股票供给曲线凸现向后弯曲与理性投资决策

股票市场价格的高低及变动是对股票内在价值高低及变动的综合反映和表现,其价格的形成直接取决于市场的供求关系,而影响和调节股票供求量的并不是单位股票的绝对价格水平的高低及变动,它是股票作为投资品的单位内在价值的市场价格水平的高低及变动。由于股票收入效应和替代效应的存在又使股票供给曲线向后弯曲提升了股票的内在价值,这一表象成为引起股价波动背后的主要理性因素,从而为投资决策提供理性依据。     

土地承包责任制现状评析

通过对土地承包责任制产生、发展及现状的考察和分析,论证了土地承包责任制是行之有效的制度形式,反驳了土地国有化和土地私有化的观点,指出正确的方法应是克服土地承包责任制的缺陷和不足,并予以改进和完善,以谋求社会和谐发展。     

“共享员工”制度常态化可行性研究

新冠疫情期间,企业为了缓解各方面压力,探索出"共享员工"新型用工形式,具体表现为企业间共享模式、用工单位直接与劳动者签订劳务合同以及在第三方介入下实现员工共享。中央及地方政府也纷纷推出鼓励"共享员工"发展的政策。但是"共享员工"制度是否能在常时条件下成为一种用工形式仍存在一系列问题。"共享员工"制度常态化的可能性应从其对劳务派遣制度"三性"的突破、对传统员工借调主体范围的扩大以及对共享经济用工模式的补充等方面分析。"共享员工"制度实现常态化需要以平台经济为依托,借助政府监督机构,对其他用工制度的不足进行修复式移用。     

基于聚类分析的IPO定价实证研究

股票发行定价作为股市运行极为关键的一环,它的合理与否将直接关系到整个股市运行的效率。选取沪A近4年来发行新股作为研究样本,然后利用多元线性回归方法作分析,可找出影响IPO发行价格的8个主要因素。将定价研究集中到行业中进行,以多元回归得到的主要因素作为聚类指标,选取某一行业(如电力行业)已发行股票为样本,对其进行聚类分析和判别分析,建立该行业新股发行定价的衡量体系,可为拟发行新股的公司提供定价指导。     

The performance of the income protection system for older adults in Ecuador and future challenges

The objective of this article is to analyse the performance of Ecuador’s pension system and the challenges it will face in the future. Over the last 13 years, the pension system has made significant advances in terms of coverage and adequacy. However, demographic ageing is straining the financial sustainability of the contributory scheme. In this context, a number of public policy areas are identified, in terms of parameters and structures, which, together with the expansion of non-contributory coverage, could provide a more equitable and sustainable scheme.     

Double and group acceptance sampling plan for truncated life test based on inverse log-logistic distribution

This paper introduces a double and group acceptance sampling plans based on time truncated lifetimes when the lifetime of an item follows the inverse log-logistic (ILL) distribution with known shape parameter. The operating characteristic function and average sample number (ASN) values of the double acceptance sampling inspection plan are provided. The values of the minimum number of groups and operating characteristic function for various quality levels are obtained for a group acceptance sampling inspection plan. A comparative study between single acceptance sampling inspection plan and double acceptance sampling inspection plan is carried out in terms of sample size. One simulated example and four real-life examples are discussed to show the applicability of the proposed double and group acceptance sampling inspection plans for ILL distributed quality parameters.     

领导成员交换关系对企业员工管家行为倾向的影响研究

通过问卷调查,采集针对企业普通员工的问卷数据,探讨了领导成员交换关系与员工管家行为之间的关联关系,构建并检验了 “领导成员交换关系—心理所有权—员工管家行为倾向”作用机制模型。研究结果表明：领导成员交换关系对员工管家行为倾向有显著的正向影响,心理所有权在领导成员交换关系与员工管家行为倾向之间起部分中介作用。     

欧盟三大科技计划对我国跨行政区科技合作的启示

欧盟三大科技计划,即框架计划、尤里卡计划和欧洲科技领域研究合作组织,在促进区域科技项目合作方面积累了丰富的经验,具体表现在:项目的进行采取多成员国合作的形式;主要经费来源于各国政府;管理机构简练高效;遵循一定的原则.而我国科技资源分布不均衡,科技计划项目合作深度与广度均有待加强.借鉴欧盟经验,促进我国跨行政区科技合作,应加强对落后地区科技发展的扶持;制定跨行政区科技合作的条文规定;加强人力资源合作和共享、积极推动全国范围的科技合作;建立跨地区科技计划项目合作协调机制.     

The belonging model of trust

Although we know that high‐quality employee–organization relationships are beneficial, these relationships are complex and not fully understood, especially among employees of nonprofit organizations. In particular, we know little about how these employees perceive trust, which may overlook an important contributor to effective management. We begin to address this issue by testing a new theoretical model that conceptualizes perceived insider status, psychological ownership, and organizational identification as foundations for the perception of justice and subsequent trust. Our results indicate that psychological ownership and perceived insider status relate to trust through procedural and interpersonal justice. These results contrast those typically found in for‐profit contexts in that organizational identification did not predict justice and that distributive and informational justice did not predict trust.     

大学生择业价值取向及职业生涯规划调查分析

通过对合肥学院机械工程系98位应届毕业生的问卷调查,分析当代大学生择业价值取向和职业生涯规划的现实状况,提出要理性看待大学毕业生追求和加强对大学生进行职业规划教育的两点建议。