# Evolution Game Analysis of Supply Chain Synergy Benefits of Prefabricated Building Projects
## 6 Conclusions  
At present, there are fewer studies on the supply chain synergy benefits of assembly building projects. This study establishes a game model of the main three parties in the supply chain, considers the influence of various factors on the willingness of each participant to synergize, and analyzes the sensitivity degree of the strategy selection of the three parties to each factor; therefore, this study has more practical significance and practical value, and it provides ideas for the establishment of the supply chain synergy mechanism and the measurement and enhancement of the synergy benefits of the supply chain. Therefore, this study is more realistic and practical in value, and it provides ideas for the establishment of a supply chain synergy mechanism and the measurement and improvement in supply chain synergy benefits. In the three-party evolutionary game model consisting of \"government-construction unit-prefabricated component manufacturer\" with limited rationality as the premise, the strategic choices of each party are affected by the strategic choices of other participating subjects, and they will constantly change their strategies according to the changes in revenue to adapt to the overall environmental changes. The construction units and prefabricated component manufacturers mainly make strategic choices based on their interests; therefore, when the government does not support the policy of the participating subjects, the collaborative development of the prefabricated building project supply chain will be limited, and the subjects in the prefabricated building industry will still apply the independent development mode. Based on the evolutionary game theory, this paper conducted an in-depth analysis of the behavior of each participating subject, and the following conclusions were drawn:  
(1) Government: The initial stage of assembly building supply chain collaboration should consist of the implementation of a supply chain collaboration strategy to increase the subsidies of the participating bodies, such as area incentives, tax incentives, etc. The government's policy support plays a role in facilitating collaboration between the construction units and prefabricated component producers in the operation of the synergistic cost of the inputs, reducing the resistance to collaboration between the participating bodies in order to develop the willingness to rapidly enhance synergy. The role of governmentshortens the three-party evolutionary game behavior time and facilitates the collaboration and development of the equilibrium strategy. (2) Construction unit: As a party occupying the core position in the supply chain, the construction unit should actively improve the supply chain cooperation program, such as the distribution coefficient of synergistic incentives and benefits, liquidated damages, cost-sharing coefficients, and so on, which need to be agreed upon and clarified before the process of cooperation. Construction units should carefully consider the setup of the coefficient of distribution of the benefits of synergistic incentives because they need to pay the cost of market synergy, operational synergy, and management synergy costs more than the prefabricated component manufacturers. If the construction unit cannot obtain more benefits to ensure the operation of the enterprise, it will give up participation in supply chain synergy. (3) Prefabricated component manufacturers: Before the cooperation of all parties, they should actively participate in the development of supply chain cooperation programs and formulate a reasonable and fair mechanism for the distribution of costs and compensation for breach of contract; this will improve the trust between the two sides and realize a win-win situation for the supply chain participants.