Multidimensional and Interactive Assessment Model of Large-Scale Infrastructure Project and Its Demonstration Based on Double Utility

Table 9

The calculation of Project A’s classification and overall risk combination utility.

Destination layer	System layer			Index layer
	Classification risk index	Weight	Utility	Risk index	Weight	Utility
The overall risk utility of Project A	Technology risk	0.12		Design mistakes (R11)	0.64
				Wrong construction procedure (R12)	0.24
				Improper maintenance or updates (R13)	0.12
	Economic risk	0.20		Cost rising (R21)	0.53
				Market demand reduction (R22)	0.31
				Financing difficulties (R23)	0.16
	Social risk	0.19		Government regulation change (R31)	0.57
				Popular opposition (R32)	0.32
				Social security incident (R33)	0.11
	Natural risk	0.08		Major natural disasters (R41)	0.88
				Bad weather (R42)	0.12
	Management risk	0.32		Insufficient feasibility study (R51)	0.67
				Decision-making mistakes (R52)	0.33
	Law risk	0.09		Main body violation (R61)	0.75
				Main body default (R62)	0.25