Price and Time Competition for Service Delivery
Manufacturing & Service Operations Management
Customer Service Competition in Capacitated Systems
Manufacturing & Service Operations Management
Competition and Outsourcing with Scale Economies
Management Science
Selfish Routing and the Price of Anarchy
Selfish Routing and the Price of Anarchy
Theory, Volume 1, Queueing Systems
Theory, Volume 1, Queueing Systems
Competition and Efficiency in Congested Markets
Mathematics of Operations Research
Competition in Service Industries
Operations Research
Price competition with elastic traffic
Networks - Games, Interdiction, and Human Interaction Problems on Networks
Service Competition with General Queueing Facilities
Operations Research
Queueing game models for differentiated services
GameNets'09 Proceedings of the First ICST international conference on Game Theory for Networks
Pricing with markups under horizontal and vertical competition
Proceedings of the Behavioral and Quantitative Game Theory: Conference on Future Directions
Technological investment games among wireless telecommunications service providers
International Journal of Network Management
Interplay between security providers, consumers, and attackers: a weighted congestion game approach
GameSec'11 Proceedings of the Second international conference on Decision and Game Theory for Security
Entry and spectrum sharing scheme selection in femtocell communications markets
IEEE/ACM Transactions on Networking (TON)
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We analyze investment incentives and market structure under oligopoly competition in industries with congestion effects. Our results are particularly focused on models inspired by modern technology-based services such as telecommunications and computing services. We consider situations where firms compete by simultaneously choosing prices and investments; increasing investment reduces the congestion disutility experienced by consumers. We define a notion of returns to investment, according to which congestion models inspired by delay exhibit increasing returns, whereas loss models exhibit nonincreasing returns. For a broad range of models with nonincreasing returns to investment, we characterize and establish uniqueness of pure-strategy Nash equilibrium. We also provide conditions for existence of pure-strategy Nash equilibrium. We extend our analysis to a model in which firms must additionally decide whether to enter the industry. Our theoretical results contribute to the basic understanding of competition in service industries and yield insight into business and policy considerations.