Hotelling-Bertrand Duopoly Competition Under Firm-Specific Network Effects PDF Download
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Author: Marco Tolotti
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
When dealing with consumer choices, social pressure plays a crucial role; also in the context of market competition, the impact of network/social effects has been largely recognized. However, the effects of firm-specific social recognition on market equilibria has never been addressed so far. In this paper, we consider a duopoly where competing firms are differentiated solely by the level of social (or network) externality they induce on consumers' perceived utility. We fully characterize the subgame perfect Nash equilibria in locations, prices and market shares. Under a scenario of weak social externality, the firms opt for maximal differentiation and the one with the highest social recognition has a relative advantage in terms of profits. Surprisingly, this outcome is not persistent; excessive social recognition may lead to adverse coordination of consumers: the strongest firm can eventually be thrown out of the market with positive probability. This scenario is related to a Pareto inefficient trap of no differentiation.
Author: Marco Tolotti
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
When dealing with consumer choices, social pressure plays a crucial role; also in the context of market competition, the impact of network/social effects has been largely recognized. However, the effects of firm-specific social recognition on market equilibria has never been addressed so far. In this paper, we consider a duopoly where competing firms are differentiated solely by the level of social (or network) externality they induce on consumers' perceived utility. We fully characterize the subgame perfect Nash equilibria in locations, prices and market shares. Under a scenario of weak social externality, the firms opt for maximal differentiation and the one with the highest social recognition has a relative advantage in terms of profits. Surprisingly, this outcome is not persistent; excessive social recognition may lead to adverse coordination of consumers: the strongest firm can eventually be thrown out of the market with positive probability. This scenario is related to a Pareto inefficient trap of no differentiation.
Author: Irina Suleymanova
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Ningyuan Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
We consider two firms selling products to a market of network-connected customers. Each firm is selling one product and the two products are substitutable. The customers make purchases based on the multinomial logit model and the firms compete for their purchasing probabilities. We characterize possible Nash equilibria for homogeneous network interactions and identical firms: when the network effects are weak, there is a symmetric equilibrium that the two firms evenly split the market; when the network effects are strong, there exist two asymmetric equilibria additionally, in which one firm dominates the market; interestingly, when the product quality is low and the network effects are neither too weak nor too strong, the resulting market equilibrium is never symmetric although the firms are ex ante symmetric. We extend these results along multiple directions. First, when the products have heterogeneous qualities, the firm selling inferior product can still retain market dominance in equilibrium due to the strong network effects. Second, when the network effects are heterogeneous, customers with higher social influences or larger price sensitivities are more likely to purchase either product in the symmetric equilibrium. Third, when the network consists of two communities, market segmentation may arise. Fourth, we extend to the dynamic game when the network effects build up over time to explain the first-mover advantage.
Author: Lijia Ge
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
In this paper, we formulate a differential game model to investigate firms' competition in both price and product R&D. The significant features of our research include: (i) incorporating the factor of network effects into the framework of continuous dynamic competition; (ii) considering the consumers' adaptive learning about the network size in the spirit of behavioral economics. Our analysis mainly suggests: (i) The network effects and consumers' adaptive learning comprehensively have negative effects on the result of price competition but has nothing to do with the result of R&D competition under duopoly, which is not true as the number of firms increases; (ii) the incentive to acquire competitors' state information is increasing with the intensity of network effects and the consumers' learning speed; (iii) when we consider the competition among more than three firms under feedback information structure, the competition intensity has negative effect on the steady-state quality stock; (iv) in a market where the consumers show strong price sensitivity, the product quality is under-provided compared with the first-best optimal level regardless of the choice of solution concept.
Author: Paul Belleflamme
Publisher: Cambridge University Press
ISBN: 1139485245
Category : Business & Economics
Languages : en
Pages : 725
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Book Description
Industrial Organization: Markets and Strategies provides an up-to-date account of modern industrial organization that blends theory with real-world applications. Written in a clear and accessible style, it acquaints the reader with the most important models for understanding strategies chosen by firms with market power and shows how such firms adapt to different market environments. It covers a wide range of topics including recent developments on product bundling, branding strategies, restrictions in vertical supply relationships, intellectual property protection, and two-sided markets, to name just a few. Models are presented in detail and the main results are summarized as lessons. Formal theory is complemented throughout by real-world cases that show students how it applies to actual organizational settings. The book is accompanied by a website containing a number of additional resources for lecturers and students, including exercises, answers to review questions, case material and slides.
Author: Simon P. Anderson
Publisher: MIT Press
ISBN: 9780262011280
Category : Business & Economics
Languages : en
Pages : 454
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Book Description
"The discrete choice approach provides an ideal framework for describing the demands for differentiated products and can be used for studying most product differentiation models in the literature. By introducing extra dimensions of product heterogeneity, the framework also provides richer models of firm location and product selection."--BOOK JACKET.
Author: Richard Schmalensee
Publisher: North Holland
ISBN:
Category : Business & Economics
Languages : en
Pages : 1002
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Book Description
Determinants of firm and market organization; Analysis of market behavior; Empirical methods and results; International issues and comparision; government intervention in the Marketplace.
Author: Xavier Vives
Publisher: MIT Press (MA)
ISBN: 9780262220606
Category : Business & Economics
Languages : en
Pages : 446
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Book Description
Applies a modern game-theoretic approach to develop a theory of oligopoly pricing. The text relates classic contributions to the field of modern game theory and discusses basic game-theoretic tools and equilibrium, paying particular attention to developments in the theory of supermodular games.
Author: Peter Davis
Publisher: Princeton University Press
ISBN: 1400831865
Category : Business & Economics
Languages : en
Pages : 1185
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Book Description
This book combines practical guidance and theoretical background for analysts using empirical techniques in competition and antitrust investigations. Peter Davis and Eliana Garcés show how to integrate empirical methods, economic theory, and broad evidence about industry in order to provide high-quality, robust empirical work that is tailored to the nature and quality of data available and that can withstand expert and judicial scrutiny. Davis and Garcés describe the toolbox of empirical techniques currently available, explain how to establish the weight of pieces of empirical work, and make some new theoretical contributions. The book consistently evaluates empirical techniques in light of the challenge faced by competition analysts and academics--to provide evidence that can stand up to the review of experts and judges. The book's integrated approach will help analysts clarify the assumptions underlying pieces of empirical work, evaluate those assumptions in light of industry knowledge, and guide future work aimed at understanding whether the assumptions are valid. Throughout, Davis and Garcés work to expand the common ground between practitioners and academics.
Author: Mr.Giovanni Dell'Ariccia
Publisher: International Monetary Fund
ISBN: 145195154X
Category : Business & Economics
Languages : en
Pages : 32
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Book Description
The paper analyzes the effects of informational asymmetries on the market structure of the banking industry in a multi-period model of spatial competition. All lenders face uncertainty with regard to borrowers’ creditworthiness, but, in the process of lending, incumbent banks gather proprietary information about their clients, acquiring an advantage over potential entrants. These informational asymmetries are an important determinant of the industry structure and may represent a barrier to entry for new banks. The paper shows that, in contrast with traditional models of horizontal differentiation, the steady-state equilibrium is characterized by a finite number of banks even in the absence of fixed costs.
