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Hálózati struktúra és nem teljes információ egy monopolisztikus versenyre épülő modellben
[Network structure and incomplete information in a model of monopolistic competition]

Author

Listed:
  • Sebestyén, Tamás
  • Longauer, Dóra

Abstract

A tanulmányban egy olyan modellt ismertetünk, amelyben a piaci szereplők nem teljes informáltságát hálózati megközelítéssel modellezzük. Ennek érdekében egy monopolisztikus versenyen alapuló, egyszerű makromodellbe vezetjük be a piaci hálózatot, majd ennek segítségével elemezzük a hálózati struktúra és az aggregált teljesítmény összefüggését. Azt találjuk, hogy a hálózat nemteljessége jóléti veszteséget okoz azáltal, hogy felerősíti a szereplők monopolerejét, ám ezt részben ellensúlyozhatja a szereplők heterogén termelékenysége, amennyiben a magasabb termelékenységű szereplők a centrálisabbak a hálózatban. Általánosságban az látszik, hogy a hálózat tökéletlensége erősíti a piac monopolisztikus és gyengíti annak versenyző jellegét, vagyis a monopolpiac irányába tolja el a piaci struktúrát.* Journal of Economic Literature (JEL) kód: D43, D52, L13, L14.

Suggested Citation

  • Sebestyén, Tamás & Longauer, Dóra, 2019. "Hálózati struktúra és nem teljes információ egy monopolisztikus versenyre épülő modellben [Network structure and incomplete information in a model of monopolistic competition]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(12), pages 1257-1283.
    • Handle: RePEc:ksa:szemle:1877
    DOI: 10.18414/KSZ.2019.12.1257
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation

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