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DEA cross-projection method and the correction of the cross-improvement targets

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  • Ma, Zhanxin
  • Yin, Jie

Abstract

The DEA cross-projection method effectively enhances the objectivity and feasibility of improvement targets by introducing a mutual evaluation system. However, existing methods have not fully addressed the projection points that may exceed the production possibility set. Additionally, improvement targets derived from cross-weights may lack rationality and objectivity, posing a risk of deviating from group consensus. To address these concerns, this paper proposes a novel DEA cross-projection method to rectify the feasibility issues in the original approach. Secondly, this paper presents a cross-improvement target setting method based on group consensus by increasing the collective consensus degree in determining cross-weights. Finally, the proposed method was applied to analyze the energy utilization efficiency of Chinese steel enterprises in 2020. The results indicate that the DEA cross-projection method presented in this paper not only resolves the issue of projection points potentially exceeding the production possibility set but also offers more rational improvement strategies than existing DEA cross-projections by considering weight consensus.

Suggested Citation

  • Ma, Zhanxin & Yin, Jie, 2026. "DEA cross-projection method and the correction of the cross-improvement targets," Omega, Elsevier, vol. 142(C).
    • Handle: RePEc:eee:jomega:v:142:y:2026:i:c:s0305048326000204
    DOI: 10.1016/j.omega.2026.103531
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