特殊时期地铁安检强化措施的优化模型和社会福利分析
发布时间：2018-08-30 10:51
【摘要】：在城市承办重大活动等特殊时期需要加强地铁安检措施防范恐怖袭击。本文分析了特殊时期地铁安检增加手持金属探测仪环节的实施效果,并与常态地铁安检措施进行比较。首先,构建了常态地铁安检和特殊时期地铁安检的优化模型。其次,对比不同情境下手持金属探测仪和X射线安检仪等安检措施对于潜在袭击者的威慑、对普通乘客的出行便利性、社会福利的影响。最后进行重要参数敏感性的数值分析。研究表明,特殊时期地铁安检增加手持金属探测仪环节后,可以降低物检环节X射线安检仪的最优检测精度要求,从而为普通乘客提供更多便利;但是常态安检X射线安检仪具有更高的检测精度,能够以更大概率识别出潜在袭击者;只有在满足特定条件下,特殊时期采取地铁安检强化措施才能够提高整体的社会福利。
[Abstract]:It is necessary to strengthen subway security measures to prevent terrorist attacks during special periods such as major activities in cities. This paper analyzes the effect of adding hand-held metal detector to subway security inspection in special period, and compares it with normal subway security inspection measures. Firstly, the optimization model of normal subway security inspection and special subway security inspection is constructed. Secondly, the effects of hand-held metal detector and X-ray security detector on potential assailants, travel convenience and social welfare of ordinary passengers are compared in different situations. Finally, the sensitivity of important parameters is analyzed numerically. The research shows that the increase of hand-held metal detector in special period of subway security inspection can reduce the optimal precision requirement of X-ray security detector in physical inspection link, thus providing more convenience for ordinary passengers. But the normal security X-ray detector has higher detection accuracy and can identify potential attackers with greater probability. Only under the special conditions, the special period of subway security inspection can improve the overall social welfare.
【作者单位】： 东北财经大学经济学院;东北财经大学管理科学与工程学院;
【基金】：国家自然科学基金资助项目(71271045,71571033,71503033,71602021) 东北财经大学学科建设支持计划特色学科项目(XKT-201411)
【分类号】：D631.4
本文编号：2212849
[Abstract]:It is necessary to strengthen subway security measures to prevent terrorist attacks during special periods such as major activities in cities. This paper analyzes the effect of adding hand-held metal detector to subway security inspection in special period, and compares it with normal subway security inspection measures. Firstly, the optimization model of normal subway security inspection and special subway security inspection is constructed. Secondly, the effects of hand-held metal detector and X-ray security detector on potential assailants, travel convenience and social welfare of ordinary passengers are compared in different situations. Finally, the sensitivity of important parameters is analyzed numerically. The research shows that the increase of hand-held metal detector in special period of subway security inspection can reduce the optimal precision requirement of X-ray security detector in physical inspection link, thus providing more convenience for ordinary passengers. But the normal security X-ray detector has higher detection accuracy and can identify potential attackers with greater probability. Only under the special conditions, the special period of subway security inspection can improve the overall social welfare.
【作者单位】： 东北财经大学经济学院;东北财经大学管理科学与工程学院;
【基金】：国家自然科学基金资助项目(71271045,71571033,71503033,71602021) 东北财经大学学科建设支持计划特色学科项目(XKT-201411)
【分类号】：D631.4
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