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2015 12th International Conference on Service Systems and Service Management (ICSSSM)最新文献

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The relationship between the Cross-shareholdings of listed companies in China and its profitability 中国上市公司交叉持股与盈利能力的关系
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170233
X. Xu, Yan Zhou
In the 1990s, the companies in China have Cross-shareholdings phenomenon, after 20 years, the Cross-shareholding phenomenon has more and more influence on the companies, especially on the profitability, and cannot be ignored. Based on the current theoretical achievements about cross-shareholding by domestic and foreign scholars, we analyze the relationship between the cross-shareholding ratio and the profitability of the company in the Shanghai and Shenzhen A stock market from 2010 to 2014 and have the robustness testing. The results showed that the cross-shareholding behavior for holding company has a certain role in promoting profitability.
在20世纪90年代,中国的公司存在交叉持股现象,20年后,交叉持股现象对公司的影响越来越大,特别是对盈利能力的影响不容忽视。基于目前国内外学者关于交叉持股的理论成果,我们分析了2010 - 2014年沪深A股市场交叉持股比例与公司盈利能力之间的关系,并进行了稳健性检验。结果表明,控股公司的交叉持股行为对盈利能力有一定的促进作用。
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引用次数: 0
Empirical research on the comprehensive growth evaluation of publishing listed companies in China 中国出版上市公司综合成长性评价实证研究
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170271
Zhiyong He
This paper selects 12 publishing listed companies in China as research sample, uses the factor analysis method to make a comprehensive evaluation and comparative analysis of the growth of publishing listed companies in 2012-2013 according to four respects including profitability, operation ability, debt paying ability and development ability. Finally, we find that the profitability is not strong for traditional publishing business which needs the transformation and upgrade of the profit model; the growth quality of main business income is not high and the economies of scale is not significant; the debt financing ratio is too low and the efficiency of the use of funds is poor; the learning ability and strain capacity need to be improved to keep the firm growth vigor.
本文选取我国12家出版上市公司作为研究样本,运用因子分析法,从盈利能力、经营能力、偿债能力和发展能力四个方面对2012-2013年出版上市公司的成长性进行了综合评价和比较分析。最后发现,传统出版业务盈利能力不强,盈利模式有待转型升级;主营业务收入增长质量不高,规模效益不明显;负债融资比例过低,资金使用效率较差;学习能力和应变能力有待提高,难以保持企业成长活力。
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引用次数: 0
The analysis of software and network technology's differential effects on knowledge work productivity 软件技术与网络技术对知识工作生产率的差异效应分析
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170247
Yang Dan
Modern information technology has become an indispensable tools for the knowledge work. The optimization and standardization of work process from the industrial era to the post-industrial society are realized by the major means of information technology. The rapid development of information technology provided an effective means for the knowledge work. However, the effects mechanism of different kinds of information technology on the knowledge work productivity has not been clear. From the literature review we found that, software system and networks, as the most frequently used information technology tools, have the different effects at the level of the individual end-user. The empirical study indicates that, software systems and network technology have become the essential aids for knowledge work. On the five dimensions of knowledge work productivity (efficiency, quality, innovation, customer satisfaction and collaboration), the impacts of software systems and network technology show the significant differences. In terms of efficiency and quality, the role of software is significantly better than network. While in the dimensions of customer satisfaction, innovation and collaboration, the role of the network is significantly better than software. This paper seeks the different “focal point” of software systems and networks on knowledge work productivity.
现代信息技术已成为知识型工作不可缺少的工具。从工业时代到后工业社会,工作流程的优化和标准化是以信息技术为主要手段实现的。信息技术的飞速发展为知识型工作提供了有效的手段。然而,不同类型的信息技术对知识工作生产率的影响机制尚不清楚。从文献综述中我们发现,软件系统和网络作为最常用的信息技术工具,在个体最终用户层面上具有不同的影响。实证研究表明,软件系统和网络技术已成为知识型工作必不可少的辅助工具。在知识工作生产力的五个维度(效率、质量、创新、客户满意度和协作)上,软件系统和网络技术的影响表现出显著差异。在效率和质量方面,软件的作用明显优于网络。而在客户满意度、创新和协作三个维度上,网络的作用明显优于软件。本文寻求软件系统和网络对知识工作效率的不同“焦点”。
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引用次数: 0
Segmentation and evolution of urban areas in Beijing: A view from mobility data of massive individuals 北京城市区域的分割与演化——来自大规模个体流动数据的视角
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170331
Jichang Zhao, Ruiwen Li, X. Liang, Ke Xu
With the rapid urbanization of Beijing in recent decades, comprehensively understanding its regions' structures and functions becomes more and more challenging, though it indeed plays a fundamental role in the city planning. While fortunately, the accumulation of huge mobility records from massive individuals provides an unprecedented big-data window for solving this issue. In this paper, we segment urban areas of Beijing into administrative and functional subdivisions through mining GPS trajectories of taxis. First, a flow network between small regions is established to administratively segment the urban area and Infomap is found to be a better approach. Second, temporal features from regions' flow dynamics are extracted to functionally segment the urban area through spectral clustering, which effectively identifies regions with different functions and flow patterns. Third, the comparison of segmentation at different time can vividly represent the evolution of the city, including emergence of new regions and vanishment of aging areas. Our results demonstrate the possibility that the big-data of movements generated by massive users could provide a new but promising probe to understand the evolution of cities in both spatial and temporal dimensions.
近几十年来,随着北京城市化的快速发展,全面了解其区域结构和功能变得越来越具有挑战性,尽管它在城市规划中确实起着基础性的作用。幸运的是,大量个人移动记录的积累为解决这一问题提供了前所未有的大数据窗口。本文通过对出租车GPS轨迹的挖掘,将北京城区划分为行政区划和功能区划。首先,建立小区域之间的流动网络,在行政上分割城市区域,发现Infomap是一种更好的方法。其次,提取区域流动动态的时间特征,通过谱聚类对城市区域进行功能分割,有效识别不同功能和流动模式的区域;第三,不同时期的分割对比可以形象地反映城市的演变,包括新区域的出现和老区域的消失。我们的研究结果表明,由大量用户产生的运动大数据可能为理解城市在空间和时间维度上的演变提供一种新的但有希望的探索。
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引用次数: 6
Collaborative decision-making method for large equipment enterprise's supplier selection with incomplete information 不完全信息下大型装备企业供应商选择的协同决策方法
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170212
Chao-ping Sun, Huijun Huang, Mengdan Miao
To solve the supplier selection problem for the large equipment enterprise with incomplete information, DEMATEL is adopted to construct the connect relationship among the evaluation index sets of each candidate supplier firstly, so we can know the mutual influence among index sets. And ANP is used to calculate the weight for each index set. Considering the incomplete information fully in the globalization market environment, D-S evidence theory is used for multi-source evaluation information fusion from different decision makers. Finally, TOPSIS is adopted to make the final order of candidate suppliers and find out the most satisfying supplier. The numerical results show that the collaborative decision-making method in the paper is reasonable and has a certain reference value in the practice.
为解决信息不完全的大型装备企业供应商选择问题,采用DEMATEL方法,首先构建各候选供应商评价指标集之间的联系关系,从而了解指标集之间的相互影响。采用ANP方法计算各指标集的权重。充分考虑全球化市场环境下信息的不完全性,采用D-S证据理论对来自不同决策者的多源评价信息进行融合。最后利用TOPSIS对候选供应商进行最终排序,找出最满意的供应商。数值结果表明,本文提出的协同决策方法是合理的,在实践中具有一定的参考价值。
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引用次数: 2
The optimal operation decision for start-ups and established firms with R&D investment consideration 考虑研发投入的初创企业和成熟企业的最优经营决策
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170299
Ruijie Zhang, Y. Zhu, Xiaoyan Zeng
Taking the factor of customer switching into count, we analyze duopoly models in which both start-ups and established firms consider the competitive investment in R&D when they enter the new market. Firms make a decision on investment will influence the customer switching. The firms with investment may attract new customers from other firms which does not invest and then maintain more market share. In our models, we assume the two kinds of firms have different investment objectives: established firms make the investment consideration to maximize the expected profit, whereas start-ups just try to maximize the probability of survival (Robert Swinney, 2011). Considering the customer switching, we work out four kinds of different results in this game. Finally, numerical examples are used to illustrate the models.
考虑顾客转换因素,我们分析了双寡头模型,在双寡头模型中,初创企业和老牌企业在进入新市场时都考虑了竞争性研发投资。企业的投资决策会影响客户的转换。有投资的企业可以从其他没有投资的企业那里吸引新客户,从而保持更多的市场份额。在我们的模型中,我们假设这两类公司有不同的投资目标:老牌公司的投资考虑是最大化预期利润,而初创公司只是试图最大化生存的概率(Robert Swinney, 2011)。考虑到客户的转换,我们得到了四种不同的博弈结果。最后,通过数值算例对模型进行了说明。
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引用次数: 0
Pareto improvements for a supply chain with price-only contracts based on quick response 基于快速反应的纯价格合同供应链的帕累托改进
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170182
Qian Zhao, Weijun Wang, Hong Chen, Wenlin Chen
Uncertain demand and fierce market competition lead firms to make response as quickly as they can, especially in the manufacturing industry. Quick response manufacturing has become a basic ability of a manufacturer. In this paper, we study how a manufacturer who has quick response abilities and a retailer to make decisions with a price-only contract. We develop our model based on price-only contracts, because the contracts are the simplest and widely used in practice. In our model, the manufacturer decides the initial wholesale price and the reordering wholesale price first, and the retailer decides the initial ordering quantity according the two wholesale prices. Based on our model, we addressed the optimal decisions for the manufacturer and the retailer with two ordering opportunities. Comparing with a single ordering opportunity, we find out the condition of the manufacturer and retailer's performance improvements, respectively. We also find out the condition of Pareto improvements. In the end, we design an unidimensional searching algorithm to address the the condition of Pareto improvements.
不确定的需求和激烈的市场竞争促使企业尽快做出反应,尤其是在制造业。快速响应制造已成为制造商的基本能力。本文研究了具有快速反应能力的制造商和零售商在纯价格合同下的决策问题。我们基于价格契约开发模型,因为价格契约是最简单的,并且在实践中被广泛使用。在我们的模型中,制造商首先决定初始批发价格和再订货批发价格,零售商根据这两种批发价格决定初始订货数量。基于我们的模型,我们解决了制造商和零售商在两个订购机会下的最优决策。通过与单个订货机会的比较,分别得出了制造商和零售商的绩效改进情况。我们还找出了帕累托改进的条件。最后,我们设计了一种一维搜索算法来解决帕累托改进的条件。
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引用次数: 0
Manufacturer uniform pricing and channel choice in random demand 随机需求下厂商统一定价与渠道选择
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170199
Lei Ming, Liu Xiangdong, Li Shalang, Liang Xiangjing
In this paper, we investigate a simple two-echelon supply chain system with a manufacturer and a retailer. During a single sale season, the manufacturer sells his brand product either only through the retailer (retail-only channel), or both through a retail channel and an internet channel (dual channel). And the end demand not only dependents on price but on channel members' marketing effort. The retailer provides marketing effort only in the retail channel, and the manufacturer gives marketing effort only in the internet channel. On the basis of the joint price and marketing effort dependent newsvendor model, we investigate the manufacturer's channel choice as well as pricing, marketing effort and inventory decisions in consignment contract scenario. As a Stackelberg leader, the manufacturer determines the final retail price, sales revenue share ratio and the ordered product quantities, and the retailer as a follower decides the retail channel marketing effort. We find that, under such a contract, manufacturer's channel selection decision depends critically on demand price elasticity, sales revenue share ration, channel cost and demand fluctuation. In particular, if the prior agreed sales revenue share ratio is quite high or price elasticity of demand is comparatively low, the increase of demand fluctuation will not only enhance manufacturer's willingness to add internet channel but also strengthen retailer's preference of dual channel.
本文研究了一个具有制造商和零售商的简单两级供应链系统。在单一销售季节,制造商要么只通过零售商(纯零售渠道)销售其品牌产品,要么同时通过零售渠道和互联网渠道(双渠道)销售其品牌产品。最终需求不仅取决于价格,还取决于渠道成员的营销努力。零售商只在零售渠道上提供营销努力,制造商只在互联网渠道上提供营销努力。基于价格和营销努力共同依赖的新闻供应商模型,我们研究了寄售合同情景下制造商的渠道选择以及价格、营销努力和库存决策。作为Stackelberg领导者,制造商决定最终零售价格、销售收入份额比例和订购产品数量,而作为追随者的零售商决定零售渠道营销的努力。研究发现,在这种契约下,制造商的渠道选择决策主要取决于需求价格弹性、销售收入份额、渠道成本和需求波动。特别是在事先约定的销售收入占比较高或需求的价格弹性较低的情况下,需求波动的增加不仅会增强制造商增加互联网渠道的意愿,也会增强零售商对双渠道的偏好。
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引用次数: 1
Service and price competition in a variety seeking market 服务和价格竞争,在各种寻求市场
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170320
Ying Wei, Liyang Xiong, Yulan Wang
We study service and pricing competition in a duopoly market where consumers are variety seeking, which is modeled as a decrease in the willingness to pay for the product purchased on the previous purchase occasion. Under a two-stage Hotelling-type model, we show that the presence of variety seeking consumers induces higher service levels in Period 2, if prices are committed at the beginning. The higher service in Period 2 represents the incentive that firms need to offer to prevent the variety seeking consumers from switching. Furthermore, if consumers on average have a higher propensity to one firm, the variety seeking behavior increases both the price and service gaps, thus to exaggerate market differentiation. In addition, variety seeking leads to higher total profits and a higher consumer surplus.
我们研究了双寡头市场中的服务和价格竞争,其中消费者追求多样性,这被建模为在前一次购买时购买产品的意愿下降。在两阶段酒店型模型下,我们发现,如果一开始就承诺价格,那么追求多样性的消费者的存在会导致第二阶段的服务水平提高。阶段2中较高的服务代表了公司需要提供的激励,以防止寻求多样化的消费者转换。此外,如果消费者对一家企业的平均倾向较高,则品种寻求行为会增加价格缺口和服务缺口,从而扩大市场分化。此外,品种追求导致更高的总利润和更高的消费者剩余。
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引用次数: 0
Study on Non-market Value and the Analogy-market resource allocation of public service 公共服务的非市场价值与模拟市场资源配置研究
Pub Date : 2015-06-22 DOI: 10.1109/ICSSSM.2015.7170208
G. Yang, Junkai Yang
The aim of this paper is to create an analysis framework of the Analogy-market Resource Allocation of public services based on Non-market Value, which is helpful to resolve the problems that it's not only impossible to maximize the efficiency by marketing, but also causes the deviation from public values. Willingness to Pay or Accept (WTP/WTA) reveals the monetary value of public service assessed by citizens, so it can be measured as Non-market Values of public services and direct the resource allocation to get the similar efficiency to market's, in this paper which is defined as Analogy-market Resource Allocation. To decrease the errors of the measurement of Nonmarket Value, Discrete Choice Experiment (DCE) and Randomized Trials can be introduced in. On the supply of Analogy-market Resource Allocation, a marginal decision model based on Non-market Values was created by logistic regression to help the decision on the substitution from internal supply to external supply, and the quality control of the outsourced services based on Non-market Value is also proposed to implement; On the distribution, a mode of preliminary and secondary distribution is discussed, which aims to the priority of someone' s demands to be met who has higher Non-market Value to increase the consumer surplus and improve the efficiency. Finally, we analyze the improvement of efficiency brought by Analogy-market Resource Allocation, and choose the gradual change mode to ease the change resistance.
本文旨在构建基于非市场价值的公共服务类比市场资源配置分析框架,有助于解决市场营销既无法实现效率最大化,又会导致公共价值偏离的问题。支付或接受意愿(WTP/WTA)揭示了公民对公共服务的货币价值评估,因此可以将其衡量为公共服务的非市场价值,并指导资源配置以获得与市场相似的效率,本文将其定义为类比市场资源配置。为了减小非市场价值计量的误差,可以引入离散选择实验(DCE)和随机试验。在模拟市场资源配置的供给问题上,运用logistic回归方法建立了基于非市场价值的边际决策模型,帮助企业从内部供给向外部供给进行替代决策,并提出了基于非市场价值的外包服务质量控制实施方案;在分配上,探讨了一种以非市场价值较高的人的需求优先得到满足为目的的初步和二次分配模式,以增加消费者剩余,提高效率。最后,分析了模拟市场资源配置带来的效率提升,并选择渐变模式来缓解变化阻力。
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引用次数: 0
期刊
2015 12th International Conference on Service Systems and Service Management (ICSSSM)
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