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111.
基于语言的人力资本性质,引入语言"Q值"量化其经济价值,并以此修正Grin模型分析小语种语言存在的必要性.分析结果表明:(1)语言的Q值越大时,也即这种语言的生命力越强时,人们投入这种语言的时间就会越多;(2)基于文化和政治上的原因,在小语种语言有必要保护的前提下,刻画出小语种语言存亡边界、改变小语种语言的语言态度以及小语种语言的使用人数,可以使小语种语言从死亡区进入生存区;(3)在对小语种语言保护的制度安排中,持久增加使用小语种语言的人数十分重要. 相似文献
112.
本文将公司法人治理(Corporate Governance)机制分为属于治本之道的内部治理机制和属于治标之策的外部治理机制。外部治理机制包括法律体系对投资者的保护、公司控制权市场及经理人才市场是否完备、机构投资者的作用等;内部治理机制包括董事会治理、监事会治理、薪酬机制和股权治理等,其中发挥关键作用的是股权治理和董事会治理。从提升公司治理效率角度看,股权治理方面股权制衡类高于一股独大类公司,董事会治理方面则强调董事会的构成、董事会的规模、董事会成员的激励和董事会的领导结构。本文通过上述分析,并结合我国的具体情况,探讨在我国实现良好公司法人治理机制的路径。通过持续构建科学合理的公司决策、执行和监督体系,以最终实现我国公司价值的普遍提升。 相似文献
113.
ALAIN
KABUNDI JOHN MWAMBA
MUTEBA 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2011,79(2):173-183
This paper uses the generalised extreme value (GEV) distribution to model the extreme losses that are likely to occur during market crashes, in the case of an investor who has long positions in stocks and currencies. The null hypothesis – which tests for normality of asset returns – is rejected due to asymmetry of these returns. We assume that the asymmetric behaviour and volatility of the returns are captured by the shape and scale parameters, respectively, of a GEV distribution. The data set includes stock indices for the United States, Japan, the United Kingdom, Germany, France and South Africa, and the South African rand exchange rates against the US dollar observed from 3 January 2005 to 30 December 2009. In addition, we divide this sample period into two periods: the pre‐crisis period, from 3 January 2005 to 31 December 2007 and the crisis period, from 1 January 2008 to 30 December 2009. We compared the estimates of value at risk (VaR) using an extreme value theory (EVT) model, with the estimates derived from the traditional variance–covariance method and found that during the crisis the 99% extreme VaR estimates are more reliable as they lie within the Basel II green zone. These results suggest that, at higher quintiles, the VaR estimates based on EVT are reliable and more accurate than estimates from the traditional method. 相似文献
114.
劳动价值论作为整个马克思主义政治经济学的逻辑起点,在马克思主义理论中占有重要的地位。近些年,一些没有深入研读马克思主义原著的学者将根本错误的理论当作劳动价值论的"创新点"大做文章。本文主要对建国以来学术界就马克思劳动价值论提出的几个错误观点的批判,试图修正一些学者对于马克思劳动价值论认识的偏颇。 相似文献
115.
In Belgium as in many other countries, agricultural land is under pressure for development of other land uses. This paper presents a method for setting priorities for preservation of land for agriculture. The method is based on a participatory approach through which a value tree is formulated. This results in a list of criteria to define farmland value, which is explicitly linked to the objectives for farmland preservation. The value tree allows the list of criteria to be determined in a structured and consistent way. The participatory process contributes to the development of a shared vision on farmland preservation. The approach also incorporates context specificity, as shown by its application for farmland preservation in Flanders. 相似文献
116.
We extend prior research on the value relevance of accounting information for loss-making firms by allowing the coefficient of book value to vary across three distinct set of loss-making firm observations in our valuation model. Our key findings are, first, that book value is a less important determinant of equity value for either high R&D-intensive firms or dividend-paying firms, relative to firms with low R&D-intensity and zero dividends. Prior literature suggests that book value is a strong indicator of firm value for loss-making firms. This reasoning stems from book value's role as: (i) a proxy for the value of the possibility of abandoning or adapting the firms' net assets; and/or (ii) a proxy for expected future normal earnings. Our work suggests that this prior literature does not fully capture the valuation role of book value for loss-making firms. Second, we also find that dividends are value relevant, but generally only when the valuation role of book value is contextualised by allowing its coefficient to vary across high R&D-intensive firms, and dividend-paying, loss-making firms. 相似文献
117.
The purpose of this paper is to identify the degree to which the marketing discipline has hitherto engaged with business model literature. The results of a systematic review of business model literature are presented and utilise both the citation counts and the h-index to objectively demonstrate the limited engagement that the marketing discipline has had with business model literature, and the limited degree that the discipline has influenced that literature. The key findings reveal a growing, but formative body of literature that, hitherto, has been dominated by non-marketing disciplines and which has only just begun to be addressed by present day marketing scholars. Using the most influential articles identified in the analysis, the paper concludes with a case for the empirical development of the business model concept with industrial marketing scholarship. Such development is argued to be grounded in the potential of open business models, co-created with multiple stakeholders in a supply chain and the end users of a value proposition. 相似文献
118.
仪器作为现代科学研究的核心组成部分,在很大程度上决定了科学知识的产出。虚拟仪器技术对知识创造产生了深远影响。“软件就是仪器”的理念使得传统仪器、测量观念以及仪器作为科技黑箱的内涵和功能发生了质的变化。虚拟仪器在集成大量编码知识的同时更多地集成了主体的隐性知识,虚拟仪器技术通过对主体知识体系的重塑影响了知识创造。主体只有通过长时间、复杂的学习和使用过程才能充分发挥虚拟仪器技术在知识创造中的优势,实现编码知识和隐性知识的共同增长。 相似文献
119.
随着各种项目管理体制和方法的全面转型,我国需要借鉴和运用国际通行的项目挣值管理(EVM)绩效评估方法。然而,现有EVM绩效评估方法中存在着将实际多个项目要素影响简化为项目成本和进度两要素造成的绩效评估失真和信息缺失的实际问题与理论缺陷。本文将全面讨论现有的EVM方法,并给出有关解决方案及实务验证。 相似文献
120.
This paper focuses on exploring the potential and empirically observable value creation of strategic foresight activities in firms. We first review the literature on strategic foresight, innovation management and strategic management in order to identify the potential value contributions. We use survey data from 77 large multinational firms to assess how much value is generated from formalized strategic foresight practices in these firms. We show that it is possible to capture value through (1) an enhanced capacity to perceive change, (2) an enhanced capacity to interpret and respond to change, (3) influencing other actors, (4) and through an enhanced capacity for organizational learning. 相似文献