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On the (Surprising) Sufficiency of Linear Models for Dynamic Pricing with Demand Learning

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  • Omar Besbes

    (Graduate School of Business, Columbia University, New York, New York 10027)

  • Assaf Zeevi

    (Graduate School of Business, Columbia University, New York, New York 10027)

Abstract

We consider a multiperiod single product pricing problem with an unknown demand curve. The seller’s objective is to adjust prices in each period so as to maximize cumulative expected revenues over a given finite time horizon; in doing so, the seller needs to resolve the tension between learning the unknown demand curve and maximizing earned revenues. The main question that we investigate is the following: How large of a revenue loss is incurred if the seller uses a simple parametric model that differs significantly (i.e., is misspecified ) relative to the underlying demand curve? We measure performance by analyzing the price trajectory induced by this misspecified model and quantifying the magnitude of revenue losses (as a function of the time horizon) relative to an oracle that knows the true underlying demand curve. The “price of misspecification” is expected to be significant if the parametric model is overly restrictive. Somewhat surprisingly, we show (under reasonably general conditions) that this need not be the case. This paper was accepted by Gérard Cachon, stochastic models and simulation.

Suggested Citation

  • Omar Besbes & Assaf Zeevi, 2015. "On the (Surprising) Sufficiency of Linear Models for Dynamic Pricing with Demand Learning," Management Science, INFORMS, vol. 61(4), pages 723-739, April.
  • Handle: RePEc:inm:ormnsc:v:61:y:2015:i:4:p:723-739
    DOI: 10.1287/mnsc.2014.2031
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    References listed on IDEAS

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