Describing the Dynamics and Complexity of Matsumoto-Nonaka's Duopoly Model

Jose S. Cánovas and María Muñoz Guillermo

Abstract and Applied Analysis, 2013, vol. 2013, 1-18

Abstract:

We study the duopoly model proposed by Matsumoto and Nonaka (2006), in which two firms produce two complementary goods, and there are externalities of different signs. We analyze the topological complexity of the model by computing its topological entropy with prescribed accuracy, and, in addition, we show when such topological complexity is physically observable by characterizing the attractors. Finally, we exploit the fact that reaction maps have negative Schwarzian derivative to show the existence of absolutely continuous (with respect to Lebesgue measure) ergodic measures, and, as an economic application, we compute the average profit for almost all initial conditions.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:747868

DOI: 10.1155/2013/747868

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