1. Develop a methodology to estimate demand when there are substitution effects and lost sales, and when the assortment and availability of the products changes over time. 2. Market discovery device to augment an initial set of customer types. 3. Required inputs: Transaction and availability data, initial set of customer types. 4. MD can substantially improve the quality of the estimates obtained starting from the independent demand assumption. 5. Significant practical potential! 6. Current work: Mendez-Diaz, Vulcano and Zabala (2014): B&C method for the column generation subproblem.
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