考虑计算资源容量的云服务垄断定价研究被引量：9

Monopoly Pricing for Cloud Services Considering Computing Resource Capacity

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摘要云服务是针对虚拟计算资源的访问服务,客户价值差异与资源能力约束是影响云服务定价决策的重要因素。针对云服务市场中按固定价格和按用量定价两种常用定价方式,提出一般性假设并构建旨在最大化垄断利润的非线性定价模型,对模型求解并对模型解的含义进行揭示。给出数值算例,从市场覆盖、计算资源影子价格、厂商利润及客户剩余等方面对两种定价方法进行比较,结果表明:客户类型分布影响厂商利润、客户剩余及计算资源需求,厂商应努力掌握客户类型分布信息;计算资源充足时应采用按用量定价方法;市场覆盖与客户类型分布及可用计算资源量有关,按用量定价时市场覆盖更大;增加计算资源有利于提升社会福利。本文为云服务厂商定价决策提供理论与方法支持。 Cloud services are access services for virtual computing resources,of which the two important factors affecting pricing decision are customer value differences and resource capacity constraints.Aiming at the two common pricing methods of fixed price and usage-based pricing in the cloud service market,the general assumptions are proposed and a nonlinear pricing model aiming at maximizing the profit of monopolist is constructed.The model is solved and the implication of the model is revealed.Numerical examples are illustrated to compare the two pricing methods from the aspects of market coverage,shadow price of computing resources,monopolist’s profit and customer surplus.The main findings include four aspects.First,monopolist’s profit,customers’surplus and computing resources demand are affected by customer type distribution.Efforts should be made to grasp customer type distribution information.Second,usage-based pricing should be used when computing resources are sufficient.Third,market coverage is related to the customer type distribution and the available computing resources,and the market coverage is larger when pricing by usage.Last,increasing the computing resources is conducive to improving social welfare.Theoretical and methodological support are provided for cloud service providers’pricing decisions.

作者吴士亮仲琴张庆民 WU Shi-liang;ZHONG Qin;ZHANG Qing-min(School of Management Science and Engineering,Nanjing University of Finance and Economics,Nanjing 210023,China)

机构地区南京财经大学管理科学与工程学院

出处《中国管理科学》 CSSCI CSCD 北大核心 2019年第8期107-117,共11页 Chinese Journal of Management Science

基金教育部人文社会科学基金资助项目(15YJC630177)

关键词云计算垄断市场价格歧视固定价格按用量定价 cloud computing monopoly market price discrimination fixed price pricing by usage

分类号 F49 [经济管理—产业经济]

作者简介通讯作者:吴士亮(1972-),男(汉族),山东临沂人,南京财经大学管理科学与工程学院副教授,博士,研究方向:云服务管理,E-mail:shiliang.wu@163.com.

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参考文献2

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