Principles of Microeconomics, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (12th Edition)
12th Edition
ISBN: 9780134421315
Author: Karl E. Case, Ray C. Fair, Sharon E. Oster
Publisher: PEARSON
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Chapter 22, Problem 2.4P
To determine
Identify the estimation of the difference-in-difference method.
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A coal-fired power plant can produce electricity at a variable cost of 4 cents per kilowatt hour when running at its full capacity of 30 megawatts per hour, 16 cents per kilowatt hour when running at 20 megawatts per hour, and 24 cents per kilowatt hour when running at 10 megawatts per hour. A gas-fired power plant can produce electricity at a variable cost of 12 cents per kilowatt-hour at any capacity from 1 megawatt per hour to its full capacity of 5 megawatts per hour. The cost of constructing a coal-fired plant is $50 million, but it costs only $10 million to build a gas-fired plant. a. Consider a city that has a peak afternoon demand of 80 megawatts of electricity. If it wants all plants to operate at full capacity, what combination of coal-fired plants and gas-fired plants would minimize construction costs? b. How much will the city spend on building that combination of plants? c. What will the average cost per kilowatt-hour be if you average over all 80 megawatts that are…
Assume you are appointed head of the U.S. Department of Homeland Security in charge of preventing illegal crossings along a section of the U.S.-Mexico border. You have a weekly budget of $16,000. As a department head, you get satisfaction (or "utility") from preventing illegal border crossings and you have at your disposal two methods for preventing illegal crossings: 1) Hiring border security personnel to patrol strategic points along the border at a cost of $1000 per week per person or, 2) Purchase surveillance drones to patrol the border at a weekly cost of $3000 per drone. Based on the data attached in the picture below, explain whether you agree or disagree with the following statement made by a subordinate: "Based on the data, the department's "utility" is highest if we employ 16 security personnel because drones are just too expensive."
This question illustrates the argument on p.114 of the book.
A and B own neighboring properties. Beneath their properties is a common well that contains 200 units of oil. The cost to A of extracting oil from the well in period t depends on the number of units of oil in the well at the beginning of the period t, ut, and the number of units of oil A extracts in period t, xAt ; specifically, the average cost of extraction for A per unit in period t is xAt /ut. The analogous cost function for B is xBt/ut. The market price of a barrel of oil is 1, there are two periods (t = 1, 2), and the discount rate is zero. The oil is a common property resource.
a) (2) Suppose that A and B "unitize" and cooperatively decide how much oil to extract, and split the profit between them. The jointly profit-maximizing policy is that each extracts 50 units of oil from her well in each of the first two periods, after which the well is dry. How much discounted profit will A and B each make?
b) (2) Suppose…
Chapter 22 Solutions
Principles of Microeconomics, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (12th Edition)
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