需求依赖价格下港口存货质押业务中质押率研究

摘要

港口与银行合作办理质押贷款业务,不仅能增加港口的存储收入和金融收入,同时也能吸引更多的客户,从而增加其主营业务收入.在银行统一授信港口情况下,本文分析了质押物品的需求依赖价格条件下,风险中性的港口质押贷款业务中的最优质押率计算方法.并分别分析了在乘积型和加型随机需求函数条件下,质押产品价格、企业违约概率和质押物品数量以及质押期限对最优质押率和港口最大期望收益的影响,并通过数值分析验证了所有结论.%Cooperating with bank for inventory financing , port not only can increase storage income and financing income, but also can attract more customers to improve income of main business .It is assumed that bank grants unified credit to port .So port takes all financial risks .This paper introduces calculation model of optimal loan-to-value ratio and maximum expected profit of port which is risk neutral , when demand is dependent on inventory price.And analysis is shown about impacting on optimal Loan-to-value ratio and maximum expected profit by price of inventory , enterprise default probability , quantity of inventory and pledge period under the condition of multiplicative and additive stochastic demand function .And all the conclusions are verified by numerical analysis .