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综合考虑影响保税区向自由贸易区演化的多种因素,建立评价指标体系及模型对保税区的演化效力和综合效率进行评价;将保税区的演化效力和综合效率作为控制变量,演化状态作为状态变量,建立尖点突变模型;以我国12个主要保税区实际数据对模型进行拟合并分析尖点突变的规律.实验结果验证了保税区向自由贸易区的尖点突变机制.
Considering various factors that affect the evolution of free trade area to free trade area, establishing evaluation index system and model to evaluate the evolutionary efficiency and comprehensive efficiency of free trade area; Taking the evolutionary efficiency and overall efficiency of free trade area as control variables and evolutionary states as state variables, The model of cusp catastrophe was fitted by the actual data of 12 major free trade zones in our country and the cusp catastrophe was analyzed.The experimental results validated the cusp catastrophe mechanism of Free Trade Zone to Free Trade Zone.