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Principles of Economics 2e
2nd Edition
ISBN: 9781947172364
Author: Steven A. Greenlaw; David Shapiro
Publisher: OpenStax
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Textbook Question
Chapter 28, Problem 34CTQ
Explain what would happen if banks were notified they had to increase their
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3. Case 2) Coal plants exit, and Solar generation enters the market
Now, let's consider a scenario where the coal power plant (#1) shuts down and exits the market,
and a solar generation facility is constructed. The capacity of the solar generation facility is the
same as the coal power plant that went out of business. The generation capacities of this market
are shown below, along with their MC.
Table 3: Power Plant Capacity and Marginal Cost: Case 2
Plant #
Energy Source
Capacity (MW)
MC (S/MWh)
2
Oil
100
90
3
Natural Gas
500
50
4
Nuclear
600
0
5
Solar
300
5
Note that the solar plant (#5) can generate electricity only from 7 AM until 5PM. During these
hours, the plant can generate up to its full capacity (300 MW) but cannot generate any when
unavailable.
(a) Draw a supply curve for each hourly market (4AM, 10 AM, 2PM, 6PM).
(b) Find the market clearing prices and calculate how much electricity each power plant
generates in the hourly market (4AM, 10AM, 2PM, and 6PM).
(c) Find the…
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To analyze consumer spending, you must review the macroeconomic indicators of Personal Consumption Expenditures (PCE) and Retail Sales over the past year.
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Chapter 28 Solutions
Principles of Economics 2e
Ch. 28 - Why is it important for the members of the Board...Ch. 28 - Given the danger of bank runs, why do banks not...Ch. 28 - Bank runs are often described as self-fulfilling...Ch. 28 - If the central bank sells 500 in bonds to a bank...Ch. 28 - What would be the effect of increasing the banks...Ch. 28 - Why does contractionary monetary policy cause...Ch. 28 - Why does expansionary monetary policy causes...Ch. 28 - Why might banks want to hold excess reserves in...Ch. 28 - Why might the velocity of money change...Ch. 28 - How is a central bank different from a typical...
Ch. 28 - List the three traditional tools that a central...Ch. 28 - How is bank regulation linked to the conduct of...Ch. 28 - What is a bank run?Ch. 28 - In a program of deposit insurance as it is...Ch. 28 - In government programs of bank supervision, what...Ch. 28 - What is the lender of last resort?Ch. 28 - Name and briefly describe the responsibilities of...Ch. 28 - Explain how to use an open market operation to...Ch. 28 - Explain how to use the reserve requirement to...Ch. 28 - Explain how to use the discount rate to expand the...Ch. 28 - How do the expansionary and contractionary...Ch. 28 - How do tight and loose monetary policy affect...Ch. 28 - How do expansionary, tight, contractionary, and...Ch. 28 - Which kind of monetary policy would you expect in...Ch. 28 - Explain how to use quantitative easing to...Ch. 28 - Which kind of monetary policy would you expect in...Ch. 28 - How might each of the following factors complicate...Ch. 28 - Define the velocity of the moneyCh. 28 - What is the basic quantity equation of money?Ch. 28 - How does a monetary policy of inflation target...Ch. 28 - Why do presidents typically reappoint Chairs of...Ch. 28 - In what ways might monetary policy be superior to...Ch. 28 - The term moral hazard describes increases in risky...Ch. 28 - Explain what would happen if banks were notified...Ch. 28 - A well-known economic model called the Phillips...Ch. 28 - How does rule-based monetary policy differ from...Ch. 28 - Is it preferable for central banks to primarily...Ch. 28 - Suppose the Fed conducts an open market purchase...Ch. 28 - Suppose the Fed conducts an open market sale by...Ch. 28 - All other things being equal, by how much will...Ch. 28 - Suppose now that economists expect the velocity of...Ch. 28 - If GDP is 1,500 and the money supply is 400, what...Ch. 28 - If GDP now rises to 1,600, but the money supply...Ch. 28 - If GDP now falls back to 1,500 and the money...
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- 4. Case 3) Electricity demand increases due to increased EV adoption We will continue using the Case 2 supply curve (with the solar plant in operation) for this analysis. Suppose that electricity consumption from electric vehicles (EV) increases significantly. Consequently, electricity demand in the wholesale market increases at every hour. The new demand levels are shown in Table 5 below. The market operator has backup power plants (using natural gas) ready, with a total capacity of 300 MW and a MC of $100/MWh. Table 5: Hourly Demand (selected hours) Hour Demand (MWh) 4 AM 800 10 AM 1000 ... 2 PM 1100 ... 6 PM 1300 (a) Find the market clearing prices and calculate how much electricity each power plant generates in the hourly market (4AM, 10AM, 2PM, and 6PM). Is there a specific hourly market in which the market operator will need to dispatch backup generation? (b) Compare the Case 2 scenario with the Case 3 scenario in terms of CO2 emissions and average electricity price. Based on…arrow_forward2. Case 1) NG price decreases Now, suppose that the price of natural gas decreased substantially, causing the marginal cost of the NG power plant to decrease to MC = $35/MWh. The demand is the same as in Case 0. (a) Draw a new supply curve that reflects the MC change of the NG power plant. (b) Find the market clearing prices and calculate how much electricity each power plant generates in the hourly market (4AM, 10AM, 2PM, and 6PM). (c) What happened to the coal power plant? (d) Do you think the market outcomes (like average price) and the total CO2 emissions have improved under this Case 1 scenario (use the emissions data provided in the lecture slides)?arrow_forward1. Case 0) Baseline case Table 1: Power Plant Capacity and Marginal Cost: Case 0 Plant # Energy Source Capacity (MW) MC (S/MWh) 1 Coal 300 45 2 Oil 100 90 3 4 Natural Gas Nuclear 500 50 600 0 (a) Calculate the capacity mix of this market by energy source. (b) Draw a supply curve of this wholesale generation market. Table 2 below shows the demand levels for selected hours of a representative day. We will consider only these four hourly markets for our analysis. Note that the 6 PM demand is the highest demand level of the day. Table 2: Hourly Demand (selected hours) Hour Demand (MWh) 4 AM 500 10 AM 700 2 PM 800 6 PM 1000 (c) Find the market clearing prices and calculate how much electricity each power plant generates in the hourly market (4AM, 10AM, 2PM, and 6PM). (d) Find the average price of electricity (by taking a simple average of hourly prices; [P(4am) + P(10AM) + P(2PM) + P(6PM)]/4).arrow_forward
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