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   12533篇
  免费   213篇
  国内免费   99篇
财政金融   88篇
工业经济   224篇
计划管理   7314篇
经济学   573篇
综合类   504篇
运输经济   136篇
旅游经济   109篇
贸易经济   2413篇
农业经济   881篇
经济概况   603篇
  2024年   17篇
  2023年   81篇
  2022年   176篇
  2021年   292篇
  2020年   261篇
  2019年   128篇
  2018年   128篇
  2017年   201篇
  2016年   217篇
  2015年   242篇
  2014年   1080篇
  2013年   943篇
  2012年   1118篇
  2011年   1460篇
  2010年   941篇
  2009年   788篇
  2008年   1399篇
  2007年   1116篇
  2006年   724篇
  2005年   638篇
  2004年   394篇
  2003年   188篇
  2002年   103篇
  2001年   64篇
  2000年   42篇
  1999年   23篇
  1998年   28篇
  1997年   18篇
  1996年   10篇
  1995年   7篇
  1994年   3篇
  1993年   1篇
  1992年   1篇
  1985年   1篇
  1984年   4篇
  1983年   7篇
  1982年   1篇
排序方式: 共有10000条查询结果,搜索用时 296 毫秒
1.
2.
食品安全规制涉及政府、生产者和消费者三方利益主体的博弈。已有文献主要关注政府规制对减少生产者违规概率、提升食品安全水平和消费者福利所产生的作用。本文从生产者福利视角考察企业参与食品安全规制是否存在“收益率溢价”效应,以此对中国食品安全规制的间接效果进行实证检验。首先采用倾向得分匹配模型考察食品安全规制对企业资产收益率的平均影响效应,然后采用广义倾向得分匹配模型和门槛模型进一步考察不同规制强度与企业资产收益率的非线性关系。研究表明,当前食品安全规制对参与规制企业产生了“收益率溢价”的间接效果,但随着规制强度的扩展,企业资产收益率呈现先上升后下降的“倒U型”变化,具有显著的双重门槛特征,当企业持有4项质量认证证书时为“最优规制强度”。最后结合当前中国实际,解释了上述结论产生的原因及政策含义。  相似文献   
3.
Growing urbanisation in South Africa is reflected in burgeoning Working class and informal township settlements on the fringes of its major towns and cities. Paired with this is an increasing reliance on cash as the primary means of economic transaction, which has in turn stimulated the growth of micro-enterprise business activities within the township context. This article discusses the findings of an eight-township small-area census which occurred between 2010 and 2013 in Cape Town, Johannesburg, Ekurhuleni and Durban townships representing 250 000 residents. The researchers were able to establish the scope and scale of informal food and drink retailing in these localities. Of the 10 049 micro-enterprises located in the study, some 3966 (or 39% of the total) trade in food. These include enterprises in primary production, fresh produce retailing, grocery retailing from house and spaza shops, and informal foodservice enterprises. Food is the basis for much township informal business and plays an important role in making food increasingly affordable and locally accessible, and in creating cash employment. The article builds on the knowledge base of the township informal economy role in bolstering food security needs for the marginalised.  相似文献   
4.
Upgrading in global value chains (GVCs) is an important path for developing countries to move along to capture higher benefits. Several qualitative studies of GVCs have identified two main upgrading types: economic (product, process, functional, and inter-sectoral) and social upgrading. The upgrading concept is widespread in productive sectors such as processed food, which has become a key export for developing countries. However, they have confronted multiple product standards required by global buyers. This study uses a case study of Thailand’s processed food exports (TPFEs). Although Thailand is a leading exporter of processed food, the country needs to upgrade in many areas related to production to meet global product standards and requirements. If Thailand fails to comply with global product standards, it will lose its export competitiveness. This study uses a gravity model to evaluate the impact of economic and social upgrading (EUP and SUP) on TPFEs. Our results show that upgrading types are significant in TPFEs, particularly for exports to developed countries. Process upgrading has a negative impact on TPFEs because of increased production costs to comply with product standards. However, process upgrading can lead to increased producers’ and exporters’ knowledge about how to comply with international standards. Consequently, process upgrading exhibits a lagged positive effect on TPFEs.  相似文献   
5.
杨天雨  周玉新 《物流科技》2021,(2):44-45,55
随着互联网的快速发展,我国的手机愈发成为一部掌上电脑,通过手机进行外卖订餐已经成为现代高校大学生的日常状态,外卖的物流配送大大改变了学生的生活饮食方式。但是高校周围的外卖物流配送也容易导致很多问题,影响大学生的生活。针对高校外卖的特殊性,文章以互联网下逐渐形成的O2O模式来研究高校外卖物流配送的现状与发展,并且针对存在的问题提出相关建议。  相似文献   
6.
Drone food delivery services play a significant role in protecting the environment, because the services are operated by batteries that can be charged with electricity. Therefore, this study tried to examine a green image in the context of drone food delivery services. More specifically, this study proposed that a green image of drone food delivery services plays an important role in the formation of attitude toward using the services. In addition, it was hypothesized that the attitude has a positive influence on behavioral intentions including intentions to use, word‐of‐mouth intentions, and willingness to pay more. Lastly, the moderating role of gender and age was proposed during the theory‐building process. A theoretical model, which included 12 hypotheses, was developed and tested using a total of 427 samples collected in Korea. The data analysis results showed that a green image of drone food delivery services has a positive influence on attitude toward using the services, which in turn positively affects three subdimensions of behavioral intentions. Furthermore, gender and age played partly as a moderator. The current paper was the first to study the green image of drone food delivery services, so the findings of this study mean a lot to the theoretical aspect.  相似文献   
7.
Abstract

The detrimental effects traditionally assigned to warfare in the development of pre-industrial economies have obscured the prominent role that military entrepreneurs played in economic development in this period. Historiography minimises the extent to which war and the concomitant strengthening of the central state provided a whole new range of opportunities for capital investment, a tendency that has been strengthened by the paradigm of Redlich’s ‘decline of the soldier-entrepreneur’ and the technological determinism of the debate on the Military Revolution among others. The aim of this introduction is to look into the background of this relative lack of interest and to reaffirm the mutual dependence of eighteenth-century state-formation and the business of war.  相似文献   
8.
物流园区工商业态的不同而产生的不同的物流需求,再加上交通条件和运输方式的差别,使物流园区在功能上具有不同类型.成都市四大物流园区具有不同的工商业基础和交通条件,应发挥各自的区位优势,进行正确的功能定位,以错位发展实现互补共赢.  相似文献   
9.
以创新创业基地建设促进物流实验室发展   总被引:2,自引:0,他引:2  
该文主要阐述了怎样通过建设一个创新创业基地的架构,即管理思路、组织原则、创新流程等一系列实验室管理模式,来提供给管理类大学生一个得到实践锻炼的良好平台,同时也促进管理类专业实验室合理有效的管理。  相似文献   
10.
高校后勤财务管理存在资产流失严重、收入与成本费用核算不够规范、财务管理制度不够完善、工作效率不高等问题,应采取理顺关系、改变观念、建章立制、规范管理、转变职能、加强队伍建设等措施予以完善。  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