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Assessment of Rough Set Theory in Relation to Risks Regarding Hydraulic Engineering Investment Decisions

Author

Listed:
  • Jihong Qu

    (College of Geosciences and Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450046, China)

  • Xiao Bai

    (School of Finance, Zhejiang University of Finance and Economics, Hangzhou 310018, China)

  • Jiajun Gu

    (Hangzhou College of Commerce, Zhejiang Gongshang University, Hangzhou 310018, China)

  • Farhad Taghizadeh-Hesary

    (Social Science Research Institute, Tokai University, Hiratsuka-shi 259-1292, Kanagawa-ken, Japan)

  • Ji Lin

    (School of Finance, Zhejiang University of Finance and Economics, Hangzhou 310018, China)

Abstract

Rough set theory is a mathematics tool specifying imperfection and uncertainty. Based on the knowledge theory of the rough set, the numerical values of some features or attributes are not required. Through data reduction, this article analyzes the investment decision of hydraulic engineering and obtains the following by reduction: i. when the construction expense of the hydraulic engineering is low, but the financial income is high, the investment in the construction project can be selected; ii. when the expense of the hydraulic construction project is low and the external influence is common or the financial expense is common, if the external influence is low or the financial income is high, the investment can be delayed; iii. when the construction strategic benefit of the hydraulic engineering is low, the decision rule of no investment can be selected. The novel findings discovered by this article have provided scientific information regarding investment decisions of hydraulic engineering.

Suggested Citation

  • Jihong Qu & Xiao Bai & Jiajun Gu & Farhad Taghizadeh-Hesary & Ji Lin, 2020. "Assessment of Rough Set Theory in Relation to Risks Regarding Hydraulic Engineering Investment Decisions," Mathematics, MDPI, vol. 8(8), pages 1-9, August.
    • Handle: RePEc:gam:jmathe:v:8:y:2020:i:8:p:1308-:d:395579
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    References listed on IDEAS

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    2. Greco, Salvatore & Matarazzo, Benedetto & Slowinski, Roman, 2001. "Rough sets theory for multicriteria decision analysis," European Journal of Operational Research, Elsevier, vol. 129(1), pages 1-47, February.
    3. Lu, Shibao & Bai, Xiao & Li, Wei & Wang, Ning, 2019. "Impacts of climate change on water resources and grain production," Technological Forecasting and Social Change, Elsevier, vol. 143(C), pages 76-84.
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