Three-party Bidding For Government Investment Projects Study On The Causes Of Vertical Collusion And Coercive Measures

Under the guidance of the trend of reform and opening up,China has achieved remarkable results not only in the economic field,but also in the field of engineering construction,especially in relation to the development of the national economy and social needs.Government investment projects involving public interests,security,and basic life are nowadays The field of social engineering construction plays an increasingly important role.However,in the current stage,the vertical collusion of the government investment project bidding has occurred frequently,especially the collusion between the bidder,the bidding agency and the bidder,which seriously affects the quality of China's engineering construction and the order of the construction market.Based on this,it is imperative to curb the vertical collusion between the three parties in the bidding project of government-invested projects.It is necessary to conduct in-depth research on the causes of the collusion between the three parties.This article first defines the concept of government investment projects and bidding,and then puts forward the connotation of the vertical collusion of the three sides of the bidding,analyzes its expression form,and lays a foundation for the theoretical basis of the following text.Secondly,starting from the three parties,the author summarizes the reasons for the formation of vertical collusion through the literature review,designs a questionnaire to conduct data research,and uses SPSS software in combination with exploratory factor analysis to reduce 15 causes.The four dimensions of technology,environment,methods,and opportunities are summarized into dimensions,and six important causes are derived from factor mean analysis to lay the foundation for the preliminary quantitative analysis of the vertical collusion between the three bidders.Then,in order to conduct more in-depth theoretical analysis,from the perspective of the government,under the premise of taking into account the psychological characteristics of the bidding participants,based on the prospect theory,a game model with incomplete information and limited rationality is established,and five key influencing factors of strategic equilibrium are obtained,and A more intuitive and concrete analysis of the influence of each parameter of the game model on the probability of vertical collusion,sensitivity analysis of these key factors,combined with the questionnaire quantitative analysis results and game theory analysis conclusions,and the generation of vertical collusion between the bidding and the tripartite The cause of the impact is discussed.Finally,on this basis,a three-party vertical collusion-constraint mechanism for bidding and bidding was constructed,and the overall framework of the constraining mechanism was constructed according to the train of thought.Under the principle of mechanism-building,the contents of concrete implementation measures for the constraining mechanism were enriched to ensure that the constraining mechanism could be implemented.The implementation will provide reference and direction for the government's vertical restraint in the bidding and bidding of the government,which will give it some reference.