: HP Transforms Product Portfolio Management with Operations Research Julie Ward, Bin Zhang, Shailendra Jain, Chris Fry, Thomas Olavson, Holger Mishal, Jason Amaral, Dirk Beyer, Ann Brecht, Brian Cargille, Russ Chadinha, Kathy Chou, Gavin DeNyse, Qi Feng, Cookie Padovani, Sesh Raj, Kurt Sunderbruch, Robert Tarjan, Krishna Venkatraman, Joseph Woods, Jing Zhou HP Laboratories HPL-2010-66 cost analysis; stochastic inventory analysis; flow algorithms; product portfolio management; inventory management; regression; statistic; binary programming; Lagrangian relaxation; parametric maximum flow HP offers many innovative products to meet diverse customer needs. The breadth of its product offerings has helped the company achieve unparalleled market reach; however, it has come with significant costs and challenges. By offering multiple similar products, a manufacturer increases its overall demand volatility, reduces forecast accuracy, and can adversely affect revenue and costs across the enti...