CPMS, The Practice Section of INFORMSAnnonuncements
First CPMS Practice DinnerCPMS held its first annual CPMS Practice Dinner on Saturday night in San Jose at the November INFORMS meeting. We designed this event to appeal to practitioners from all corners of INFORMS who travel early to the National Meeting. The evening started out with wine & cheese and informal greetings, followed by a delicious dinner. We had an excellent after-dinner keynote address "Adventures in Policy Modeling" by Ed Kaplan of Yale University. Ed let us in on the secrets of getting involved in important policy issues and how applying OR techniques to these problems and addressing the key issues led him to give influential briefings at the highest level of government. Ed told of many adventures, beginning with his sometimes unpopular analysis in support of needle exchange programs in New Haven and including analysis and modeling for the critical and timely issue of a national smallpox immunization policy. In all it was a wonderful evening and well worth attending.
Isolated Practitioner WorkshopThis one-hour, evening session is usually held at each INFORMS National Meeting. We usually have a panel discussion or presentation on a topic of interest to the isolated practitioner. Jack Theurer of the NY Chapter sponsors this popular event."
Area of InterestCPMS is concerned with the practice of operations research and the management sciences. Rather than any specific technical methods or areas of study, CPMS is concerned with how all methodologies are applied in evironments where customers seek the help of practitioners to solve problems, reduce costs, or otherwise improve results. ContactCommunications regarding CPMS should be sent to: Russell Labe (Chair) Email: RLabe@NA2.US.ML.com Practitioner News
MembershipThe major purpose of CPMS, the Practice Section of INFORMS, is to promote practice by focusing on the great value of management science and operations research and on the problems and applications that impact managerial decision making. Dues are $20 for INFORMS members, $30 for non-members and $10 for students. Call 800-446-3676; e-mail member.services@informs.org; or write to INFORMS, 901 Elkridge Landing Road, Suite 400, Linthicum, MD, 21090. CPMS Activities:FRANZ EDELMAN AWARD For Achievement in Operations Research and the Management SciencesCPMS runs this competition and shares expenses and revenue with INFORMS.
The Daniel H. Wagner Prize for Excellence in Operations Research PracticeCPMS has established this prize in memory of the late Dr. Daniel H. Wagner. The cost is supported by endowments from Metron, Inc., Daniel H. Wagner, Associates, Inc., and Applied Mathematics, Inc. The results of the 1998 competition are available on-line. 2002 Competition: Margaret S. Trench, Shane P. Pederson, Edward T. Lau, Lizhi Ma, Hui Wang , Bank One Card Services, Inc. and Suresh K. Nair , School of Business, University of Connecticut Credit Line and Price Management for Bank One Credit Cards This paper describes a methodology developed and implemented to manage characteristics of the cardholder portfolio in an optimal manner. The annual percentage rate (APR) and credit line of an account are critical factors that influence card usage and bank profitability. Lower APRs and higher credit lines are more attractive to consumers. However, APRs that are too low may reduce bank profitability, while indiscriminate line increases may dramatically increase credit loss exposure. The PORTICO (Portfolio Control and Optimization) system is designed to pick the price points (APRs) and credit limits for each cardholder that maximize Net Present Value (NPV) for the portfolio, given constraints on quantities such as risk of default. Portico was developed using Markov Decision Process (MDP) methodology. This model applies account level historical information on purchases, payments, profitability and delinquency risk to determine pricing and credit limit changes. In competitive benchmark tests over more than a year, our model outperforms both the current methodology and a competing approach. Section Officers
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