English, Article, Journal or magazine article edition: Competing for Contacts: Network Competition, Trade Intermediation and Fragmented Duopoly Dimitra Petropoulou

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Bookmark: http://trove.nla.gov.au/version/20731
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Competing for Contacts: Network Competition, Trade Intermediation and Fragmented Duopoly
Author
  • Dimitra Petropoulou
Physical Description
  • preprint
Notes
  • RePEc:oxf:wpaper:371
  • A two-sided, pair-wise matching model is developed to analyse the strategic interaction between two information intermediaries who compete in commission rates and network size, giving rise to a fragmented duopoly market structure. The model suggests that network competition between information intermediaries has a distinctive market structure, where intermediaries are monopolistic service providers to some contacts but duopolists over contacts they share in their network overlap. the intermediaries' inability to price discriminate between the competitive and non-competitive market segments, gives rise to an undercutting game, which has no pure strategy Nash equilibrium. The incentive to randomise commission rates yields a mixed strategy Nash equilibrium. Finally, competition is affected by the technology of network development. The analysis shows that either a monopoly or a fragmented duopoly can prevail in equilibrium, depending on the network-building technology. Under convexity assumptions, both intermediaries invest in a network and compete over common matches, while randomising commission rates. In contrast, linear network development costs can only give rise to a monopolistic outcome.
  • International Trade, Pairwise Matching, Information Cost, Intermediation, Networks
  • RePEc:cep:cepdps:dp0854
Language
  • English
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