首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1369篇
  免费   42篇
  国内免费   21篇
财政金融   97篇
工业经济   74篇
计划管理   339篇
经济学   250篇
综合类   180篇
运输经济   10篇
旅游经济   27篇
贸易经济   244篇
农业经济   72篇
经济概况   139篇
  2024年   6篇
  2023年   14篇
  2022年   22篇
  2021年   26篇
  2020年   30篇
  2019年   39篇
  2018年   37篇
  2017年   40篇
  2016年   33篇
  2015年   46篇
  2014年   94篇
  2013年   242篇
  2012年   103篇
  2011年   154篇
  2010年   117篇
  2009年   76篇
  2008年   88篇
  2007年   62篇
  2006年   52篇
  2005年   40篇
  2004年   35篇
  2003年   19篇
  2002年   17篇
  2001年   10篇
  2000年   10篇
  1999年   7篇
  1998年   4篇
  1997年   2篇
  1996年   3篇
  1995年   2篇
  1990年   2篇
排序方式: 共有1432条查询结果,搜索用时 15 毫秒
41.
42.
This study examines how contextual, structural and functioning characteristics of industrial clusters influence their effectiveness. We develop a conceptual framework that identifies potential influencing factors, validate the factors statistically, and estimate the factors’ impact on cluster effectiveness. Our results show that among the important determinants of cluster effectiveness are long-term planning security and procedural trust among the cooperating firms (contextual conditions), formalized rules and sustainable structures (structural elements), and clear goals and tasks (functioning characteristics). However, the results also reveal that some determinants assessed as important in the literature do not seem to have a positive impact on effectiveness. Our results not only modify general assumptions in cluster research concerning the drivers of cluster effectiveness, but also assist firms and policy-makers in conceptualizing successful new clusters.  相似文献   
43.
This study examines consumers' visual attention toward tourism photographs with text naturally embedded in landscapes and their perceived advertising effectiveness. Eye-tracking is employed to record consumers' visual attention and a questionnaire is administered to acquire information about the perceived advertising effectiveness. The impacts of text elements are examined by two factors: viewers' understanding of the text language (understand vs. not understand), and the number of textual messages (single vs. multiple). Findings indicate that text within the landscapes of tourism photographs draws the majority of viewers' visual attention, irrespective of whether or not participants understand the text language. People spent more time viewing photographs with text in a known language compared to photographs with an unknown language, and more time viewing photographs with a single textual message than those with multiple textual messages. Viewers reported higher perceived advertising effectiveness toward tourism photographs that included text in the known language.  相似文献   
44.
Abstract

Companies that advertise during the Super Bowl can reach 40 million U.S. households with a 30-second commercial spot, but the cost can exceed $2 million. This research examines Nielsen television ratings and expenses for related commercial spots and suggests that the Super Bowl is not always the best site for introducing new companies or products to the marketplace. ANOVA test results indicate that younger companies may better affect purchase decisions by advertising more frequently during less expensive programming slots.  相似文献   
45.
市场根据垄断程度的不同。可以分为完全竞争、垄断竞争、寡头垄断和完全垄断市场四种类型。基于古诺模型,用博弈论方法研究n个厂商市场情形的总产量、价格、总收益和消费者剩余并把它们归纳为统一的公式。从四种市场情形总产量和价格的特点推出其供给曲线的形状,进而比较其社会福利的状况。研究结果表明,随着垄断性的加强,市场的社会福利会越来越劣,完全竞争市场的社会福利最好,垄断竞争市场次之,寡头垄断市场更次,完全垄断市场的社会福利最差。  相似文献   
46.
张骞 《中国市场》2008,(19):131-133
进入二十一世纪,我国农业发展进入一个新阶段,面临新的形势。河北省虽然地理环境优越,农产品资源丰富,但目前普遍存在着品牌观念不强、总体质量不高、安全水平较差、农业生产规模小、科学技术水平低和成本高等问题。尤其是我国加入WTO后,农产品国内市场国际化程度加强,市场竞争日趋残酷,发达国家设置了由严格的质量标准,检验检疫标准和认证制度等构成的绿色壁垒。这些问题直接成为影响河北省农产品国内国际竞争力进一步提高的关键性制约因素,必然对河北省农产品的生产和经营提出了更高、更严的要求。打造农业品牌,发挥品牌效应,重点培育具有国际竞争力的农业产区和优势农产品,是我们积极应对入世挑战、增强国内、国际市场竞争力和提高自身效益的重要途径,也是河北省农业发展到新阶段,在新形势下实现更高层次快速发展的必然选择。  相似文献   
47.
我国中小学心理健康教育已普遍受到关注,各级各类学校相继开始实施,但不少学校缺乏实效性和针对性。需要积极探索,采取措施,切实提高我国中小学心理健康教育的实效性。  相似文献   
48.
Over the last half century there has been a great deal of interest in the role of personality in teams. In this article we review the theoretical and empirical research on this topic to summarize what we have learned and also to provide a foundation for future research necessary for application of this knowledge to human resource management decisions. We describe research that emphasizes both team- and individual-levels of analysis and theory, and we discuss recent efforts that attempt to bridge these two levels. We conclude by identifying several issues that should take precedence in research in order to advance our understanding of the role of personality in teams.  相似文献   
49.
Outsourcing has become popular in both management literature and practice, but few studies have examined the effects of two important and potentially complementary elements – contractual and relational elements – on the effectiveness of logistics outsourcing relationships. It is theorized that contract formality, the thoroughness of contract negotiations, trust and commitment increase the effectiveness of 3PL provider–client relationships. For empirical validation a survey was carried out in the 3PL industry among both 3PL providers and clients. Using PLS path modelling, we observed that for both LSPs and clients, contract formality, trust and commitment are all positively related to relationship effectiveness. The results for negotiation thoroughness are mixed. The model explains 59% (LSPs) and 60% (clients) of the variance in relationship effectiveness. It is concluded that both ‘hard’ contractual aspects and ‘soft’ relationship aspects are important for effective supply chain collaboration. Theoretical and managerial implications are provided.  相似文献   
50.
从实现甩挂运输经济效益的概念理解、前提条件、定量计算和辩证思考四个方面对其进行探讨,其中重点是通过将甩挂运输与普通的公路运输组织形式进行比较来定量计算其经济效益,即甩挂运输所创造的相对高于普通公路运输的经济效益。具体将甩挂运输的经济效益分作车辆购置与运营固定成本效益、车辆运用效益、装卸转运与包装成本效益、运输站场成本效益、人力成本效益、其他效益六个方面,参照了集装化运输的经济效益计算方法,通过与普通公路运输经济效益作差算得。通过将甩挂运输的经济效益内容分类并进行定量计算,以达到对其更具体深入的认识,为进一步提高经济效益提供更有针对性的参考。  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号