Journal
MANAGEMENT SCIENCE
Volume 57, Issue 6, Pages 1078-1093Publisher
INFORMS
DOI: 10.1287/mnsc.1110.1337
Keywords
revenue management; bid prices; subgame-perfect equilibrium
Funding
- International Center for Logistics Research (CIIL) at IESE Business School
- Plan Nacional del Ministerio de Ciencia y Tecnologia, Spain [ECO2008-05155, ECO2009-11307]
- ICREA Funding Source: Custom
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In this paper, we study price competition for an oligopoly in a dynamic setting, where each of the sellers has a fixed number of units available for sale over a fixed number of periods. Demand is stochastic, and depending on how it evolves, sellers may change their prices at any time. This reflects the fact that firms constantly, and almost costlessly, change their prices, reacting to updates in their estimates of market demand, competitor prices, or inventory levels. In a setting with demand uncertainty, we show that there is a unique subgame-perfect equilibrium for a duopoly, in which all states sellers engage in Bertrand competition and the seller with the lower equilibrium reservation value sells a unit at a price equal to the competitor's equilibrium reservation value. This structure therefore extends the marginal-value concept of bid-price control, used in many revenue management implementations, to a competitive model. We give a closed-form solution to the equilibrium price paths for a duopoly and extend all the results to an n-firm oligopoly. We then study extensions to multiple customer types, uncertain valuations, and differentiated products.
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