change in spending by millennials.
If the economy had been at a below full-employment equilibrium, then the economy will
A. move to an above full-employment equilibrium with real GDP less than potential GDP
B. move to a full-employment equilibrium as short-run aggregate supply increases at the same time
'C. move to a full-employment equilibrium and equilibrium real GDP equals potential GDP
D. remain stuck in a below full-employment equilibrium
If the economy…
Chapter 12 Solutions
Macroeconomics
Ch. 12.1 - Prob. 1RQCh. 12.1 - Prob. 2RQCh. 12.1 - Prob. 3RQCh. 12.1 - Prob. 4RQCh. 12.1 - Prob. 5RQCh. 12.2 - Prob. 1RQCh. 12.2 - Prob. 2RQCh. 12.2 - Prob. 3RQCh. 12.2 - Prob. 4RQCh. 12.2 - Prob. 5RQ
Ch. 12.2 - Prob. 6RQCh. 12.2 - Prob. 7RQCh. 12.3 - Prob. 1RQCh. 12.3 - Prob. 2RQCh. 12.3 - Prob. 3RQCh. 12.3 - Prob. 4RQCh. 12.3 - Prob. 5RQCh. 12.3 - Prob. 6RQCh. 12.4 - Prob. 1RQCh. 12.4 - Prob. 2RQCh. 12.4 - Prob. 3RQCh. 12.4 - 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. 9APACh. 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. 23APACh. 12 - Prob. 24APA
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- Wolfgang is a typical producer in a perfectly competitive piano industry (i.e., all other producers of pianos face the same costs as Wolfgang). The following production and cost data apply to the long run as well as the short run. Fixed costs (rent) are unrecoverable in the short run and are equal to $2400 per month. Variable costs consist of raw materials (wire, wood, plastic), which cost $1000 per piano, and the $40 per hour opportunity cost of Wolfgang's time. Wolfgang's production function is given in the table at right. Wolfgang will shut down if the price per piano is less than OA. $3000. B. $4000. O C. $5000. ○ D. None of the above. Pianos (Q) Hours (L) Raw Materials ( 0 0 0 1 100 1000 2 150 2000 3 240 3000 4 400 4000arrow_forwardP2 P₁ $ per unit Using the graph below, determine which statement is TRUE. MC1 SRATC₁ Q1 Q₂ MC2 SRATC2 LRAC ✓ LEA Quantityarrow_forwardUsing the grapns below, wnicn snow the snort-run cost curves for 3 perfectly competitive firms in the same industry, determine whether the industry is in long-run equilibrium or not. Q Q Firm A QA MC ATC Output Firm B QB MC ATC Firm C MC ATC Output Output Qc If Firms A, B and C are in the same industry, is this industry in long-run equilibrium? ○ A. Yes, because P = MC = MR for each of the 3 firms. ○ B. No, because Firm A is not producing at a profit-maximizing level of output. ○ C. Yes, because all 3 firms are producing at their minimum average total cost. OD. The answer is uncertain since it's unknown whether the firms are producing at the minimum efficient scale or not. ○ E. No, because if the industry were in equilibrium, all 3 firms would be earning zero economic profits.arrow_forward
- Consider the table on the right, which shows the various revenue concepts for a perfectly competitive firm. Suppose the firm faces a constant market price of $4. Compute first total revenue for each level of output and fill in the TR column of the table. Next, compute marginal revenue for each level of output and fill in the MR column of the table. (Marginal revenue at each level of output is computed using total revenue for two successive levels of output. For example, marginal revenue at 160 uses total revenue for output levels 120 and 160.) Total Marginal Price (p)Quantity (Q) Revenue (TR)Revenue (MR) $4 A EA 120 $4 160 $4 200 $4 240 $4 280 $ EA EA EA 10 S คarrow_forwardThis week we will be discussing measures of economic well-being. Read the following short article from the Office of National Statistics from the U.K. which discusses different measures of economic well-being: https://blog.ons.gov.uk/2017/07/06/beyond-gdp-measuring-the-economic-well-being-of-individuals/ For this assignment, we will narrow down to the economic well-being of the St. Louis region (or another region you choose). As the article indicates there are different measures of well-being. You are interested in creating a Hypothesis Test about the economic well-being of the area. Discuss the following issues: First, think about your research hypothesis and justify it briefly. Remember, a hypothesis is a well-thought and untested proposition. What is the null hypothesis? What is the parameter you are interested in? (i.e., the measure of well-being). Is it going to be a Lower-Tail, Upper-Tail or Two-Tailed test? What is the data that you need and how will you collect the data? What…arrow_forwardJohnny brought $39.50 to the art supply store. He bought a brush, a sketchbook, and a paint set. The brush was 1 6 as much as the sketchbook, and the sketchbook cost 3 4 the cost of the paint set. Johnny had $2.00 left over after buying these items.arrow_forward
- A young woman plans to retire early in 25 years. She believes she can save $10,000 each year starting now. If she plans to begin withdrawing money one year after she makes her last payment into the retirement account (i.e., in the 26th year), what uniform amount could she withdraw each year for 30 years, if the account earns an interest rate of 8% per year? a) Correctly plot the cash flow diagram with its respective vectors, arrowheads, units, and currency values. b) Correct mathematical approach and development, use of compound interest factors.c) Financial logic in the development of the exercise and application of the concept of time value of money. d) Final numerical answer and writing in prose with a minimum of 20 words and a maximum of 50 words of the obtained numerical interpretation.arrow_forwardA hospital charges $200 for a medical procedure, and 1,000 patients use the service. The hospital raises the price to $250, and the number of patients drops to 900. Calculate the price elasticity of demand (PED) and explain your answer. (show all working) Briefly explain how elasticity affects government health policies in the following cases: • Taxes on unhealthy products (cigarettes, alcohol, sugary drinks) • Subsidizing Preventive Care (e.g., vaccines, screenings) Drug Price Controls & Generic Substitutions Co-Payments & Insurance Designarrow_forwardAssume the United States is a large consumer of steel, able to influence the world price. DUS and SUS denote its demand and supply schedules in Figure 1. The overall (United States plus world) supply schedule of steel is denoted by SUS.+W. Figure 1 Import Tariff Levied by a Large Country Answer all questions (a-f) by referring to Figure 1 above. a) Calculate the free trade market equilibrium price, domestic consumption, and volumE Answer all questions (a-f) by referring to Figure 1 above. a) Calculate the free trade market equilibrium price, domestic consumption, and volume of steel imports by the US. [5 marks] b) Suppose the United States imposes a tariff (t) of $100 on each ton of steel imported. With the tariff, calculate the price of steel and the volume of steel imports by the US. [5 marks] c) Of the $100 tariff, how much is passed on to the US consumer via a higher price, and how much is borne by the foreign exporter? [5 marks] d) Calculate the tariff's deadweight welfare loss to…arrow_forward
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