Table 12.

Private investor attractiveness index calculation.

Factor	Subfactor	Weight	Experts' evaluation points		Weighted points
			Moc Nam	Liem Son	Moc Nam	Liem Son
	(1)	(2)	(3)	(4)	(5) = (3) × (2)	(6) = (4) × (2)
Preferential Government Policies C1	Tax incentive polices	0.06	8.34	8.24	0.50	0.49
	Land incentive policies	0.05	7.43	7.43	0.37	0.37
	Policies to support access to preferential loans and credit	0.08	8.27	5.98	0.66	0.48
	Policies to support the transfer and application of science and technology	0.02	7.87	7.97	0.16	0.16
	Experience in participating in rural water supply projects	0.03	7.65	5.23	0.23	0.16
	Finance of the enterprise	0.05	8.19	4.33	0.41	0.22
Profit, Mechanism of Capital Contribution and Risk-sharing between the Government and Enterprises C2	Profit of the project	0.05	7.74	6.51	0.39	0.33
	State capital contribution mechanism	0.04	8.16	8.13	0.33	0.33
	State risk-sharing mechanism	0.07	5.03	5.01	0.35	0.35
	Mechanism to adjust water price	0.09	5.06	5.05	0.46	0.45
	Water price	0.03	5.33	5.15	0.16	0.15
	Administrative procedures	0.02	4.96	4.93	0.10	0.10
Location of the Construction Site C3	Population in the surrounding areas	0.05	8.21	5.71	0.41	0.29
	Economic characteristics of the locality	0.02	8.04	5.83	0.16	0.12
	Local cultural features	0.02	7.63	6.83	0.15	0.14
	Community support	0.08	6.73	3.11	0.54	0.25
	High demand for clean water of community	0.08	8.36	8.14	0.67	0.65
Engineering and Technology C4	Availability of project's water sources	0.04	9.21	7.53	0.37	0.30
	The complexity of the project	0.03	7.4	4.26	0.22	0.13
	Quality of the works	0.04	7.11	7.51	0.28	0.30
	Input water quality	0.06	7.62	4.43	0.46	0.27
Private investor attractiveness index					7.37	6.02