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Investment Risk Assessment and Countermeasure Strategies for Highway PPP Projects in Western China: A Dynamic Risk Accumulation Modeling Approach

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  • Mengzhuo Li

    (School of Architectural Engineering, Xinjiang University, Urumqi 830017, China)

  • Xincheng Wu

    (Xinjiang Transportation Construction Group Co., Urumuqi 830011, China)

  • Xiying Yue

    (Xinjiang Transportation Construction Group Co., Urumuqi 830011, China)

  • Xiaomin Dai

    (School of Transportation Engineering, Xinjiang University, Urumqi 830017, China
    Xinjiang Key Laboratory of Green Construction and Maintenance of Transportation Infrastructure and Intelligent Traffic Control, Urumqi 830017, China)

Abstract

This study develops a dynamic risk modeling approach incorporating stock-and-flow structures to comprehensively evaluate the investment risks of highway PPP projects in Western China, aiming to promote sustainable infrastructure development. Through establishing a risk accumulation model with scenario simulation and sensitivity analysis, this study systematically examines the risk factors and their propagation pathways in Western China’s highway PPP projects. The research demonstrates the dynamic complexity of project risks, particularly highlighting the prominence of operation, maintenance, and government risks. Sensitivity analysis identifies five critical risk factors: financial support adequacy, public health contingencies, legal/regulatory robustness, inflation volatility, and project uniqueness. The study proposes targeted risk management strategies emphasizing the establishment of early-warning systems and emergency response plans for critical risks. Methodologically, this research advances infrastructure risk assessment by adapting stock-and-flow modeling conventions for threshold-driven risk screening, particularly suited to underdeveloped regions like Western China. The developed rapid risk determination tool provides practical decision support for stakeholders in similar socio-economic contexts.

Suggested Citation

  • Mengzhuo Li & Xincheng Wu & Xiying Yue & Xiaomin Dai, 2025. "Investment Risk Assessment and Countermeasure Strategies for Highway PPP Projects in Western China: A Dynamic Risk Accumulation Modeling Approach," Sustainability, MDPI, vol. 17(9), pages 1-28, May.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:9:p:4200-:d:1650210
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    References listed on IDEAS

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    4. Jianwang Wang & Lan Luo & Rina Sa & Wei Zhou & Zihan Yu, 2023. "A Quantitative Analysis of Decision-Making Risk Factors for Mega Infrastructure Projects in China," Sustainability, MDPI, vol. 15(21), pages 1-25, October.
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    Cited by:

    1. Yongchao Zou & Jinlong Xiao & Hao Zhang & Yanyi Chen & Yao Liu & Bozhong Zhou & Yunpeng Li, 2025. "Multi-Stakeholder Risk Assessment of a Waterway Engineering Project During the Decision-Making Stage from the Perspective of Sustainability," Sustainability, MDPI, vol. 17(12), pages 1-33, June.

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