Revenue management under a general discrete choice model of consumer behavior

Revenue management under a general discrete choice model of consumer behavior

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Article ID: iaor20073296
Country: United States
Volume: 50
Issue: 1
Start Page Number: 15
End Page Number: 33
Publication Date: Jan 2004
Journal: Management Science
Authors: ,
Keywords: behaviour, programming: dynamic
Abstract:

Customer choice behavior, such as buy-up and buy-down, is an important phenomenon in a wide range of revenue management contexts. Yet most revenue management methodologies ignore this phenomenon – or at best approximate it in a heuristic way. In this paper, we provide an exact and quite general analysis of this problem. Specifically, we analyze a single-leg reserve management problem in which the buyers' choice behavior is modeled explicitly. The choice model is very general, simply specifying the probability of purchase for each fare product as a function of the set off are products offered. The control problem is to decide which subset of fare products to offer at each point in time. We show that the optimal policy for this problem has a quite simple form. Namely, it consists of identifying an ordered family of ‘efficient’ subsets S1, ..., Sm, and at each point in time opening one of these sets Sk, where the optimal index k is increasing in the remaining capacity x and decreasing in the remaining time. That is, the more capacity (or less time) available, the further the optimal set is along this sequence. We also show that the optimal policy is a nested allocation policy if and only if the sequence of efficient sets is nested, that is S1⊆S2⊆...⊆Sm. Moreover, we give a characterization of when nesting by fare order is optimal. We also develop an estimation procedure for this setting based on the expectation-maximization (EM) method that jointly estimates arrival rates and choice model parameters when no-purchase outcomes are unobservable. Numerical results are given to illustrate both the model and estimation procedure.

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