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By Rolf Hellermann

Arguably the principal challenge in Operations examine and administration S- ence (OR/MS) addressed through e-business is best coordination of offer and insist, together with expense discovery and relief of transaction bills of buyer-seller interactions. In capital-intensive industries like air shipment, the out-of-pocket bills of extra skill and the chance bills of underu- lized means were very important components riding the expansion of exchanges for making improvements to call for and provide coordination via e-business pl- kinds. Hellermann addresses in his dissertation probably the most attention-grabbing - pects of this evolution for OR/MS, the parallel improvement of long term and temporary markets for skill and output, observed by means of a number of choice and ?xed-commitment (i. e. , ahead) contracts because the easy mec- nisms assisting transactions. This has been a desirable subject for OR/MS study since it builds at the robust framework of actual techniques, whereas connecting on to key operations judgements (capacity making plans, community layout, staf?ng, routing, upkeep, and so on) of the gear and applied sciences whose output is the point of interest of contracts. From the point of view of perform, the built-in use of those Internet-based contracting mechanisms, as facilitated by way of new B2B exchanges, represents a chance for extra bettering provide chain functionality and capital asset productiveness. As Hellermann notes, a imperative characteristic of B2B for capital-intensive - dustries is that contracting must ensue good prior to genuine delivery.

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New PDF release: Capacity Options for Revenue Management: Theory and

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Extra info for Capacity Options for Revenue Management: Theory and Applications in the Air Cargo Industry

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Williamson 1988) because many passenger itineraries involve more than one flight leg. 44 3 Literature Review To overcome this limitation, airlines have developed leg-based origin and destination (O&D) control heuristics, which – though leg- and not networkbased – tries to give priority to bookings with itineraries/fares that have the highest value contribution to the total network by redefining booking classes as value classes according to their network value contribution (Belobaba 1998). Due to their computational complexity, network-based optimization models have only recently become viable alternatives to such heuristics.

The buyer’s trade-off between lower procurement cost from using long-term orders and more accurate information on actual demand and valuation if using shortterm orders is also made explicit by Burnetas and Gilbert (2001) for shortlife-cycle products and modeled for information goods such as movie distribution rights or newspapers by Gundepudi et al. (2001). Serel et al. (2001, p. 635) summarize that by using long-term contracts “[b]uyers seek to lower their purchasing costs, and have products delivered without interruption.

2 Supply Contracts 25 w( Q) depends on the type and terms of the contract between manufacturer and retailer. The approach taken in the model introduced in Chap. 4 corresponds to the commonly used framework in the operations research literature and deals with the supply chain parties’ decisions on order quantity and wholesale payment. The remainder of this section focuses on contributions of the SCM literature that provide insights into modeling these decisions. One of the standard building blocks for modeling order quantity decisions under stochastic demand is the Newsboy model, which represents the basis for most discrete-time stochastic inventory models (cf.

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