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   10230篇
  免费   280篇
财政金融   1977篇
工业经济   967篇
计划管理   1681篇
经济学   2335篇
综合类   130篇
运输经济   80篇
旅游经济   200篇
贸易经济   1784篇
农业经济   542篇
经济概况   810篇
信息产业经济   2篇
邮电经济   2篇
  2023年   52篇
  2021年   48篇
  2020年   120篇
  2019年   156篇
  2018年   169篇
  2017年   200篇
  2016年   204篇
  2015年   138篇
  2014年   208篇
  2013年   1337篇
  2012年   271篇
  2011年   387篇
  2010年   265篇
  2009年   327篇
  2008年   309篇
  2007年   319篇
  2006年   321篇
  2005年   296篇
  2004年   270篇
  2003年   297篇
  2002年   294篇
  2001年   256篇
  2000年   221篇
  1999年   222篇
  1998年   230篇
  1997年   214篇
  1996年   177篇
  1995年   161篇
  1994年   150篇
  1993年   171篇
  1992年   151篇
  1991年   150篇
  1990年   126篇
  1989年   112篇
  1988年   108篇
  1987年   92篇
  1986年   114篇
  1985年   174篇
  1984年   191篇
  1983年   147篇
  1982年   151篇
  1981年   146篇
  1980年   155篇
  1979年   150篇
  1978年   104篇
  1977年   105篇
  1976年   98篇
  1975年   71篇
  1974年   97篇
  1973年   53篇
排序方式: 共有10000条查询结果,搜索用时 831 毫秒
101.
The primary purpose of this research was to investigate the effect of investment in information technology in a supply chain. The results of that investigation are presented by focusing on an empirically tested supply chain relationship model containing both behavioral and operational constructs. The four behavioral constructs represented in the model are relationship trust, relationship commitment, relationship dependence, and long‐term relationship orientation. The four operational constructs represented in the model are retailer investment in interorganizational information technology, perceived supplier investment in interorganizational information technology, logistics efficiency, and logistics effectiveness. Among other findings, the results of the investigation found that perceived supplier investment in interorganizational information technology has a significant and positive effect on logistics efficiency.  相似文献   
102.
Close relationships between and among supply chain members are becoming more prevalent. However, there is lack of agreement in the literature and in practice concerning the characteristics of different interorganizational relationships. The resultant confusion is an obstacle to the progression of research and could cause problems among firms in a supply chain. Based on previous research and an exploratory study conducted with company executives responsible for supply chain management activities, this article seeks to introduce the concept of relationship magnitude (i.e., the extent or degree of closeness or strength of the relationship) and differentiate it from relationship type (i.e., classes of relationships that share common traits). Implications for managers and opportunities for future research are provided.  相似文献   
103.
This paper combines insights from the literature on the economics of organisation with traditional models of market structure to construct a theory of equilibrium firm size heterogeneity under the assumption of a homogenous product industry. It is possible that configurations consisting entirely of small firms (run by entrepreneurs with limited attention) and with larger firms (using managerial techniques to substitute away these limits to allow increasing returns technologies to become profitable) can arise in equilibrium. However, there also exist equilibrium configurations with the co-existence of large and small firms. The efficiency properties of these respective equilibria are discussed. Finally, the implications of an expanding market size are considered.  相似文献   
104.
A model to simulate the costs and returns of an individual dairy cow over 14 years under various assumptions of genetic potential, health status and management was developed especially to evaluate the effects of diseases that reduce production and reproduction efficiency and to evaluate alternative management interventions. Data were collected from the Food Animal Health Resource Management System (FAHRMX), Today's Electronic Planning (TELPLAN), Today's Electric Farm Accounting (TELFARM) databases and secondary sources at Michigan State University. A case study of cystic ovaries was analysed using the model. The results showed that it is more economical to treat cystic ovaries than not to treat, and treatment with Gonadotropin Releasing Hormone (GNRH) was superior to Human Chrionic Gonadotropin (HCG). Four to five lactations were the optimum for keeping a dairy cow to replacement and it was estimated that there is a loss of US$0.45 per day of extended calving interval (days open beyond the optimal 70 days).  相似文献   
105.
106.
107.
108.
In a recent Commentary in The International Executive (1992), Rüdiger Pieper complained that some, if not many of the (American) teachers in the new European business training institutes and schools knew relatively little about the cultures for which they were making management proposals. Further, the proposals themselves, based as they often were on American research, could not, he rightly felt, be directly applied to a business problem regardless of context. One could extend that observation to other business activities, including attitudes toward work. In particular, it would be useful to consider the “work ethic,” as it applies to Americans working abroad, and inquire about how it might affect international executives when they come to America.  相似文献   
109.
This paper examines the return of the original class of common stock around the announcement of the creation of a second class of stock. As in previous studies, this one finds a generally ambiguous market reaction on the first public announcement. However, this paper offers new evidence that both the voting rights and the compensation for loss of voting rights are important determinants of the market's reaction. Specifically, it demonstrates that a second class stock issue that contains no compensation for the lost voting rights results in negative returns. When the original stockholders are compensated for lost voting rights, they experience positive abnormal returns.  相似文献   
110.
This paper challenges the common view that mature industries are always ripe for global strategies. Based on data from the European Domestic Appliance industry, this paper shows how changing economic conditions can diminish the value of global strategies. Critical in these shifts were simultaneous rises in demand for variety (that eroded the benefits of scale and continental market share) and decreases in manufacturing scale (that permitted new supply options), which reduced the extent of the strategic market to national dimensions. They added complexity that decreased the profitability of the global players and increased that of national strategies. The fluctuating fortunes of leading firms are shown to have been caused primarily by choices of strategy, not by national factor costs.  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