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Asset price dynamics in a financial market with fundamentalists and chartists


  • Carl Chairella


  • Roberto Dieci


  • Laura Gardini



In this paper we consider a model of the dynamics of speculative markets involving the interaction of fundamentalists and chartists. The dynamics of the model are driven by a two-dimensional map that in the space of the parameters displays regions of invertibility and noninvertibility. The paper focuses on a study of local and global bifurcations which drastically change the qualitative structure of the basins of attraction of several, often coexistent, attracting sets. We make use of the theory of critical curves associated with noninvertible maps, as well as of homoclinic bifurcations and homoclinic orbits of saddles in regimes of invertibility.

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  • Carl Chairella & Roberto Dieci & Laura Gardini, 2001. "Asset price dynamics in a financial market with fundamentalists and chartists," Discrete Dynamics in Nature and Society, Hindawi, vol. 6, pages 1-31, January.
  • Handle: RePEc:hin:jnddns:528706
    DOI: 10.1155/S1026022601000103

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