Polterovich, Victor and Henkin, Gennadi
(1998):
*A Difference-differential Analogue of the Burgers Equation and Some Models of Economic Development.*

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## Abstract

The paper is devoted to investigation of a number of difference-differential equations, among them the following one plays the central role: dFn/dt<=φ(Fn)(Fn-1 - Fn) (*) where, for every t, {Fn(t), n = 0, 1, 2, ...} is a probability distribution function, and φ is a positive function on [0, 1]. The equation (*) arose as a description of industrial economic development taking into account processes of creation and propagation of new technologies. The paper contains a survey of the earlier received results including a multy-dimensional generalization and an application to the economic growth theory.

If φ is decreasing then solutions of the Cauchy problem for (*) approach to a family of wave-trains. We show that diffusion-wise asymptotic behavior takes place if φ is increasing. For the nonmonotonic case a general hypothesis about asymptotic behavior is formulated and an analogue of a Weinberger's (1990) theorem is proved. It is argued that the equation can be considered as an analogue of Burgers equation.

Item Type: | MPRA Paper |
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Original Title: | A Difference-differential Analogue of the Burgers Equation and Some Models of Economic Development |

Language: | English |

Keywords: | difference-differential equations; Burgers equations; non-linear diffusion; long-time asymptotic of Cauchy problem; evolution of industries; economic growth; innovation and imitation processes |

Subjects: | O - Economic Development, Innovation, Technological Change, and Growth > O4 - Economic Growth and Aggregate Productivity > O41 - One, Two, and Multisector Growth Models O - Economic Development, Innovation, Technological Change, and Growth > O3 - Innovation ; Research and Development ; Technological Change ; Intellectual Property Rights > O33 - Technological Change: Choices and Consequences ; Diffusion Processes |

Item ID: | 21031 |

Depositing User: | Victor Polterovich |

Date Deposited: | 04 Mar 2010 03:22 |

Last Modified: | 28 Sep 2019 12:01 |

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URI: | https://mpra.ub.uni-muenchen.de/id/eprint/21031 |