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Macroscopic Stochastic Model for Economic Cycle Dynamics.

Sören Nagel1, Jobst Heitzig2, Eckehard Schöll3

  • 1Potsdam Institute for Climate Impact Research, Zuse Institute Berlin, Takustrasse 7, 14195 Berlin, Germany and , PO Box 60 12 03, 14412 Potsdam, Germany.

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Summary
This summary is machine-generated.

This study introduces a dynamic economic model explaining cycles. It reveals how wealth inequality drives economic shocks and influences business cycle oscillations through stochastic fluctuations.

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Area of Science:

  • Economics
  • Economic Modeling
  • Dynamical Systems

Background:

  • Economic cycles are complex phenomena.
  • Understanding the drivers of economic fluctuations is crucial.
  • Existing models may not fully capture the impact of wealth distribution.

Purpose of the Study:

  • To present a stochastic dynamic model for economic cycles.
  • To investigate the role of wealth inequality in economic dynamics.
  • To explain the mechanisms behind business cycle oscillations.

Main Methods:

  • Development of a stochastic dynamic model.
  • Analysis of a complex dynamical landscape with multiple stable fixed points.
  • Modeling of stochastic fluctuations inducing metastable state switching.

Main Results:

  • The model demonstrates a complex economic landscape with distinct income groups.
  • Stochastic fluctuations, driven by a few influential agents, cause economic shocks.
  • Economic output growth is affected by fluctuations, leading to coherence resonance in business cycles.

Conclusions:

  • Wealth inequality is a key driver of economic instability and cycles.
  • Stochastic fluctuations and agent decisions significantly impact economic outcomes.
  • The model provides insights into business cycle generation and coherence resonance.