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Forecasts and Analysis of Economic Outputs for Chinese High-Tech Industries: Insights from Spatial–Temporal Information Fusion

Author

Listed:
  • Song Ding

    (Zhejiang Institute of “Eight-Eight” Strategies
    Zhejiang University of Finance and Economics, China Research Institute of Regulation and Public Policy
    Zhejiang University of Finance and Economics, School of Economics)

  • Yi Wang

    (Zhejiang University of Finance and Economics, Zhejiang Research Institute of ZUFE-UCASS)

  • Xingao Shen

    (Zhejiang University of Finance and Economics, School of Economics)

Abstract

Effectively leveraging the extracted information from both spatial and temporal dimensions is conducive to producing accurate forecasts, especially as existing grey models are highly dependent on the temporal trends of the correlated variables and ignore the influence of dynamic spatial associations in adjacent regions. Therefore, this paper designs a novel comprehensive spatial index to measure the spatial proximity effect by improving and combining the two modules of geographical and economic distance coefficients. Subsequently, an advanced grey multivariable convolution model that embeds spatial and temporal connections is proposed to forecast economic outputs for Zhejiang, Shanghai, and Anhui province’s high-tech industries. Moreover, the Particle Swarm Optimization (PSO) algorithm is employed to support the determination of the optimal weight parameters existing in the dynamic spatial and temporal relationships across neighboring regions. The experimental results illustrate that the proposed technique outperforms a range of baseline competitors regarding MAPE, RMSE, and Improvement Rate (IR) with several forecasting horizons. Specifically, the proposed model exbibit average IR of 5.22%, 0.77%, 1.16%, 7.75%, 3.60%, 3.58%, and 5.74% over the GMC(1, 3), SPDGM(1, 3, 3), DGM(1, 3), GM(1, 1), BPNN, SVR, and ARIMA models, respectively. Furthermore, the systematic test method further confirms the effectiveness and robustness of the model, rendering it an effective tool for forecasting high-tech industry output. Consequently, this study further forecasts the future outputs of high-tech industries in Zhejiang province from 2023 to 2027 and offers policy recommendations based on these findings.

Suggested Citation

  • Song Ding & Yi Wang & Xingao Shen, 2025. "Forecasts and Analysis of Economic Outputs for Chinese High-Tech Industries: Insights from Spatial–Temporal Information Fusion," Computational Economics, Springer;Society for Computational Economics, vol. 66(6), pages 5207-5255, December.
    • Handle: RePEc:kap:compec:v:66:y:2025:i:6:d:10.1007_s10614-025-10875-7
    DOI: 10.1007/s10614-025-10875-7
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    References listed on IDEAS

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