Operations and Supply Chain Management Commons^™

Sortie-Based Aircraft Component Demand Rate To Predict Requirements, Thomas R. O'Neal, John M. Dickens, Lance Champaign, Aaron V. Glassburner, Jason R. Anderson, Timothy W. Breitbach

Faculty Publications

Purpose — Forecasting techniques improve supply chain resilience by ensuring that the correct parts are available when required. In addition, accurate forecasts conserve precious resources and money by avoiding new start contracts to produce unforeseen part requests, reducing labor intensive cannibalization actions and ensuring consistent transportation modality streams where changes incur cost. This study explores the effectiveness of the United States Air Force’s current flying hour-based demand forecast by comparing it with a sortie-based demand forecast to predict future spare part needs. Design/methodology/approach — This study employs a correlation analysis to show that demand for reparable parts on certain aircraft …

Developing A Resilient, Robust And Efficient Supply Network In Africa, Jade F. Preston, Bruce A. Cox, Paul P. Rebeiz, Timothy W. Breitbach

Faculty Publications

Purpose — Supply chains need to balance competing objectives; in addition to efficiency, supply chains need to be resilient to adversarial and environmental interference and robust to uncertainties in long-term demand. Significant research has been conducted designing efficient supply chains and recent research has focused on resilient supply chain design. However, the integration of resilient and robust supply chain design is less well studied. The purpose of the paper is to include resilience and robustness into supply chain design. Design/methodology/approach — The paper develops a method to include resilience and robustness into supply chain design. Using the region of West …

Undersea Cables: The Ultimate Geopolitical Chokepoint, Bert Chapman

FORCES Initiative: Strategy, Security, and Social Systems

This work provides historical and contemporary overviews of this critical geopolitical problem, describes the policy actors addressing this in the U.S. and selected other countries, and provides maps and information on many undersea cable work routes. These cables are chokepoints with one dictionary defining chokepoints as “a strategic narrow route providing passage through or to another region."

Isscm Newsletter, December, 2021, Raj Soin College Of Business, Wright State University

ISSCM Newsletters

A three page newsletter from the Department of Information Systems and Supply Chain Management in the Raj Soin College of Business at Wright State University.

Exploration Of Small Fashion Retailers' Green Efforts In Supply Chain Management And Their Coping Strategies During Covid-19, Madison Huskey

Finance Undergraduate Honors Theses

The purpose of this paper is to explore the current business model of small fashion retailers and their green efforts in supply chain management based on the Six-R framework that consists of recycle, reuse, reduce, re-design, recovery, and remanufacture. This study also investigated the impact of COVID-19 on small fashion businesses. Qualitative data were gathered through in-depth interviews of owners/employees of four small fashion retailers that addressed sustainable supply chain management, customer segments, and challenges and barriers in green supply chain management, and the effects of COVID-19. Interview findings revealed that small fashion retailers are more likely to implement green …

Achieving Excellence For California’S Freight System: Developing Competitiveness And Performance Metrics; Incorporating Sustainability, Resilience, And Workforce Development, Jian-Yu Ke, Fynnwin Prager, Jose Martinez, Chris Cagle

Mineta Transportation Institute Publications

This study explores the question of whether California's freight system is staying competitive with other US regions. A novel analytical framework compares supply chain performance metrics across multiple US states and regions for seaports, airports, highways, freight rail service, and distribution centers by combining the Performance Evaluation Matrix (PEM), Competitive Position Matrix (CPM), and Business Process Management (BPM) approaches. Analysis of industry data and responses from structured interviews with 30 freight industry experts across 5 transportation sectors suggests that California's freight system is competitive for seaports, airports, and freight rail; however, highways and distribution centers have room for improvement with …

Integration Of Blockchain Technology Into Automobiles To Prevent And Study The Causes Of Accidents, John Kim

Electronic Theses, Projects, and Dissertations

Automobile collisions occur daily. We now live in an information-driven world, one where technology is quickly evolving. Blockchain technology can change the automotive industry, the safety of the motoring public and its surrounding environment by incorporating this vast array of information. It can place safety and efficiency at the forefront to pedestrians, public establishments, and provide public agencies with pertinent information securely and efficiently. Other industries where Blockchain technology has been effective in are as follows: supply chain management, logistics, and banking. This paper reviews some statistical information regarding automobile collisions, Blockchain technology, Smart Contracts, Smart Cities; assesses the feasibility …

Supply Chain In Library: A Bibliometric Analysis, Ria Arifianti, Abdurrahman Rahim Thaha, Taharuddin Taharuddin

Library Philosophy and Practice (e-journal)

The research objective of this paper is to identify and map supply chain research in a library. This study conducted a bibliometric analysis using the Scopus electronic database. The article search is done by filtering search results in the system and manual exploration to get relevant articles. The collected articles are processed with the VOSviewer application to obtain research mapping results. A total of 81 articles were obtained from 1999 to 2021, with an increasing trend in the number of articles each year. The United States and China are the most productive countries in this field. Three cluster topics were …

Greenhouse Tomatoes: Process Simulation, Juan Gabriel Marin Jr.

Graduate Theses and Dissertations

Growing population demand and challenges brought on by climate change have spurred the need for more resilient fruit and vegetable supply chains. One agricultural technology of significant interest is the use of greenhouses for food production. Greenhouses create a stable and adaptable environment for crops such as tomatoes to grow year-round. Fresh tomatoes are the second most consumed vegetable per capita in U.S. diets, currently averaging 20.7 pounds. The growing consumption of fresh tomatoes has been the result of increasing cultural diversity in the United States.

To meet the growing demand, Venlo-type greenhouses have been frequently used by growers. It …

Supply Chain Management Integration With Blockchain, Venkat Veramallu

Electronic Theses, Projects, and Dissertations

Maintaining the integrity of data within the supply chain is a challenge. Many current implementations lack a capability to provide a trustworthy system for the stakeholders in a supply chain, making communication amongst stakeholders easy but unreliable. Organizations are considering blockchain technology as it provides access control, immutability, transparency and trust amongst the stakeholders in a supply chain. This project is an investigative study on the benefits and challenges of implementing blockchain technology in supply chain management, a framework for integration of blockchain technology, and a project prototype which shows a blockchain use case implementation in supply chain management. The …

Dark Side Of Black Friday: The Major Drawbacks With This Shopping Bonanza, Sarah Schiffling, Nikolaos Valantasis Kanellos

Articles

Black Friday is upon us again. It’s one of the biggest shopping events of the year, although there are mixed signals about how successful it is likely to be in 2021. One recent study found that only a third of consumers plan to take part. The financial strain of COVID-19 is still evident, and inflation running at its highest level in a decade.

All the same, consumer confidence has been rising. According to GlobalData, shoppers are set to spend nearly £9.2 billion in the four days from Black Friday to Cyber Monday. This would still be a big increase …

A Comprehensive Framework For Sustainable Closed-Loop Supply Chain Network Design, Madjid Tavana, Hadi Kian, Arash Khslili Nasr, Kannan Govindan, Hassan Mina

Business Systems and Analytics Faculty Work

Many companies face challenges in reducing their supply chain costs while increasing sustainability and customer service levels. A comprehensive framework for a sustainable closed-loop supply chain (CLSC) network is a practical solution to these challenges. Hence, for the first time, this study considers an integrated multio-bjective mixed-integer linear programming (MOMILP) model to design sustainable CLSC networks with cross-docking, location-inventory-routing, time window, supplier selection, order allocation, transportation modes with simultaneous pickup, and delivery under uncertainty. An intelligent simulation algorithm is proposed to produce CLSC network data with probabilistic distribution functions and feasible solution space. In addition, a fuzzy goal programming approach …

Exploring The Influence Of Industry 4.0 Technology On Buyer-Supplier Relationships (Supplier Transparency) And Supply Chain Agility, Honey Zimmerman

Dissertations

Constantly evolving technologies enable supply chains around the world to thrive and become progressively more sophisticated and responsive. Industry 4.0 (I4.0) technologies connect supply chain networks like never before. Still, anecdotal evidence suggests that few firms have implemented such technologies enterprise-wide. Therefore, to investigate the value created from the implementation of such technology, the focus of this study was on buyer-supplier relationships (BSR) and firm supply chain agility (FSCA) in the context of I4.0 technologies. Using mixed methodologies within a single-case study, we set out to answer the research question: Does I4.0 technology influence buyer-supplier relationships and firm supply chain …

Forecasting Demand For Optimal Inventory With Long Lead Times: An Automotive Aftermarket Case Study, Chris Anderson

Dissertations

Accuracy in predicting customer demand is essential to building an economic inventory policy under periodic review, long lead-time, and a target fill rate. This study uses inventory and customer service level as a stock control metric to evaluate the forecast accuracy of different simple to more complex predictive analytical techniques. We show how traditional forecast error measures are inappropriate for inventory control, despite their consistent usage in many studies, by evaluating demand forecast performance dynamically with customer service level as a stock control metric that includes inventory holdings costs, stock out costs, and fill rate service levels. A second contribution …

Sustainably Feeding The World In The 21st Century, Ren Hua Ho, Husodo Angkosubroto, Oi Hian Lee

Perspectives@SMU

Managing investor expectation, exploiting low-hanging fruit, and farmer education will be key

Pivot Or Perish: The Retail Reality, Anne Lepissier, Ryan Vaughan, Shantanu Bhattacharya

Perspectives@SMU

Brick-and-mortar retailers are adapting to meet the challenges posed by accelerating e-commerce adoption. Some are doing better than others, but supply chain obstacles could prove decisive

The Race To Fifty Feet: An Effort To Determine The Benefits Of Deepening The Mississippi River, Brian Miles

University of New Orleans Theses and Dissertations

This research examined the benefits and drawbacks of deepening the Lower Mississippi River to fifty feet. It established that the deepening of the Lower Mississippi River will impact not only the local area but also the inland regions that rely on the river systems and lower river ports for product movement. The perspectives of vessel operators, maritime industry experts and charterers are provided to offer insight. The sources for the research include educational literature, maritime research and interviews of industry experts. Based on this research, it is clear that this project will benefit many parties. The beneficiaries will include both …

Smart Charging Of Electric Vehicle: An Innovative Business Model For Utility Firms, Owen Wu, Safak Yucel, Yangfang (Helen) Zhou

Research Collection Lee Kong Chian School Of Business

Problem Definition: By providing an environmentally friendly alternative to traditional vehicles, electric vehicles will transform urban mobility, particularly in smart cities. In practice, once an electric vehicle is plugged in, the charging station completes charging as soon as possible. Given that the procurement cost of electricity and associated emissions vary significantly during a day, substantial savings can be achieved by smart charging—delaying charging until the cost is lower. In this paper, we study smart charging as an innovative business model for utility firms. Practical Relevance: Utility firms are already investing in charging stations and they can achieve significant cost savings …

Technology Lends A Hand To Green E-Commerce, Hao Liang, Sin Mei Cheah

Research Collection Lee Kong Chian School Of Business

The world has witnessed an e-commerce boom in the past 2 decades, and Asia-Pacific is now driving the latest wave of growth. The Covid-19 pandemic has further accelerated consumers' growing preference for online consumption, with the Asia-Pacific region raking US$230 billion in online retail sales in 2020. This article is adapted from the authors' teaching case study - Alibaba Cainiao's Smart Green Logistics Strategy: Good for the Earth, Good for the Business.

Analytics-Based Optimization For The Integration Of Drones Into Last-Mile Logistics, Amro M. El-Adle

Doctoral Dissertations

The growing volume and consistency of online ordering has renewed focus on the optimization of logistics and interest in technology-driven supply chain operations. Recent trials have demonstrated the viability of using unmanned aerial vehicles (UAVs), known colloquially as drones, in last-mile deliveries. In minimizing delivery times for customers, reducing the load of logistics workers, and reducing congestion and pollution per delivery, the integration of drones into traditional delivery networks presents transformative potential to benefit consumers, firms, and society at large. This dissertation investigates operational and tactical problems that inform routing and assignment decisions for vehicle-drone delivery systems. In three essays …