我国港口物流中货物通关效率的模型研究

货物通关效率是制约我国港口物流发展的一个关键因素。本文系统地分析了我国海关通关效率的现状，并通过与发达国家的现状对比，提出了优化通关系统，调整通关结构，简化通关手续的对策。另外，在海关通关中引入Assemble—to-order模型来进行通关优化。根据海关通关系统指标的分析，引入两个随机变量Ii和Bi，以在报关单满足率不低于某个百分比的前提下使平均机构设置费用最低为目标建立了优化模型。该模型使用贪婪算法的思想开发出具体算法。文中以一个实例检验了该模型的正确性和实用性。

Study on the Optimal Model of Cargo Clearance Efficiency in the Port Logistics

The efficiency of cargo clearance is akey issue that restricted the port logistics development. By analyzing the situation of the cargo clearance of our customs and comparing with those of the developed countries＇, some proposals, that is optimizing the cargo clearance system, coordinating the cargo clearance structure, and simplifying the procedure of cargo clearance at customs were suggested. Meanwhile, the assemble-to-order model was introduced to optimize the process. According to the index analysis of the customs cargo clearance system, two random indexes Ii and ~ were introduced. Then, under the premises that the meet rate of the customs declaration is not less than a certain percent, and taking the mean organic settling fee minimum as an object function, an optimal model was developed in the paper. The model can be solved with the greed algorithm, and the solution steps were presented Through an example application, the correctness and the practicality were tested.