経済研究所

【経済研】『ディスカッションペーパー』No.424 (村上弘毅研究員『Stochastic perturbations of limit cycles in nonlinear business cycle models: Kaldor's theory revisited』)を発行しました

2026年4月17日に発行された『ディスカッションペーパー』No.424を学術リポジトリで全文公開いたしました。

論文名:Stochastic perturbations of limit cycles in nonlinear business cycle models: Kaldor's theory revisited

執筆者:村上 弘毅研究員(中央大学経済学部)

キーワード:Kaldor's theoryLimit cycleNonlinearityStochastic perturbation

要 旨:

 This paper introduces and validates a new approximation method for stochastic perturbations of limit cycles, taking up Kaldor's nonlinear theory of business cycles. This method provides explicit formulas for approximating solutions and probability distributions in stochastic business cycle models. The performance of these formulas is verified through numerical analysis, and time series analysis is used to fit the model to the data. This study attempts to pave the way for synthesizing the ''exogenous'' and ''endogenous'' approaches to business cycles.

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