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LiBiT algorithm to solve static pricing problems under mixed multinomial logit demand

posted on 24.08.2020, 15:35 by Ahmadreza Marandi, Virginie Lurkin
Price differentiation is a common strategy for many operators. We study a static multiproduct price optimization problem with demand given by a continuous mixed multinomial logit model. To solve this new problem, we design an efficient iterative optimization algorithm that asymptotically converges to the optimal solution. To this end, a linear optimization (LO) problem is formulated, based on the trust-region approach, to find a "good" feasible solution and approximate the problem from below. Another LO problem is designed using piecewise linear relaxations to approximate the optimization problem from above. Then, we develop a new branching method to tighten the optimality gap.




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Eindhoven University of Technology, Department of Industrial Engineering & Innovation Sciences, Operations, Planning, Accounting, and Control