Engineering Economy (17th Edition)
Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
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Chapter 12, Problem 14P
To determine

Calculate the expected present worth.

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[A] Suppose that a drug company has developed an ointment that can be used to treat sores and reduce scarring. Surveys indicated that the ointment, which costs $10,000 for a full course of treatment, can improve the quality of life from 0.6 to 0.7 for patients with this problem. Assume that this population has a life expectancy of 70 years. No need to worry about discounting. 1. What is the Incremental Cost-Utility Ratio (ICUR) for taking the ointment over doing nothing for a typical 20-year-old patient? [Hint: This patient has only 50 years of life remaining.] 2.  If the cost-effectiveness threshold is $5,000 per QALYS, will the 20-year-old patient choose to get the ointment? What about a 60-year-old patient? [B] Is it appropriate to evaluate a healthcare intervention using various methods of economic evaluation as discussed in this course, or should we choose one primary method that best fits the analysis?
The research department at a manufacturing company has developed a new process that it believes will result in an improved product Management must decide whether to go ahead and market the new product. The new product may or may not be better than the old one. If the new product is better and the company decides to market it, sales should increase by $50,000. If it is not better and they replace the old product with the new product on the market, they will lose $24,000 to competitors. If they decide not to market the new product, they will lose a total of $30,000 if it is better and just research costs of $10,000 if it is not. Answer parts a through c below. (a) Prepare a payoff matrix. (Type an integer or decimal for each matrix element. Do not include the $ symbol in your answer.) (b) If management believes there is a probability of 0.4 that the new product is better, find the expected profits under each strategy and determine the best action. Select the correct answer below and fill…
Sandra and Mary live next to each other. Sandra has a dog that she walks every day. Sandra has to walk past Mary's front lawn and her dog always pees on Mary's flowers, which causes them to eventually die. Mary will move in a few months but, until then, she estimates she will spend $100 on flowers to replace the ones that die as a result of the daily visits from Sandra's dog. The only solution to this problem is a $50 fence that can be put around Mary's flowers that will protect them from Sandra's dog. a. What term do economists use for the consequences of Sandra's daily walks in this setting? b. Is it socially optimal to have the fence put around the flowers in this case? Why or why not? c. What does the Coase theorem say about how the social optimum could be achieved? Explain what an agreement between Sandra and Mary would look like if Mary has the right to not be bothered by her neighbour's dog.
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