Research Article

Risk Evaluation of Sewage Treatment PPPABS Projects Using Combination Weight Method and D-S Evidence Theory

Table 7

The basic belief degree, Θ, and discount rate.

First-level risk factorsWeightSecond-level risk factorsCombined weightBasic belief degreeΘ

0.25340.04100.20.20.20.10.20.10.7878
0.04700.10.20.30.10.300.7567
0.16540.10.30.30.20.100.1439

0.12490.04340.20.10.30.20.20.10.7754
0.03270.20.30.20.10.200.8307
0.02590.10.10.30.30.20.10.8659
0.02290.10.10.20.30.400.8815

0.18670.12590.00.20.20.30.200.3483
0.01650.20.40.20.10.100.91460
0.04430.10.20.300.20.20.7707

0.13520.05810.10.20.30.10.300.6993
0.03590.20.20.20.20.10.10.8142
0.041300.10.40.30.200.7862

0.29980.19320.30.20.10.20.10.10
0.03440.10.10.20.50.10.10.8219
0.02850.20.10.30.10.300.8525
0.043800.10.30.40.200.7733