Research On Governance Mechanism Of China's Vegetable Safety And Simulation

In recent years, the residue of pesticides of vegetables still generally exceeds standard, the poisoning of edible vegetables happens occasionally, and the export trade dispute increases day by day in our country. The situation is very unoptimistic, and the problem is increasingly striking. China government has issued some policies and law since the end of 20th century, but the effect is obsolete. Safe vegetables help to maintain sustainable development, social stability and harmonious, so how to guarantee vegetables safety are both helpful to improve people's life and health level and important condition of strengthening industry's competitiveness of vegetables of our country. At the same time, it becomes more and more important and urgent.Based on the existing research results, employing the theory of economics and behavioral science, case study and induction method, the research analyses the relationships between modes of organization, government regulation and food safety. Furthermore, in this thesis, a recent method to model and simulate system is present, which is based on the multi-agent, and is workable and easy to implement a multi-agent system. And then, the supply chain of vegetable is modeled and simulated with this agent-based method, which is including government, wholesaler and farmer. Some experiments through computer simulation, demonstrate that the relationship of correlative variable and the evolutionary process of agnets. The main conclusions herein are as follows:(1) At the present stage, disperse and small farmers are difficult to guarantee quality and safety of vegetables. The effect is poor even if the intension of regulation is increased. On the contrary, it increases the burden of government.(2) Organizational modes of supply chain affect to ensure vegetable safety. The relationship between vegetable safety and organizational structures of supply chain is positive correlation.(3) The degree of supply chain integration work on the efficiency of the government. Higher the degree of integration is, stronger organization extent is, and the more efficient regulation becomes. (4) Integrated regulation system is more effective and businesslike to the distributed regulation system. Due to the disadvantage of China's vegetable safety regulation system, integrated regulation system is feasible way to innovate.(5) Informal institution such as trust, culture and moral norm have affect on the evolutional path and speed of vegetable safety. On the other hand, it is also a significant governance mechanism of vegetable.In the end, based on the research conclusions, some strategic suggestion are put forward. It will provide scientific basis for the government to guarantee quality and safety of vegetables.