Management Science
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Scheduling to Minimize the Number of Late Jobs When Set-Up and Processing Times are Uncertain The n job, one-machine scheduling problem is considered where set-up and processing times are random and the objective is to minimize the number of late jobs. In the deterministic case, Moore's algorithm is known to produce an optimal schedule. A chance-constrained formulation of the nondeterministic problem is derived in which a job is processed if the probability that it will be complet... ...
Management Science - Tập 19 Số 11 - Trang 1283-1288 - 1973
The Single Machine Problem with Quadratic Penalty Function of Completion Times: A Branch-and-Bound Solution N jobs are to be sequenced on a single machine, each job carrying a penalty cost which is a quadratic function of its completion time. The objective is to find a sequence which minimizes the total penalty. Criteria are developed for ordering a pair of adjacent jobs in a sequence and these are incorporated into a branch-and-bound procedure.
Management Science - Tập 24 Số 5 - Trang 530-534 - 1978
Note—On Baluts Algorithm and NP-Completeness for a Chance-Constrained Scheduling Problem In 1973, Balut gave an algorithm to solve an n-job one machine scheduling problem in which processing times are random variables and the objective is to minimize the number of tardy jobs with a specified certainty level. This note, however, presents an example for which his algorithm fails to give an optimal schedule. Furthermore, there does not seem to exist any such efficient algorithm ... ...
Management Science - Tập 29 Số 3 - Trang 384-388 - 1983
Does Firm Investment Respond to Peers’ Investment? We study whether, how, and why the investment of a firm depends on the investment of other firms in the same product market. Using an instrumental variable based on the presence of local knowledge externalities, we find a sizeable complementarity of investment among product market peers, holding across a large majority of sectors. Peer effects are stronger in concentrated markets, featuri... ...
Management Science - Tập 67 Số 8 - Trang 4703-4724 - 2021
Combining Probability Distributions from Dependent Information Sources Inferences or decisions in the face of uncertainty should be based on all available information. Thus, when probability distributions for an uncertain quantity are obtained from experts, models, or other information sources, these distributions should be combined to form a single consensus distribution upon which inferences and decisions can be based. An important feature of information f... ...
Management Science - Tập 27 Số 4 - Trang 479-488 - 1981
Composition vs. Decomposition: Two Approaches to Modeling Organizational Decision Processes The most popular approach to developing mathematical models of organizational decision processes, the decomposition approach, begins with a mathematical statement of an ideal organizational problem and follows a process of decomposition to derive sub-problems solved by separate units at (possibly) different levels of the organization. Conversely, the composition approach starts with mathe... ...
Management Science - Tập 24 Số 14 - Trang 1491-1499 - 1978
Quality Improvement Incentives and Product Recall Cost Sharing Contracts As companies outsource more product design and manufacturing activities to other members of the supply chain, improving end-product quality has become an endeavor extending beyond the boundaries of the firms' in-house process capabilities. In this paper, we discuss two contractual agreements by which product recall costs can be shared between a manufacturer and a supplier to induce qualit... ...
Management Science - Tập 55 Số 7 - Trang 1122-1138 - 2009
An Inventory Theoretic Model of Freight Transport Demand The model in this paper is intended to explain the choice of transport made by shippers, as well as their total demand for transportation services. The optimal choice of mode is shown to involve a trade-off among freight rates, speed, dependability (variance in speed) and en-route lossage. It is shown that faster, more dependable service simply reduces the shipper's or receiver's inventor... ...
Management Science - Tập 16 Số 7 - Trang 413-421 - 1970
Dynamic Pricing and Ordering Decisions by a Monopolist This paper considers the relationship between pricing and ordering decisions for a monopolistic retailer facing a known demand function where, over the inventory cycle, the product may exhibit: (i) physical decay or deterioration of inventory called wastage; and (ii) decrease in market value called value drop associated with each unit of inventory on hand. The retailer is allowed to conti... ...
Management Science - Tập 38 Số 2 - Trang 240-262 - 1992
Dynamic Pricing in the Presence of Inventory Considerations: Research Overview, Current Practices, and Future Directions The benefits of dynamic pricing methods have long been known in industries, such as airlines, hotels, and electric utilities, where the capacity is fixed in the short-term and perishable. In recent years, there has been an increasing adoption of dynamic pricing policies in retail and other industries, where the sellers have the ability to store inventory. Three factors contributed to this... ...
Management Science - Tập 49 Số 10 - Trang 1287-1309 - 2003
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