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城市出租车拥挤收费

, PP. 89-96

Keywords: 交通运输工程,拥挤收费,出租车,社会福利,变分不等式

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Abstract:

建立了多方式分担模型来分析拥挤收费背景下出租车是否也应征收拥挤费问题,并设计了求解模型的遗传算法。研究利用双层规划模型对该问题进行了描述,其中下层规划为组合网络均衡模型,刻画了出租车拥挤收费前后对出行产生、出行方式划分、出行路径选择及出行分布的影响,构建了与之等价的变分不等式;上层规划为社会福利的最大化。算例结果表明,是否应该对拥挤收费区域内的出租车征收拥挤费主要取决于私家车与出租车的单位距离运营成本之比。通常情况下(当二者的比值小于5.6时),对出租车进行拥挤收费就能获得更大的社会福利。

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