Table 5 Combined positive and negative ideal solutions.

From: Development of carbon finance in China based on the hybrid MCDM method

\(M_{8 \times 2}\)

\(- SDR^ +\)

\(SDR^ -\)

Guangdong

0.183775

0.299926

Chongqing

0.339872

0.126366

Hubei

0.280339

0.198374

Fujian

0.313406

0.173312

Tianjin

0.30154

0.169926

Shanghai

0.239041

0.229161

Beijing

0.186826

0.316085

Shenzhen

0.229648

0.252822

  1. The attribute of the values in the first column is negative, while the attribute of the values in the second column is positive.
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