Modelling and Determining Inventory Decisions for Improved Sustainability in Perishable Food Supply Chains

Since the introduction of sustainable development, industries have witnessed significant sustainability challenges. Literature shows that the food industry is concerned about its need for efficient and effective management practices in dealing with perishability and the requirements for conditioned storage and transport of food products that effect the environment. Hence, the environmental part of sustainability demonstrates its significance in this industrial sector. Despite this, there has been little research into environmentally sustainable inventory management of deteriorating items. This thesis presents mathematical modelling based research for production inventory systems in perishable food supply chains. In this study, multi-objective mixed-integer linear programming models are developed to determine economically and environmentally optimal production and inventory decisions for a two-echelon supply chain. The supply chain consists of single sourcing suppliers for raw materials and a producer who operates under a make-to-stock or make-to-order strategy. The demand facing the producer is non-stationary stochastic in nature and has requirements in terms of service level and the remaining shelf life of the marketed products. Using data from the literature, numerical examples are given in order to test and analyse these models. The computational experiments show that operational adjustments in cases where emission and cost parameters were not strongly correlated with supply chain collaboration (where suppliers and a producer operate under centralised control), emissions are effectively reduced without a significant increase in cost. The findings show that assigning a high disposal cost, limit or high weight of importance to perished goods leads to appropriate reduction of expected waste in the supply chain with no major cost increase. The research has made contributions to the literature on sustainable production and inventory management; providing formal models that can be used as an aid to understanding and as a tool for planning and improving sustainable production and inventory control in supply chains involving deteriorating items, in particular with perishable food supply chains.the Ministry of Science and Technology, the Royal Thai Government

Illustrations of the summary of operations and related management discussion and analysis : a survey of the application of Rules 14a-3 and 14c-3 of the Securities exchange act of 1934 in annual reports to shareholders; Financial report survey, 06

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Updated illustrations of management\u27s discussion and analysis of financial condition and results of operations : a survey of the application of recently amended Rules 14a-3 and14c-3 of the Securities and Exchange Act of 1934 in annual reports to shareholders; Financial report survey, 26

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Mathematical Methods and Operation Research in Logistics, Project Planning, and Scheduling

In the last decade, the Industrial Revolution 4.0 brought flexible supply chains and flexible design projects to the forefront. Nevertheless, the recent pandemic, the accompanying economic problems, and the resulting supply problems have further increased the role of logistics and supply chains. Therefore, planning and scheduling procedures that can respond flexibly to changed circumstances have become more valuable both in logistics and projects. There are already several competing criteria of project and logistic process planning and scheduling that need to be reconciled. At the same time, the COVID-19 pandemic has shown that even more emphasis needs to be placed on taking potential risks into account. Flexibility and resilience are emphasized in all decision-making processes, including the scheduling of logistic processes, activities, and projects

The only way is up: retail format saturation and the demise of the American five and dime store, 1914-1941

We examine a classic ‘wheel of retailing’ episode – the abandonment of the five and dime pricing formula by American variety chains. These switched from a conventional product lifecycle, focusing on cost reduction through standardisation, to a reverse path up the ‘service cost - unit value’ continuum. We show that, rather than reflecting deteriorating managerial acumen, this was a response to the continued imperative for growth following retail format saturation. Firm-specific (rather than format-specific) competitive advantages were too weak for any chain to be confident it could win a within-format price war, making inter-format competition through raising price points more attractive

Mathematical Modeling with Differential Equations in Physics, Chemistry, Biology, and Economics

This volume was conceived as a Special Issue of the MDPI journal Mathematics to illustrate and show relevant applications of differential equations in different fields, coherently with the latest trends in applied mathematics research. All the articles that were submitted for publication are valuable, interesting, and original. The readers will certainly appreciate the heterogeneity of the 10 papers included in this book and will discover how helpful all the kinds of differential equations are in a wide range of disciplines. We are confident that this book will be inspirational for young scholars as well

Professor/practitioner case development program - 1995 case studies

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Professor/practitioner case development program - 1993 case studies

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A systems approach to operations management in a Greek manufacturing company

The intention of this work was to examine the infra-structure of a medium-sized Greek textile manufacturing enterprise. The Organisation became a leading acrylic blanket producer at national level, as a result of the management's receptivity to transfer of the highest standards of technology and expertise. The business was geared to the quality end of the market and offered its customers a high added value range of products. At the initiation of the systems study, the problem was conceived as one of inadequate production planning and stock control procedures. The high customer service level policy was accomplished through substantial stockholding on the part Of the firm and resulted in inventories being the company's highest current assets component. A systems approach to the operations of the Organisation indicated problems of information discontinuity, while barriers of communication were caused by lack of clear objectives. Analysis of the existed procedures led to the creation of three new sub-systems: the production scheduling, the quality control and the marketing departments. Material and information closed-loop controls were established and job description systems were introduced. An internal management reporting system was designed to facilitate improved decision making - In the implementation stage the author concentrated on training the systems/users while operational difficulties were resolved during actual running. The project's objective was the development of an open system which would maintain dynamic equilibrium with its surrounding environment. Planning and control procedures made the internal sub-systems interactions controllable, but the external changes created difficulty. Growing recession and government austerity policies exercised considerable influence on the operations of the system/organisation. company viability was safeguarded, a make-to-order policy was Pursued and a new business structure was created. This work is considered to exemplify the Greek industrial sector and the difficulties which will be experienced in deploying modern management methods in Greek manufacturing industry