Evolution of the total logistics costs concept
Logistics and supply chain management (SCM) is in its development process, progressing stage after stage. The development process at the very first stage considers an evaluation criterion for evaluating effectiveness using minimum total logistics costs (TLC), which underlines the fact that, an important criterion in the development process is complete customers’ satisfaction in services, or the ‘level of service’ (SL). At the same time, the question remains open as to how to quantify the impact of logistics operations and functions on the performance results of TLC and SL. The main aim of this paper is to develop a methodical approach and to come up with a computational approach to assessing the impact of different logistics operations factors (for example, transportation, storage, orders, etc.), on TLC and SL.
For evaluating the integrated supply chains' (SCs) effective functioning, some new criteria are frequently used apart from the total logistics costs (TLC). These criteria characterise the quality and reliability of accomplishing logistics operations and functions. It is obvious that these metrics are connected and their separate representation is a consequence of not enough developed supply chains' theoretic model and, accordingly, analytical tools allowing carrying out a comprehensive assessment of these metrics. The paper presents the critical analysis of the existing approaches to the TLC evaluation and SC reliability, the methodical approach which allows evaluating the total costs indexes and supplying chains reliability. This approach includes, firstly, the equation of the total logistics costs; secondly, the reliability evaluation model of a simple supply chain which is a reserved system with a renewal; thirdly, a complex of models for the evaluation of the reliability of basic logistics operations (purchase, order processing, choice of intermediaries, transportation, warehouse placement and storage). As most indicators which describe the chain functioning are random values, to obtain the required evaluations there is a developed algorithm based on simulation.
Apart from the total logistics costs (TLC) nowadays to evaluate the integrated supply chains (SC) effective functioning some new criteria are used more often. These criteria characterise the quality and reliability of accomplishing logistics operations and functions. It is obvious that these metrics are connected and their separate representation is a consequence of not enough developed supply chains theoretic model. The paper presents the critical analysis of existing approaches to the TLC evaluation and SC reliability, the methodical approach which allows to evaluate the total costs indexes and supply chains reliability. Taking into consideration that most indicators which describe the chain functioning are the random values, to obtain the required evaluations there is a developed algorithm based on simulation.
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портовый менеджмент, показатели деятельности, анализ эффективности, система учета, распределение издержек, методы анализа деятельности портовой системы
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vertically integrated companies; personnel management