Chapter 11, Problem 9SQ

Background The airline industry uses a hub-and-spoke distribution structure to funnel passengers into its highly profitable long haul routes.  For example, American Airlines has one of its major hubs at Dallas-Fort Worth International Airport (DFW).  It has spokes that project out to other airports which are either smaller or not hubs, like those at Kansas City, Wichita, Lubbock, New Orleans, Houston, and Colorado Springs.  The spokes are usually characterized by low competition and American tends to use older turbo prop and jet aircraft, charge a premium price and provide fewer flights and always at times designed to marry up with its long haul routes to the east and west coasts and to its foreign destinations.     In the 1990s new low cost airlines began to penetrate some of these markets by providing lower prices, more frequent service and new jet aircraft and associated amenities.  One of the routes was from DFW to Wichita, Kansas.  A new low cost carrier, Vanguard Airlines entered…

Operations Management Define ITS and explain FOUR (4) benefits of ITS to transportation industry particularly to your country. Use appropriate examples to support your answer.

Rent’R Cars is a multisite car rental company in Huntsville/Madison area. It is trying out a new “return the car to the location most convenient for you” policy to improve customer service. But this means that the company has to constantly move cars around the city to maintain required levels of vehicle availability at the renting facility. The supply and demand for economy cars, cost of moving vehicles between sites per vehicle are shown below.   From  / To D E F G Supply A $9 $8 $6 $5 50 B   9   8   8    0 40 C   5   3   3   10 75 Demand 50 60 25 30     a.)Draw a diagram by showing supply points, demand points, and connecting arcs.  b.)Define variables, write the objective function and constraints.  c.)Prepare an initial Excel worksheet, check your formulas, and save it. d.)Complete solver parameters, copy it, and save as a file.

Why is it generally better to centrally locate receiving and shipping doors?

1-Comment on the enablers and obstacles for intermodalism considering different geographic zones in comparison. 2-Compare the current situation in terms of inland container terminals/freight villages in Turkey, Europe and United States of America. a) Brief information about the current situation of such interchange points b) Comparison in terms of infrastructure, investment, handling volumes, superstructure

While not usually seen, the incident highlighted the dependence on Suez Canal by businesses world-wide. Discuss how logistics will be affected by this incident, especially on fulfillment processes.

Jk.335. Propiem 14-8 Rent'R Cars is a multisite car rental company in the city. It is trying out a new "return the car to the location most convenient for you" policy to improve customer service. But this means that the company has to constantly move cars around the city to maintain required levels of vehicle availability. The supply and demand for economy cars, and the total cost of moving these vehicles between sites, are shown below. From To A B C Demand D $9 9 5 50 From/To $8 Candidate solution A B C Total shipped Cost A - B C Total costs 8 3 60 $6 8 3 25 $5 D 0 10 a. Find the solution that minimizes moving costs using Microsoft Excel. (Leave no cells blank - be certain to enter "0" wherever required.) Supply 50 40 75 30 165 165 E F G Supply $

Compu Limited is a company that manufactures computer monitors, keyboards, computer boxes and modems (both internal and external). These four products are sold all over the country and in a few overseas markets. The head office is situated in Sandton, South Africa, with three plants in other parts of the country. Four years ago, a fourth plant was opened in Zimbabwe to take advantage of the inexpensive labour available. 90% of the items manufactured in Zimbabwe are shipped back to South Africa and the remaining 10% are sold in other African countries. Compu Limited advertises its products in computer magazines, on the internet and over the television. It shares are traded on the Johannesburg Stock Exchange (JSE). Three major organisations account for almost 50% of Compu’s sales and the remaining sales are made to other smaller computer manufacturers. Lately one of these customers is constantly complaining about the lack of new technology in Compu’s products. A total of 900 plant…

Compu Limited is a company that manufactures computer monitors, keyboards, computer boxes and modems (both internal and external). These four products are sold all over the country and in a few overseas markets. The head office is situated in Sandton, South Africa, with three plants in other parts of the country. Four years ago, a fourth plant was opened in Zimbabwe to take advantage of the inexpensive labour available. 90% of the items manufactured in Zimbabwe are shipped back to South Africa and the remaining 10% are sold in other African countries. Compu Limited advertises its products in computer magazines, on the internet and over the television. It shares are traded on the Johannesburg Stock Exchange (JSE). Three major organisations account for almost 50% of Compu’s sales and the remaining sales are made to other smaller computer manufacturers. Lately one of these customers is constantly complaining about the lack of new technology in Compu’s products. A total of 900 plant…