A novel structure time-delay multivariable discrete grey prediction model and its application in input-output analysis

Zhicheng Jiang, Wenjing Li and Bo Zeng

Mathematics and Computers in Simulation (MATCOM), 2026, vol. 239, issue C, 572-589

Abstract: The asynchrony of input and output determines the universality of the time-delay relationship between dependent and independent variables. To analyze the time-delay relationship among variables objectively, a novel structure time-delay multivariable discrete grey prediction model is proposed in this paper. The new model overcomes the assumption that the delay coefficient decreases geometrically and provides a more objective representation of the time-delay relationships. The calculation process of the model is simplified and has significant performance advantages. This study contributes positively to enriching and improving the methodological system of grey prediction models and provides an effective modeling approach for addressing input-output systems.

Keywords: Grey prediction model; Time-delay cumulative effect; Model structure optimization; Input-output analysis (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:239:y:2026:i:c:p:572-589

DOI: 10.1016/j.matcom.2025.06.022

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