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   16196篇
  免费   406篇
  国内免费   214篇
财政金融   286篇
工业经济   576篇
计划管理   9015篇
经济学   1257篇
综合类   1160篇
运输经济   284篇
旅游经济   92篇
贸易经济   2835篇
农业经济   226篇
经济概况   1085篇
  2024年   50篇
  2023年   131篇
  2022年   221篇
  2021年   314篇
  2020年   376篇
  2019年   179篇
  2018年   197篇
  2017年   202篇
  2016年   260篇
  2015年   418篇
  2014年   1451篇
  2013年   1064篇
  2012年   1567篇
  2011年   1959篇
  2010年   1332篇
  2009年   961篇
  2008年   1673篇
  2007年   1358篇
  2006年   972篇
  2005年   821篇
  2004年   529篇
  2003年   313篇
  2002年   175篇
  2001年   126篇
  2000年   68篇
  1999年   27篇
  1998年   30篇
  1997年   18篇
  1996年   15篇
  1995年   1篇
  1994年   1篇
  1993年   3篇
  1992年   1篇
  1991年   2篇
  1988年   1篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
991.
采用文献计量学方法,以中国学术期刊评价统计分析系统的网络传播统计数据为依据,统计分析了我国4家主要旅游学术期刊(《旅游学刊》、《旅游科学》、《北京第二外国语学院学报(旅游版)》、《旅游论坛》)的网络传播趋势、读者地域分布、文献海外访问量分区段分布情况。分析结果表明:1)旅游学术期刊的办刊时间长短与网络传播有比较强的联系;2)受CNKI的影响范围和发文文种限制,我国旅游学术期刊地域影响主要集中在亚洲华人集中的地区,3)省市区读者分布情况与我国的区域经济发展水平和旅游教育发展水平有很强的关系;4)我国旅游学术期刊的海外访问情况都不是很理想。综合以上4点.说明我国这4家我国旅游学术期刊的国际化水平还有待提高。  相似文献   
992.
随着信息技术和市场经济的迅猛发展,高校科技成果转化过程中传统的中介服务手段与先进的网络信息技术形成了巨大反差。本文首先分析了高校图书馆在促进高校科技成果转化中存在的信息资源优势、信息服务优势和信息技术优势。在此基础上提出了构建高校图书馆科技成果转化网络平台,并对平台的各部分功能模块进行详细阐述。最后指出在构建平台中还存在一些问题,需要来自各方面的支持。  相似文献   
993.
ABSTRACT

This study assesses the importance, performance, and the interrelationships of key destination attributes for marketing managers to prioritize resource allocation. A three-dimensional analysis of importance–performance–impact-analysis (IPIA) factors, based upon a survey sample of 275 Chinese tourists to Britain and an expert panel interview with 10 destination marketing managers is presented. Data analysis was based upon a mix of multi-criteria decision-making methodologies, the Decision-Making Trial and Evaluation Laboratory (DEMATEL) method and the Analytic Network Process (ANP) method. The framework can be applied to prioritize resources allocation to improve customer satisfaction in other contexts, such as a sector or a specific business.  相似文献   
994.
This study examines how venture capital (VC) firms terminate investments in an emerging economy context. We contend that due to the weak institutional environment, it is appropriate to draw on insights from power and social relation perspectives for a better understanding of the phenomenon. Specifically, we argue that a termination decision hinges on not only the dependence relationship between a VC firm and its portfolio companies, but also the social relationships among VC firms. Event history analyses of approximately 12,000 VC deals made in China between 2001 and 2012 reveal that when a VC firm has a greater number of investments in an industry, it is more likely to terminate investments on a portfolio company in that industry. Moreover, such effect on termination is moderated by the focal VC's embeddedness with its syndicate partners and collaboration opportunities with other VC firms outside the immediate access of the syndicate partners. Our study sheds light on research on VC decision making in emerging markets by integrating insights from resource dependence relationships and interorganizational network characteristics.  相似文献   
995.
This article reveals an unexplored paradox for HR managers: the centrality of an employee in the social network benefits performance but hampers performance appraisal because it affects supervisors' rating errors. Central employees can be erroneously rated high on performance even when they are not high performers because supervisors tend to overappraise their performance. A distinction is made between rating precision, which depends on supervisors' uncertainty regarding employees' performance, and rating accuracy, which depends on supervisors' bias in favor of employees. Employee centrality is posited to be beneficial to precision but deleterious to accuracy because it regulates the diffusion of positive information, status, and power, all of which distort supervisors' capacity and motivation to accurately appraise performance. It is then argued that rating errors caused by network centrality affect aggregate perceptions of justice in organizations. When employees are highly connected to each other in a dense network, organizations have a strong and positive justice climate. Yet when some employees are more central than others in a centralized network, organizations have a negative and weak justice climate. The article contributes to the literature because it identifies an unexplored dark side of network centrality and offers recommendations for HR managers to cope with its deleterious consequences and for scholars to study them.  相似文献   
996.
The widespread use of barcodes has significantly contributed to accurate, efficient and economic inventory management in warehouses and distribution centres. However, its efficiency has always been limited by the primary method of reading barcodes with a handheld laser scanner. Compared with this reading by line-of-sight at close proximity, vision-based barcode reading algorithms can further improve efficiency, particularly if accompanied by automated data collection platforms such as drones. This paper introduces algorithms that are able to automatically extract barcodes from video data, and verifies their feasibility and promise for inventory management in warehousing applications. Three key techniques corresponding to different recognition levels are proposed: For a known barcode region, a Harris corner detector and Hough transform-based algorithm is applied to quickly estimate the angle by which the frame area needs to rotate to orient the bars vertically for information extraction. Then, the idea of exploiting connectivity and geometry property of barcode areas is proposed to directly recognise multiple barcode regions in a single video frame to eliminate reading difficulties resulting from interactive influence of multiple juxtaposed barcodes, and to save computation time by only processing frame areas of interest for valid barcodes. In addition, a histogram difference-based fast extraction strategy is designed to further improve efficiency by reducing duplicate information processing. Finally, the performance of each technique is evaluated by analysing video data from a large logistics warehouse, demonstrating satisfactory performance in inventory management applications.  相似文献   
997.
在就跨境电商对华商网络贸易所具有的替代效应与互补效应进行理论分析的基础上,利用古诺模型分析市场均衡的结果及贸易效应,采用面板数据实证检验跨境电商对华商网络贸易的影响,结果表明跨境电商对华商网络贸易的互补效应大于替代效应:一方面,由于华商网络对出口贸易的影响尤为显著,而跨境电商平台又以出口贸易为主,从而跨境电商对华商网络出口贸易的影响较大;另一方面,跨境电商平台偏向于差异化产品贸易,因而跨境电商对差异化产品的华商网络贸易有着较大影响。也就是说,跨境电商对华商网络贸易的互补效应在出口贸易与差异化产品贸易上表现得尤为显著。  相似文献   
998.
物流成本“七宗罪”的冷思考   总被引:1,自引:0,他引:1  
肖坚 《价格月刊》2012,(4):30-36
在国际上,物流业被公认为是继原材料、劳动力之外的"第三利润源泉",是国民经济发展的动脉之一,早在20世纪60年代,美国经济学家彼得.杜克拉就预言,物流业将是各国经济增长的"黑大陆"。眼下物流成本过高,这既是一种市场乱象,又是一种管理乱象和权力乱象,针对物流成本是物流业发展"罪魁祸首"等"七宗观点"进行辩驳,以寻找促使物流业走上可持续发展轨道的对策。  相似文献   
999.
基于多层次灰色评价法的绿色物流效果评价研究   总被引:1,自引:0,他引:1  
随着现代物流快速发展,一些企业开始尝试从物流某些环节的单项技术入手实施绿色物流,但目前关于企业绿色物流效果评价的研究尚处于理论阶段,缺乏科学合理的指标对相关实践进行指导。因此,有必要构建相对完整的绿色物流效果评价指标体系,结合灰色评价与层次分析法,对企业绿色物流实施效果进行了评价。  相似文献   
1000.
This research utilizes relational network data envelopment analysis to construct a model to analyze the efficiency and effectiveness of international tourist hotels (ITHs) in Taiwan. The different production processes within the hotel are evaluated, as well as the relationships between efficiency, effectiveness, and overall performance. Finally, based on the results, we recommend ways of enhancing the overall performance of the hotel industry in Taiwan.  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