ENGINEERING ECONOMIC ENHANCED EBOOK
ENGINEERING ECONOMIC ENHANCED EBOOK
14th Edition
ISBN: 9780190931940
Author: NEWNAN
Publisher: OXF
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Chapter 2, Problem 1QTC
To determine

Way to estimate the cost-and ultimately the benefits- of a ‘hybrid’ operation with the traditional utility segment of the business which minimizes cost, while the LighTUBe segment works to maximize profit.

Expert Solution & Answer
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Explanation of Solution

There are several general models and techniques to estimate costs and benefits which can be used to estimate the costs and benefits. Such as:

Per unit model:

This model uses cost per factor such cost per square foot, square meters in order to estimate the desired.

Segmenting Model:

In this model, estimation is decomposed into individual components. And after the estimation of all the individual components all the estimation is added together in order to find out the total estimation is added together in order to find out the total estimation cost or benefits .This approach is fairly common in various engineering estimation applications and for any level of accuracy needed.

COSTS AND PRICE INDEXS:

Indexes are numerical values that reflect historical change in costs and prices. They can reflect relative change in cost or price either as individual components or of group of costs. In this model the ratio of the costs or index number at two points in time is equal to the dollar cost ratio of the dollar cost ratio of the item at same time.

Conclusion:

By using the above stated models the LighTUBe segment works to minimize the cost and maximize the benefits.

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- 1. (Maximum length one page) Consider an infectious disease with the following characteristics: Individuals can exist in three states, susceptible, infected, and recovered. Once recovered, an individual cannot be re-infected and remains immune for life. The transmission rate, t, is 1/20. The recovery rate, k, is 1/5. Each person interacts randomly with others in the population and has contacts with 10 people each time period. There is no birth or death in the population. -Initially all people are susceptible. - No one dies from the disease and there is no treatment. a) Draw a compartmental model for this infectious disease.
Consider an obstetrician who can perform two types of deliveries: normal deliveries and cesarean deliveries. Each typeof delivery provides different levels of income for the physician, and the physician has some ability to induce patientsto opt for cesarean deliveries. The model is as follows:The physician’s utility is defined as:U = U(Y, I)where:• Y is the income from performing deliveries.• I is the total disutility from inducementThe income Y from deliveries depends on the type of delivery:Y = Yn · N + YC · Cwhere:• Yn is the income per normal delivery, Yn = 1, 000• YC is the income per cesarean delivery, Yc = 1, 500,• Initial number of births Binitial = 100,• Post-shock number of births Bshock = 90,• a(i) = 0.1 + 0.05i is the fraction of total births that are cesareans, which increases with inducement level i,• the physician sets the inducement level to i = 2.• N = B · (1 − a(i)) is the number of normal deliveries,• C = B · a(i) is the number of cesarean deliveriesDue to a…
Consider an obstetrician who can perform two types of deliveries: normal deliveries and cesarean deliveries. Each typeof delivery provides different levels of income for the physician, and the physician has some ability to induce patientsto opt for cesarean deliveries. The model is as follows:The physician’s utility is defined as:U = U(Y, I)where:• Y is the income from performing deliveries.• I is the total disutility from inducementThe income Y from deliveries depends on the type of delivery:Y = Yn · N + YC · Cwhere:• Yn is the income per normal delivery, Yn = 1, 000• YC is the income per cesarean delivery, Yc = 1, 500,• Initial number of births Binitial = 100,• Post-shock number of births Bshock = 90,• a(i) = 0.1 + 0.05i is the fraction of total births that are cesareans, which increases with inducement level i,• the physician sets the inducement level to i = 2.• N = B · (1 − a(i)) is the number of normal deliveries,• C = B · a(i) is the number of cesarean deliveriesDue to a…

Chapter 2 Solutions

ENGINEERING ECONOMIC ENHANCED EBOOK

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