Technical Sessions
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T ECHNICAL S ESSIONS How to Navigate the Sunday, 8:00am - 9:30am· Technical Sessions There are four primary resources to help you ■ SA01 understand and navigate the Technical Sessions: • This Technical Session listing, which provides the Supply Chain Management I most detailed information. The listing is presented Contributed Session chronologically by day/time, showing each session Chair: Nagihan Comez, Assistant Professor, Bilkent University, Ankara, and the papers/abstracts/authors within each Ankara, Turkey, [email protected] session. 1 - Comparative Study of Consignment and Wholesale Contractual Arrangement • The Session Chair, Author, and Session indices Dengfeng Zhang, University of Iowa, S210 Pappajohn Business provide cross-reference assistance (pages 375-409). Building, Iowa City, IA, 52242, United States, [email protected], Renato deMatta, Timothy Lowe • The map and floor plans on pages 42 and 43 show The unprecedent growth of businesses in online marketplaces brings with it new you where technical session tracks are located. challenges to manage the supply chain. In this paper, we investigate the decisions and channel performance issues surrounding consignment contractual • The Master Track Schedule is on pages 44-47. arrangement (CCA) and how they differ from a wholesale contractual This is an overview of the tracks (general topic areas) arrangement (WCA). Also, we provide some insights on contractual preferences and when/where they are scheduled. of managers to learn why they prefer CCA over WCA with certain sellers. 2 - Contract Design for Multiple Channels Xiaowei Zhu, Assistant Professor, West Chester University, 312A Quickest Way to Find Your Own Session Anderson Hall, West Chester, United States, [email protected], Samar Mukhopadhyay, Xiaohang Yue Use the Author Index (pages 379-400) — the session A firm faces potential channel conflict when it opens online sale in addition to its code for your presentation(s) will be shown along with existing retail channel. To reduce this, the firm can allow the retailer to add the track number. You can also refer to the full session value to the product, the cost of which is private information, to differentiate it. We use a game theoretic approach to derive optimal contracts under full and listing for the room location of your session(s). asymmetric information. 3 - Dynamic Pricing and Ordering Decisions for Perishable Products Chulung Lee, Professor, Korea University, Anam-dong, The Session Codes Seongbuk-gu, Seoul, 136-713, Korea, Republic of, [email protected], Rujing Liu, Ek Peng Chew Track number. Coordinates with We study the coordination of the dynamic pricing and ordering decisions of a SB01 the room locations shown in the perishable product. We compute the optimal order quantity of new product and Master Track Schedule. Room loca- the optimal discounted price for older products given the remaining inventory tions are also indicated in the listing level in order to maximize the total profit. for each session. 4 - Design of an Agent-based Supply Chain Simulation System Liping Fang, Professor, Ryerson University, Dept. of Mechanical & Time Block. Matches the time Industrial Engin., 350 Victoria Street, Toronto, ON, M5B 2K3, The day of blocks shown in the Master Track Canada, [email protected], Yucheng Wang the week Schedule. Design of an agent-based supply chain simulation system is presented, in which a supply chain entity is represented by an agent. The proposed system has six layers: raw material providers, component manufacturers, product assemblers, Time Blocks product holders, retailers, and final customers. Issues in supply chain management could be simulated and studied. A — 8:00am - 9:30am B — 10:00am - 11:30am 5 - Buyer-supplier Relationship Dissolution: Insights From the Ford-Firestone Breakup C — 1:30pm - 3:00pm Yi-Su Chen, University of Minnesota, 3-150 Carlson School of D — 4:30pm - 6:00pm Management, 321-19th Ave S., Minneapolis, MN, 55455, United States, [email protected], Johnny Rungtusanatham, On Wednesday, D block is 3:30-5:00pm. Plenaries, Kevin Dooley keynotes and lunch breaks are interspersed among the Developing a strategic relationship is arduous, dissolving one is equally technical session time blocks. strenuous. The relationship between Ford and Firestone was once long-standing and valued before it was terminated. By scrutinizing their breakup, we offer insights on the key forces that increase the probability of relationship dissolution during times of crisis. Theoretical contributions and managerial implications are Room Locations/Tracks also discussed. All tracks and technical sessions are held in the Convention Center and Sheraton. Room numbers are shown on the Master Track Schedule and in the techni- ■ SA02 cal session listing. Issues in Product Life Cycle and Quick Reference Durability Management Cluster: Supply Chain Don’t miss the Quick Reference, a separate flier you Invited Session received in your registration packet. It includes the Chair: Steve Gilbert, Associate Professor, The University of Texas at Master Track Schedule and floor plans, providing a Austin, McCombs School of Business, 1 University Station, B6500, quick, portable summary of the meeting Austin, TX, 78712, United States, [email protected] 53 SA03 INFORMS SEATTLE — 2007 1 - Product Design for Life Cycle Mismatch 4 - Dynamic Inventory Games with Substitution James Bradley, Associate Professor, College of William and Mary, Rodney Parker, Assistant Professor of Operations Management, Mason School of Business, 118C Tyler Hall, Williamsburg, VA, Yale School of Management, 135 Prospect St, New Haven, CT, 23187-8795, United States, [email protected], 06520-8200, United States, [email protected], Tava Olsen Hector Guerrero We consider multi-period stochastic games involving substitutable inventory and Life-cycle mismatch occurs when component life cycles are shorter than the life study when the equilibrium behavior is consistent with that observed in the cycles of products that contain them. Mitigating component obsolescence can be equivalent static game. For inventory substitution games, we show the sustained costly, but durable product designs can be more expensive to design and produce. equilibrium inventory policy is base-stock and when compared to the integrated Our model determines the appropriate durability for a particular product life firm, there is greater overall inventory holding but individual firms may stock cycle. less. 2 - Evaluating the Environmental Performance of Product Leasing Mark Ferguson, Georgia Institute of Technology, 800 West Peachtree Street NW, Atlanta, GA, United States, ■ SA04 [email protected], Vishal Agrawal We evaluate the impact of the lease versus sell decision on environmental performance measures such as the quantity of products remanufactured versus Tutorial: Community-based Operations Research recycled or disposed. We extend the results on durable goods from the economics Cluster: Tutorials literature and on closed-loop supply chains in the operations literature. Invited Session 3 - Replenishment Decision with Extented Warranty 1 - Community-based Operations Research Xinxin Hu, Assistant Professor, Indiana University, Kelley School Michael Johnson, Associate Professor, Department of Public Policy of Business, Room BU570C, Bloomington, IN, 47405, and Public Affairs, John W. McCormack Graduate School of Policy United States, [email protected], Seb Heese Studies, University of Massachusetts Boston, 100 Morrissey Blvd, This is a retailer’s multiperiod replenishment problem with extended warranty. Boston, MA, 02125-3393, United States, Retailer has two demands - new customers and old customers who exercise the [email protected], Karen Smilowitz warranty. The warranty demand has the first priority to be satisfied, and retailer Community-based operations research is the application of decision models to must guarantee a full satisfaction. Hence, it reduces retailer’s capability to meet social issues of a local nature. The goal of this field is to design policies and tactics new demand and even incurs an additional cost. We consider three uncertainties that have the potential to improve individual life outcomes and neighborhood- new demand, warranty exercise ratio, and fraction of customers who buy level outcomes by addressing welfare, equity and administrative efficiency warranty. simultaneously. Community-based OR problems tend to be messy and dependent 4 - Implications of Product Lifecycle and Channel Structure Upon on political and social considerations. This tutorial defines community-based OR Optimal Investment in Durability in the context of public-sector OR/MS, highlights current research in a variety of Sreekumar Bhaskaran, Assistant Professor, Southern Methodist domains and identifies a number of new research opportunities. Two case studies University, COX Business School, 389 Crow, Dallas, TX, 75275, in food security and affordable housing emphasize the commonality of problem attributes and the diversity of modeling and solution methods. United States, [email protected], Steve Gilbert We investigate how the use of intermediaries in the channel of distribution affects a manufacturer’s investment in the durability of a product. Depending upon the product and technology life-cycles, the nature production technology ■ SA05 and manufacturing costs, we find that a manufacturer can have an incentive to invest more in durability when he sells through intermediaries than when