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An Introduction to Management Science 13th Edition by David Anderson,Dennis Sweeney ,Thomas Williams ,Jeffrey Camm, Kipp Martin
Edition 13ISBN: 978-1439043271An Introduction to Management Science 13th Edition by David Anderson,Dennis Sweeney ,Thomas Williams ,Jeffrey Camm, Kipp Martin
Edition 13ISBN: 978-1439043271 Exercise 14
The weekly box office revenues (in $ millions) for Terminator 3 are given here. Use these data in the Bass forecasting model given by equations (8.21) through (8.23) to estimate the parameters p , q , and m. Solve the model in LINGO and see whether you can duplicate the results in Table 8.8. 
The Bass forecasting model is a good example of a "hard" nonlinear program and the answer you get may be a local optimum that is not nearly as good as the result given in Table 8.8. LINGO can find a global optimum for this problem, but the demo version from the website for this text can handle only five variables when finding a global optimum. If you get stuck at a local optimum that is not close to what is reported in Table 8.8, try adding a constraint such as p ?.1 and an initial guess of 100 customers.
The Bass forecasting model is a good example of a "hard" nonlinear program and the answer you get may be a local optimum that is not nearly as good as the result given in Table 8.8. LINGO can find a global optimum for this problem, but the demo version from the website for this text can handle only five variables when finding a global optimum. If you get stuck at a local optimum that is not close to what is reported in Table 8.8, try adding a constraint such as p ?.1 and an initial guess of 100 customers.
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An Introduction to Management Science 13th Edition by David Anderson,Dennis Sweeney ,Thomas Williams ,Jeffrey Camm, Kipp Martin
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