Research Article

Research on the Audit Prediction Model of “Special Bonds + PPP” Project based on Machine Learning

Table 1

The whole-process tracking audit evaluation index system of “Special bonds + PPP.”

Primary indicatorsSecondary indicatorsTertiary indicators

Preliminary project decision stage (A1)Legitimacy of project identification process (B1)Legitimacy of project initiation and screening procedures (C1)
Completeness of procedures and documents (C2)
Rationality of investment estimation decision (B2)Approval process compliance (C3)
Openness and transparency of the evaluation process (C4)
Correctness of preparation basis (C5)
Rationality of estimation accuracy (C6)
Feasibility of preliminary implementation plan (B3)Correctness of scheme preparation basis (C7)
Accuracy of terms and duration of franchise contract (C8)
Rationality of cooperation mode selection (C9)
Legality of commercial contract (C10)
Rationality of investment return mechanism (C11)
Accuracy of value for money reporting (B4)Integrity report of value for money (C12)
Pertinence of qualitative analysis content (C13)
Accuracy of quantitative calculation (C14)
Accuracy of annual discount rate determination (C15)
Demonstration of financial affordability (B5)Integrity of demonstration report (C16)
Accuracy of calculation (C17)
Identification of financial expenditure responsibility (C18)
Rationality of risk sharing (B6)Rationality of risk balance allocation (C19)
Effectiveness of the combination of government resources and social capital (C20)
Whether excessively access to government support (C21)
Compliance of procurement procedures (B7)Completeness of procurement documents (C22)
Transparency of information (C23)
Standardization of response document review (C24)
Compliance of contract signing (C25)
Compliance of special bonds application (B8)Completeness degree of application procedures (C26)
Integrity of budgeting (C27)
Accuracy of bonds accounting (C28)
Solvency of special income (B9)Self-balancing ability of project revenue (C29)
Accuracy of solvency analysis (C30)

Mid-term supervision and management stage (A2)The performance of government supervision functions (B10)Adequacy of supervision by relevant departments (C31)
Status of special bonds fund supervision(C32)
Familiarity degree of relevant personnel with special bonds policies and regulations (C33)
Rationality of project financing (B11)Rationality of financing structure (C34)
Economy of financing scheme (C35)
Accuracy of calculation results (C36)
Rationality of special bonds use (B12)Idle rate of special bonds funds (C37)
Connection between special funds and project schedule (C38)
Matching degree of project income period and bonds term (C39)
Transparency of special fund information (C40)
Legality of construction procedures (B13)Rationality of project planning decision (C41)
Completeness of relevant construction procedures (C42)
Performance degree of the project company (B14)Implementation of cooperation agreement (C43)
Management of quality safety and schedule (C44)
Reduction rate of engineering cost (C45)
Mid-term performance assessment quality (B15)Rationality of performance system (C46)
Rationality of the calculation of the incentive effect of the scheme (C47)
Payment status of project completion (B16)Rationality of settlement price (C48)
Rationality of completion settlement preparation (C49)
Rationality of preparation of completion final accounts (C50)
Status of government feasibility gap subsidy (B17)Rationality of stipulated pricing and subsidies (C51)
Correctness of subsidy fund calculation (C52)
Situation of finance and operation (B18)Authenticity and validity of account books and accounting statements (C53)
Transparency of project operation (C54)
Rationality of user charges (C55)

Later handover evaluation stage (A3)Standardization of project handover (B19)Compliance of transfer procedures (C56)
Integrity of handover content (C57)
Realization rate of handover standard (C58)
Economy of transfer subsidy amount (B20)Legality of asset appraisal procedures (C59)
Rationality of asset appraisal scheme (C60)
Effectiveness of performance test (B21)Standardization of performance test procedures (C61)
Rationality of performance test scheme (C62)
Repayment degree of principal and interest of special bonds (B22)Repayment rate of principal and interest (C63)
Coverage rate of special income repayment (C64)
Rationality of final performance evaluation (B23)Whether to provide efficient public goods or services (C65)
Public satisfaction (C66)
Environmental impact rate (C67)
Reduction rate of project investment (C68)