Stochastic, fuzzy, hybrid delayed dynamics heterogeneous competitions with product differentiation

  • Authors:
  • Mihaela Neamţu;Marilen Pirtea;Gabriela Mircea;Dumitru Opriş

  • Affiliations:
  • West University of Timişoara, Department of Economic Informatics and Statistics, Timişoara, Romania;West University of Timişoara, Department of Finance, Timişoara, Romania;West University of Timişoara, Department of Economic Informatics and Statistics, Timişoara, Romania;West University of Timişoara, Department of Mathematics, Timişoara, Romania

  • Venue:
  • WSEAS Transactions on Mathematics
  • Year:
  • 2010

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Abstract

In this paper, we study the heterogeneous duopoly with product differentiation, in which one firm is quantity setter and the other is price setter. The deterministic and stochastic models with delay are presented and fuzzy and hybrid models, as well. For the stochastic disturbance model with delay, sufficient conditions are done so that the steady state is asymptotically stable in mean and in mean square. Using programs in Maple 13 we make some numerical simulations that verify the theoretical results.