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

Table 1

Initial risk system of the sewage treatment PPPABS projects.

First-level risk factors	Second-level risk factors	References
Factor 1: macrorisks
1	Interest risk	Farooquee [8]
2	Law risk	Austin et al. [10]
3	Inflation risk	Lyons and Martin [15]
4	Political risk	Liu et al. [13]
Factor 2: basic asset risks
5	Quality risk	Liang [11]
6	Unsold risk	Hou [12]
7	Cash flow prediction deviation risk	Hou [12]
Factor 3: transaction structure risks
8	Bankruptcy isolation risk	Liu and Shao [14]
9	Transaction structure rationality risk	Austin et al. [10]
10	Prepayment risk	Liu et al. [13]
11	SPV bankruptcy risk	Hou [12]
Factor 4: operational risks
12	Underwriting and issue risk	Lyons and Martin [15]
13	Service provider risk	Hou [12]
14	Trustee risk	Farooquee [8]
Factor 5: other risks
15	Government contract fulfillment risk	Liu et al. [13]
16	Ethical risk	Hou [12]
17	Credit enhancement	Lu et al. [9]
18	Credit rating risk	Hou [12]