Analysis Of Economic Data 3rd Edition Gary Koop - Solutions

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What is a critical path?
What is slack?
A network is not needed to calculate the critical path start times and finish times.What value does a network have?
If no project completion time is given or stated, what is conventionally used as the project completion time for calculation of slack activities?
Field trip: Visit a local firm doing software development. What estimation methods do the developers use? How accurate do they find these methods? (The responses ob-tained are expected to be subjective and thus require thoughtful interpretation.)
Use the basic, intermediate, and advanced COCOMO models to estimate the ex-pected number of person-months of work and the project duration for a project in-volving 17,000 lines of code.
Use the basic, intermediate, and advanced COCOMO models to estimate the ex-pected number of person-months of work and the project duration for a project in-volving 8,000 lines of code.
Use the basic, intermediate, and advanced COCOMO models to estimate the ex-pected number of person-months of work and the project duration for a project in-volving 2,600 lines of code.
Compare the estimates of effort, expenditure, documentation, and errors for the follow-ing three projects obtained from the SLOC approach and the function point approach: Averages of Past Projects: LOC FP Budget Effort ($, Thousands) Documentation (Pages) Errors 18,794 28 mos. 189 688 84 821 F1 F2
What factors have affected estimation of software development projects?
What Is a work breakdown structure?
What is a statement of work?
What is a milestone?
What is a surgical team intended to do?
State Brooks's Law. What kind of project does Brooks's Law apply to?
Describe the differences among a program, a programming system, and a program-ming system product.
Field trip: Visit a local organization producing software, and interview staff mem-bers about the methodology they use (if any). Inquire if they have adopted the capa-bility maturity model. Also ask them about the type of information systems projects they are involved with.
What is a statement of work, and what is it for?
Describe the characteristics of new systems projects. What is different about new systems projects relative to maintenance and conversion projects?
Describe the characteristics of conversion projects. What is different about conver-sion projects relative to maintenance projects?
Describe the characteristics of maintenance projects.
Describe the wavefront model. What is different about it relative to the spiral model?
How does rapid prototyping aid systems analysis and design?
What actions did Boehm recommend to deal with the risk of changes in specified re-quirements on the part of the user?
What is different between the spiral model and the waterfall model including feed-back and prototyping?
Prototyping involves developing small-scale models of systems. This provides the ability to learn more about what the system will do. Why is this not adopted for all projects?
Discuss the difference between validation and verification in the context of informa-tion systems project design.
Describe the waterfall method. The original model was a sequence of activities in se-ries, where subsequent steps followed completion of prior steps. Why was that modi-fied to include feedback at each step?
Information systems projects usually have budget, time, and quality restraints.Estimates of project time and cost are revised as the project develops. As the project proceeds, would you expect estimates to be more accurate? Under what conditions would you expect the revised estimates to be higher
Field trip: Visit an organization implementing information systems projects, and in-terview managers about how they conduct requirements analysis.
What is the basic idea of the systems failure method?
Which did Ingram find to be more critical: technical excellence or effective project management?
What characteristics were identified by Ingram in successful downsizing projects?
What were the causes given for the Star"Doc disaster?
Describe the conditions that make a positive disaster.
Describe the conditions that make a negative disaster.
What are the relative advantages and disadvantages of brainstorming, nominal group technique, and the Delphi method?
Discuss the risk aspects of the IRS outsourcing activity.
Discuss positive and negative features of the nemawashi system in the context of U.S. decision making.
Describe the nemawashi approach.
What types of GSSs are there?
Describe the actions of Caterpillar to implement information technology to enhance group communication. What benefits were sought?
Field trip: Visit firms with information systems projects. Interview them about how their project selection process works.
(Requires linear programming.) A firm's project selection committee meets quar-terly to decide on which project proposals to adopt. They have a $10 million quar-terly budget available. NPV reported includes the expenditures for cost given. There are 360 person-months of staff support available.
In Problem 16, apply managerially imposed weights of CBR 0.4, market share 0.4, and technical learning 0.2. Use the same scores for NPV, market share, and technical learning for the four projects that you developed in Problem 16.
Apply SMART analysis to the following data. Develop your own weights of relative importance for NPV, market share, and technical learning, as well as scores for each of these measures with respect to each project.' Project NPV Benefits NPV Costs Market Share Technical Learning 1234 $ 800 $ 700
Why are other objectives besides profit important in business?
Discuss the differences between value analysis and cost/benefit analysis.
When a company is faced with penalties for ecology-damaging production, why is using cost/benefit analysis dangerous?
Use a spreadsheet to calculate internal rate of return for the data in Problem 10.
Estimate payback, net present value, and cost/benefit ratio for the data in Problem 10 using a discount rate of 7 percent per year.
Given the following data, estimate payback, net present value, and cost/benefit ratio.Use a discount rate of 10 percent per year. Time Outflow Inflow Begin year 1 $10,000 $ 0 End year 1 5,000 6,000 End year 2 3,000 7,000 End year 3 1,000 8,000
Cost/benefit analysis is cited as the ideal evaluation method, but we have seen that it is not always used. What are the limitations of cost/benefit analysis?
Describe the differences in evaluating project proposals by screening, a checklist, and a project profile.
Cabral-Cardoso and Payne surveyed research and development decision makers about their project selection methods. Compare the most commonly identified methods found by Cabral-Cardoso and Payne with the list identified by Hinton and Kaye.
Discuss the positive and negative features of outsourcing information technology projects.
Describe Federal Express's approach to information systems project funding.
Two different views of project estimation bias were discussed. List factors that favor having those responsible for building a project doing the estimation. Then list the factors favoring the opposite view.
According to Hinton and Kaye, what is the most commonly used method to evaluate information systems projects?
How did Hinton and Kaye find that managers treat information technology projects(in the context of investments)? What is the difference in treatment as capital or treat-ment as revenue generating?
Compare the ease of estimating costs and benefits of projects with the ease of esti-mating costs and benefits of repetitive operations. Why might they be different?
Field trip: Visit an information systems project manager, if possible, and inquire about his or her activities. Does the manager spend more time on handling technical issues or on dealing with people?
What does the size of an organization have to do with the appropriateness of matrix organization?
What is the best organizational form for a small, short project involving low levels of complexity?
What does a project expediter do?
What is a task force?
Describe a matrix organization.
How does project organization differ from functional organization?
What are the primary advantages of functional organization?
What are the primary options in organizing?
What characteristics do project managers need that functional managers don't?
Ward presented six information systems project features that can inhibit project suc-cess. List them, and briefly describe their impact.
Discuss the positive aspects of conflict in the context of information systems projects.
Describe interdependence in the context of an information systems project.
Compare project-characteristic types that induce interpersonal conflict in information systems projects.
Describe the types of information systems personnel involved at each stage of the waterfall model.
Discuss the differences typically found in web development projects, enterprise re-source planning projects, and more general types of information systems projects.
Look up projects on the Internet, in the library, or in other publication sources that re-port time, cost, or specification results. What is the general trend? You may be able to find some statistics, such as from the Standish Group, on overall project perfor-mance. Of real project reports, what
Look up a project on the Internet, in the library, or in other publication sources. Iden-tify problems encountered in managing the project.
Describe the role of a project champion. How can a project champion be a positive feature? How might a project champion be a negative feature?
Discuss the major project critical success factors identified by past research.
What features of management information systems projects differ from other kinds of projects?
What is the general state of information systems project success? If a particular infor-mation systems project's results are less than optimal, is that clear grounds for firing the project manager?
What features of projects differ from conventional operations?
What are the relationships among cost, time, and project quality in information sys-tems projects?
Look up information related to the budget and time frame at the initial stages of the Denver International Airport project. Were there any approval issues involved?
What are the dimensions of project complexity?
What is a project? What are typical characteristics of projects?
Use the data on Y = consumption and X = personal income from INCOME.XLS.(a) Assume (perhaps incorrectly in light of Exercise 10.5) that Y and X are cointegrated. Repeat the steps in Exercise 11,11 to carry out a forecasting exercise.(b) Now assume that Y and X have unit roots but are not
For this question, use the data on regular and organic orange prices in ORANGE.XLS.(a) Starting with pmax = 4, select a lag length for the VECM and estimate each equation using OLS.(b) Using the VECM from part (a), carry out a forecasting exercise. Experiment with various forecast horizons. Does
and the VAR constructed therein, carry out a forecasting exercise for GDP growth for the four included countries. Experiment with various forecast horizons. Does the VAR forecast well?
Using the data in
It is recommended that you do this question and others involving forecasting only if you have access to an econometrics computer package that is capable of doing forecasts. If you are working with a spreadsheet such as Excel this question will be difficult.Use the variables ΔR, ΔM, ΔP and ΔY
Excel file LONGGDP.XLS, as you will recall, contains annual data on real GDP per capita for four of the largest English-speaking countries (USA, UK, Canada and Australia) for the years 1870–1993. Take differences to obtain time series of the growth in GDP per capita for each of the four
Use the variables ΔR, ΔM, ΔP and ΔY from RMPY.XLS.(a) Beginning with pmax = 5, select an appropriate lag length for a VAR.(b) Using your result from (a), discuss Granger causality among the variables ΔR, ΔM, ΔP and ΔY.
Using the results in the previous table, discuss Granger causality among all the variables in the model.
Use the data on R, M, P and Y in RMPY.XLS.(a) Test for unit roots in each of the variables.(b) Test for cointegration among the variables.(c) Use the data on ΔR, ΔM, ΔP and ΔY in RMPY.XLS. Test for a unit root in each of the variables.
Excel file LONGGDP.XLS contains annual data on real GDP per capita for four of the world’s largest English-speaking countries (USA, UK, Canada and Australia) for the years 1870–1993.(a) Take differences to obtain time series of the growth in GDP per capita for each of the four countries.(b)
in the previous examples using the data set WP.XLS, we have set p = q = 4 (four lags of both wage and price inflation). Using price inflation as the dependent variable and the sequential testing procedure outlined in Chapter 10 select optimal values for p and q
NYSE.XLS contains data on ΔY = the percentage change in stock prices each month from 1952 through 1995 on the New York Stock Exchange (NYSE). For those interested in precise details, the data are value-weighted stock returns exclusive of dividends deflated using the consumer price index. Note that

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