Efficiency Advantages and Incentive Mechanism of PPPs: A Qualitative Comparative Analysis under the Chinese Scenario

Table 2

Sample background information.

Types	Classification	Sample scale	Percentage
Subject attributes	Public sector	16	19.5
	Private sector	20	24.4
	Consulting agencies	12	14.6
	Research institutes	26	31.7
	Financial institutions	8	9.8
Years of service	Less than 1 year	3	3.7
	1 to 3 years	29	35.4
	4 to 6 years	9	11.0
	7 to 9 years	7	8.5
	10 years and above	34	41.5
Subject’s type of project	Transportation project	33	40.2
	Municipal related	36	43.9
	Agriculture and environment related	11	13.4
	Comprehensive development related	19	23.2
	Social utilities and others	33	40.2