| Infrastructure construction is an important part of a country's economic development and people's livelihood improvement.Improving the per capita ownership of public infrastructure is one of the important symbols of a country's prosperity.Because public infrastructure construction has the characteristics of long construction cycle,huge investment funds and long investment return cycle,most of the major countries in the world are government-led to invest in construction and operation management.The biggest problem with this model is that local governments often raise funds by issuing bonds or fiscal deficits,which will result in a high debt ratio.Because government investment often does not attach too much importance to economic benefits and other issues,the efficiency of capital use or efficiency is low,and if private capital,which is the most active,the largest number and the most efficient enterprise operation in the market economy,can obtain market access,it will achieve complementary advantages and provide the possibility for private enterprises to obtain long-term benefits.? PPP(Public-Private-Partnership)model,as an innovative financing mode,can effectively reduce the financial burden of the government on infrastructure construction,and also provide an opportunity for private enterprises to invest in public infrastructure construction and operation management,so as to realize the long-term return of capital investment.Since 2013,China has implemented the popularization of PPP projects and encouraged private enterprises to actively participate in infrastructure projects.After five years of development,by the end of 2018,there were 268 PPP projects for public infrastructure,and the investment of the projects reached 259.06 billion yuan.In 2018,some well-known private enterprises participated in local government infrastructure through PPP and fell into the whirlpool of equity pledge.The performance of listed companies such as Oriental Garden,Tiehan Ecology,Wanbangda and Three-dimensional Silk declined sharply,and the equity pledge was close to bursting warehouse,which caused the government to participate in infrastructure PPP projects.Highly concerned.The reasons for this dilemma are not only the environment of deleveraging and risk prevention in recent years,but also the lack of comprehensive and in-depth understanding of the risks of PPP mode when private enterprises participate in infrastructure construction through PPP mode,and the unscientific decision-making and management of PPP mode operation and management.This paper will focus on the research of private enterprises participating in the operation and management decision-making of infrastructure construction through PPP mode,strive to identify the risks of infrastructure PPP projects comprehensively by private enterprises,and construct a scientific and effective operation and management decision-making optimization mechanism,so as to promote the rational,scientific and effective participation of private enterprises.PPP projects with infrastructure.This paper puts forward the idea of applying dynamic interactive group decision-making to PPP project operation and management of private enterprises,and carries out research.Firstly,this paper analyses the current situation of private enterprises participating in infrastructure construction through PPP mode,summarizes the reasons why private enterprises participating in infrastructure project development and operation management through PPP mode are extremely conservative,and puts forward that effective risk identification of PPP project by private enterprises and improvement and optimization of operation and management decision-making mechanism are to promote the people.The important content of the business enterprise participating in PPP project.Secondly,the sources and characteristics of risks are analyzed from the typical cases of PPP projects at home and abroad.Based on the classification method of Bing L.,combined with the whole life cycle of PPP infrastructure projects,the risks are divided into more detailed secondary indicators from the selection,financing,construction and operation management of PPP projects.The index system of risk factors conforming to China's national conditions,the current level of urbanization and environmental protection policies has been established.Thirdly,on the basis of decision-making science theory and group decision-making theory,combined with the operational principle of private enterprises participating in infrastructure PPP projects,it is concluded that the operational management decision-making categories of infrastructure PPP projects are mainly divided into market competition decision-making,development decisionmaking,operational mechanism decision-making and production factor supply decisionmaking.There are three difficulties in P operation management decision-making,and the shortcomings of private enterprises themselves in operation management decision-making process,that is,lack of professional management in decision-making change,lack of objective analysis of decision-making,lack of quantitative standards,lack of tracking and optimization measures in decision-making mechanism,etc.Based on these,corresponding countermeasures are put forward.Aiming at the decision-making of PPP project management mechanism and factor supply of private enterprises,this paper puts forward a dynamic group decision-making mechanism which can be optimized and improved.In the defective stage of decision-making,satisfaction index is introduced to quantify preferences,and a new optimization model is proposed to satisfy the normalization of preference adjustment.Finally,through in-depth visits to the PPP project of rural environmental renovation in Luzhai County,Guangxi,the calculation of specific examples,the derivation of theorem formula and the validity test of the model,the feasibility of private enterprises participating in infrastructure PPP project is determined,and the dynamic group decision-making model is used to optimize the operation and management decision-making. |
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