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21.
Joint replenishment for several products to achieve a lower inventory logistics cost has been a topic of extensive studies. Less attention has been paid to the issue of deciding how the joint replenishment costs should be allocated across the individual products. Ideally, when items are ordered together one would require a stable cost allocation, such that no subset of products subsidizes another subset. When part of each product's ordering cost is product specific and part can be shared with other products (like in a 3PL setting of Anily and Haviv), it has been shown that even when a stable allocation exists, such an allocation might be difficult to compute. In addition, usually the components of ordering costs are partially determined using estimates and accounting discretion. This paper provides two main insights for determining an appropriate cost allocation. It provides the means to test how sensitive a stable cost allocation is to a range of cost parameter values. Then, in a computational study, it is shown how to obtain a stable cost allocation without excessive computation. 相似文献
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Israel Dror 《R&D Management》1989,19(3):243-249
Abstract
A survey of the US patent database has yielded indicators to trends in technology innovations. Three types of indicator were developed, namely technology maturity, growth potential and product vs process innovations. The patent data show how innovations in one technology area are linked to other technologies and a measure of these links was incorporated into the above trend indicators. Results have a wide range of applications, including assessment of technological opportunities and helping a company in the analysis of strategic alternatives. 相似文献
A survey of the US patent database has yielded indicators to trends in technology innovations. Three types of indicator were developed, namely technology maturity, growth potential and product vs process innovations. The patent data show how innovations in one technology area are linked to other technologies and a measure of these links was incorporated into the above trend indicators. Results have a wide range of applications, including assessment of technological opportunities and helping a company in the analysis of strategic alternatives. 相似文献
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Dror Zuckerman 《Journal of Economic Theory》1984,34(1):175-179
The purpose of this article is to examine a continuous model of job search. Job offers are received randomly over time according to a renewal process. The wage offers are assumed to be positive, independent, and identically distributed random variables. There is a search cost of c monetary units per unit time. The only decision the searcher must make is when to stop searching and accept an offer. It is shown that the optimal stopping strategy which maximizes the searcher's expected net return over the class of all stopping times possesses the reservation wage property, provided that the interarrival time between two successive job offers in NBUE (new better than used in expectation). 相似文献
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Yehezkel Dror 《Futures》1969,1(4):282-288
Some methods are proposed for the more systematic exploration of the feasibility of alternative government policies in a way operationally useful as part of policy analysis. The variables shaping political feasibility are investigated, and a method for its prediction is suggested 相似文献
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Yehezkel Dror 《Futures》1973,5(6):536-542
Futures studies can make significant contributions to management by improving background information, stimulating new ways of thinking and providing decision inputs. Professor Dror shows how good futures studies, replacing the criterion of subjective certainty by that of objective uncertainty, pinpoint changes in management needed for long-term planning. 相似文献