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针对SWS实施周期长但能满足企业用户个性化需求、SaaS能快速上线却是通用模式的特点,构建SWS定制化软件与SaaS标准化软件两阶段竞争模型,运用比较静态分析方法研究不同市场结构下,参变量变化对SWS与SaaS均衡价格、SaaS标准化软件种类及SWS定制化软件实施周期的影响。研究发现:SaaS与SWS能实现共存,双方可实现价格竞争的均衡状态或者局部垄断的市场格局;SaaS最优标准化软件种类数取决于具体的均衡市场结构;当企业用户的保留效用较低时,SWS的产品定价、市场份额和边际利润比SaaS要高;此外,当企业用户对SaaS的不适程度比较敏感时,SWS会缩短软件的实施周期。研究结论对于引导新兴SaaS模式步入软件市场良性循环轨道具有重要的理论指导意义。
For SWS implementation of long cycle but to meet the individual needs of business users, SaaS can be quickly launched is a common feature of the model to build SWS customized software and SaaS standardization software two stage competition model, the use of comparative static analysis of different market structure, Impact of changes in parameters on the equilibrium prices of SWS and SaaS, the types of SaaS standardized software and the implementation cycle of SWS customized software. The results show that: SaaS and SWS can coexist, both of which can achieve the equilibrium state of price competition or the market structure of partial monopoly. The number of SaaS optimal standardized software depends on the specific equilibrium market structure. When the retained utility of enterprise users is low, SWS’s product pricing, market share and marginal profit are higher than SaaS; in addition, SWS shortens the software implementation cycle when enterprise users are more sensitive to SaaS. The conclusion of the study has important theoretical guidance for guiding the emerging SaaS model into the virtuous circle of the software market.