Operations and Supply Chain Management Commons^™

C-130j Inventory Control Point Location Determination, Joshua P. Casey

Theses and Dissertations

Since the first C-130J delivery in 1999, Lockheed Martin has managed the USAF’s C-130J “peculiar” parts inventory at Keesler AFB. Now with 193 aircraft assigned to 17 operating locations across the globe, effective supply chain management and recognized cost savings are essential components to mission success and fleet longevity. Previous research within the area of location analysis has shown that minimizing the average weighted distance of shipping products can assist in cost reduction efforts. Due to this, the goal of this study is to determine if alternative CONUS C-130J locations can be utilized as the Inventory Control Point to help …

Resilient Aircraft Maintenance Constructs: Enhancing Repair Network Designs To Effectively Manage Risks And Supply Chain Interruptions, Thomas S. Bihansky

Theses and Dissertations

This research aims to extend the understanding of supply chain resiliency by utilizing a simulation model of a U.S. Air Force aircraft engine repair network to evaluate the degree of resiliency built into the system. The study compares the recovery time of the disrupted current system to that of a fully-integrated repair network; the objective being the quantification of resiliency in the current networks design and gauging the effectiveness of various strategies in reducing recovery time. This contributes to current literature by bridging the explicit gap on how to quantify, measure, and compare resilient supply chain strategies and also provides …

Efficiency Driver In Nigerian Airports: A Bootstrap Dea–Censored Quantile Regression Approach, Obioma Reuben Nwaogbe, Peter Wanke, Innocent Chukwuka Ogwude, Carlos Pestana Barros, Abul Kalam Azad

Journal of Aviation Technology and Engineering

This paper reports on the use of a novel two-stage approach for assessing the efficiency of 30 major Nigerian airports from 2003 to 2013 based on bootstrapped data envelopment analysis (DEA) and censored quantile regression. In the first stage, bootstrapped efficiency estimates are computed. They enable bias correction and testing for significant differences in efficiency levels among airports. Subsequently, bootstrapped DEA results are combined with censored quantile regression to assess the impact of contextual variables—related to the airports’ ownership, location, and network connectivity—on different efficiency percentiles. The results reveal that the intensity of significant impacts regarding airports’ contextual variables may …

Commercial Space Transportation: A Simulation And Analysis Of Operations Impacts On The United States National Airspace System And Airline Stakeholders, Janet K. Tinoco, Rodrigo Firmo, Chunyan Yu, Mohammad Moallemi, Carlos Castro, Todd Waller

Publications

Agenda:

• Background on space launch activity
• Research problem and objective
• Methodology
• Results
• Implications
• Future research

Isscm Newsletter, Vol. 24, March 16, 2018, Raj Soin College Of Business, Wright State University

ISSCM Newsletters

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

Getting What You Want: A Compelling, Reusable, One-Page Message., Martin A. Draper, Betsy B. Draper

Academic Chairpersons Conference Proceedings

Using examples from planning and evaluation, government and business models, presenters will share tactics and strategies for simple, concise communications on important issues. Participants will practice by developing a one-page position paper, briefing paper or decision memo.

Global Supply Chains Depend On People, Michael Gravier

Marketing Department Faculty Journal Articles

Any threat to use tariffs as an economic weapon will have limited effect because we don’t hold the same power we used to.

Constrained Dual Representation Of Coherent Risk Measures, Marcus Ang, Jie Sun, Qiang Yao

Research Collection Lee Kong Chian School Of Business

A classical result in risk measure theory states that every coherent risk measure has a dual representation as the supremum of certain expected value over a risk envelope. We study this topic in more detail. The related issues include: (1) Set operations of risk envelopes and how they change the risk measures, (2) The structure of risk envelopes of popular risk measures, (3) Aversity of risk measures and its impact to risk envelopes, and (4) A connection between risk measures in stochastic optimization and uncertainty sets in robust optimization.

Quadratic Two-Stage Stochastic Optimization With Coherent Measures Of Risk, Jie Sun, Li-Zhi Liao, Brian Rodrigues

Research Collection Lee Kong Chian School Of Business

A new scheme to cope with two-stage stochastic optimization problems uses a risk measure as the objective function of the recourse action, where the risk measure is defined as the worst-case expected values over a set of constrained distributions. This paper develops an approach to deal with the case where both the first and second stage objective functions are convex linear-quadratic. It is shown that under a standard set of regularity assumptions, this two-stage quadratic stochastic optimization problem with measures of risk is equivalent to a conic optimization problem that can be solved in polynomial time.

2018 Toronto Fishackathon Back Stories, Mark Buchner

Publications and Scholarship

Cause-based “hackathons” are a experiential learning experience for students in various programs (Systems Analysis, Project Management) at GTA colleges. By partnering with Toronto-based hackathon powerhouse HackerNest, students have been provided with opportunities to demonstrate their innovation and leadership while developing solutions for real-world problems. This year’s focus was ocean sustainability. Fishackathon was implemented in 40+ cities around the world with the help of the US State Department.

Ultimately, what I saw from Fishhackathon was the amazing potential of experiential learning to highlight the unique skill-sets of student leaders and entrepreneurs. This blog posting will feature the stories of contributions of …

Infrastructure Fix Requires Innovating Our Regulatory Approach, Michael Gravier

Marketing Department Faculty Journal Articles

The real problem with infrastructure is the management process – or lack thereof.

Isscm Newsletter, Vol. 23, January 31, 2018, Raj Soin College Of Business, Wright State University

ISSCM Newsletters

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

Strategic Excellence In Post-Digital Ecosystems: A B2c Perspective, Edin Güçlü Sözer, Mustafa Emre Civelek, Murat Çemberci

Zea E-Books Collection

The basic production of the digital economy is knowledge. As it becomes more important, traditional factors like labor and capital become less so. As technological innovation changes the nature of employment, the conversion of labor to consumption becomes increasingly difficult. E-commerce is the most important driving force of the digital economy. Using technology and information networks effectively allows brands or companies to effect rapid changes in competitive markets. The emergence of neo-consumers calls for a higher order of information exchange and interaction. Companies must reasses their complete business processes in a holistic way to ensure market prominence in an economy …

The Emerging International Taxation Problems, James G. Yang, Victor N.A. Metallo

Department of Accounting and Finance Faculty Scholarship and Creative Works

The problems of tax evasion and tax avoidance are as old as taxes themselves. Between 2015 and 2016 alone, many U.S. multinational corporations were involved in tax disputes with the European Commission. From a historical perspective, these disputes are unprecedented as they have resulted in tremendous amount of tax penalties. The most notable case was Apple for €13 billion of unpaid tax. This article discusses what tax strategies these corporations used that caused such disputes. It specifically investigates seven corporations: Apple Inc., McDonald’s, Starbucks, Fiat, Amazon, Google, and Ikea, and elaborates on the following tax strategies: high royalties, intercompany transfer …

A Design Methodology To Optimize Supply Chain Network Performance, Dheeraporn Nippaya, J. David Porter

15th IMHRC Proceedings (Savannah, Georgia. USA – 2018)

Organizations are constantly looking for new ways to reduce costs while still providing high customer service levels to face stringent competitive environments and the ever- increasing market globalization. An alternative these organizations can pursue to respond to these challenges and to gain a competitive differentiation is to optimize their supply chain network (SCN). This research aims to develop an effective SCN design strategy to locate facilities (i.e., plants and distribution centers) and to balance the allocation of customers to these facilities to satisfy capacity limitations and customer demands with minimum total cost and maximum level of service. It is anticipated …

On The Unique Features And Benefits Of On-Demand Distribution Models, Jennifer A. Pazour, Kaan Unnu

15th IMHRC Proceedings (Savannah, Georgia. USA – 2018)

To close the gap between current distribution operations and today’s customer expectations, firms need to think differently about how resources are acquired, managed and allocated to fulfill customer requests. Rather than optimize planned resource capacity acquired through ownership or long- term partnerships, this work focuses on a specific supply-side innovation – on-demand distribution platforms. On-demand distribution systems move, store, and fulfill goods by matching autonomous suppliers' resources (warehouse space, fulfillment capacity, truck space, delivery services) to requests on-demand. On-demand warehousing systems can provide resource elasticity by allowing capacity decisions to be made at a finer granularity (at the pallet-level) and …

A Measurement Tool For Circular Economy Practices: A Case Study In Pallet Supply Chains, Maria Grazia Gnoni, Fabiana Tornese, Brian K. Thorn, Andres L. Carrano, Jennifer A. Pazour

15th IMHRC Proceedings (Savannah, Georgia. USA – 2018)

A circular economy (CE) is an economic system where products and services are traded in closed loops or ‘cycles’. This work develops a framework for assessing the extent to which product supply chains incorporate circular economy principles, and applies this framework to a specific material handling application, the wooden pallet supply chain. The main decisions affecting circularity and the most common decision alternatives for the wooden pallet supply chain are identified for the Pre-manufacturing, manufacturing, product delivery, customer use, and end-of-life phases. A streamlined life cycle assessment tool is developed for supporting a quick analysis about how the level of …

A Space Syntax Analysis Of The Relationship Between Function And Form In Facility Layout, Alejandro Teran-Somohano, Alice E. Smith

15th IMHRC Proceedings (Savannah, Georgia. USA – 2018)

This paper explores the relationship between a facility’s operation and its form using quantitative techniques provided by Space Syntax. Space Syntax provides quantitative metrics for characterizing the spatial traits of the locations within a facility which can then be related to operational metrics. Instances of the quadratic assignment problem are used to perform spatial and operational analyses on different flow matrices to study the resulting layouts. The effects of different objective functions on facility shapes are also studied.

Synthetic Order Data Generator For Picking Data, Mohammadnaser Ansari, Behnam Rasoolian, Jeffrey S. Smith

15th IMHRC Proceedings (Savannah, Georgia. USA – 2018)

Sample data are in high demand for testing and benchmarking purposes. Like many other fields, warehousing and specifically order picking process are not exempt from the need for sample data. Sample data are used in order picking pro- cesses as a way of testing new methodologies such as new routing and new storage allocation approaches. Unfortunately, access to real order picking data is limited because of confidentiality and privacy issues which make it difficult to obtain practical results from the new methodologies. On the other hand, order data follows a highly complex and correlated structure that cannot be easily extracted …

A Practical Collaborative Material Handling Strategy For Cross-Docks, Hector J. Carlo, Stephanie Santiago-Montano

15th IMHRC Proceedings (Savannah, Georgia. USA – 2018)

The current operational paradigm at less-than- truckload (LTL) cross-dock industry (i.e., dedicated strategy) is to assign one material handler (MH) per inbound trailer. As a consequence, each loaded trip performed by a MH to move a load from the assigned inbound door to the loads’ corresponding outbound door is followed by an identical empty trip to return to the inbound door. This paper introduces the monomaniacal strategy as a practical rule-based material handling collaborative strategy for LTLs designed to minimize the total empty travel. In the monomaniacal strategy, after delivering a load to an outbound door, MHs travel counterclockwise to …