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   8561篇
  免费   217篇
财政金融   1916篇
工业经济   639篇
计划管理   1295篇
经济学   1924篇
综合类   145篇
运输经济   50篇
旅游经济   129篇
贸易经济   1705篇
农业经济   336篇
经济概况   635篇
邮电经济   4篇
  2023年   38篇
  2021年   62篇
  2020年   108篇
  2019年   159篇
  2018年   139篇
  2017年   140篇
  2016年   162篇
  2015年   131篇
  2014年   159篇
  2013年   890篇
  2012年   257篇
  2011年   282篇
  2010年   254篇
  2009年   297篇
  2008年   295篇
  2007年   282篇
  2006年   289篇
  2005年   280篇
  2004年   246篇
  2003年   264篇
  2002年   231篇
  2001年   190篇
  2000年   186篇
  1999年   170篇
  1998年   179篇
  1997年   153篇
  1996年   152篇
  1995年   137篇
  1994年   137篇
  1993年   132篇
  1992年   141篇
  1991年   116篇
  1990年   102篇
  1989年   91篇
  1988年   79篇
  1987年   105篇
  1986年   98篇
  1985年   166篇
  1984年   146篇
  1983年   159篇
  1982年   106篇
  1981年   115篇
  1980年   105篇
  1979年   101篇
  1978年   98篇
  1977年   119篇
  1976年   96篇
  1975年   75篇
  1974年   50篇
  1973年   62篇
排序方式: 共有8778条查询结果,搜索用时 531 毫秒
61.
62.
当今的全球经济中,“中国价格”正在不断影响产品的生产区域和方式。中国具有丰富的劳动力资源以及低成本的生产结构。仅仅使用在其他国家生产产品的一小部分成本,就可以在中国生产出“中国制造”的产品。全世界的消费者当然希望能够获得更低的价格。  相似文献   
63.
64.
We develop a method for determining the significance of the effect of a certain event (stock split, corporate restructuring, change in regulation, etc.) on unsystematic volatility of asset returns. Simulations show that the suggested tests reject the true null hypothesis of no effect on volatility at appropriate levels, whereas the rejection rates of a false null hypothesis increase with the magnitude of the effect. An application of the method to corporate spin‐offs reveals statistically significant and long‐lasting estimated increases in unsystematic volatility of parent companies' returns.  相似文献   
65.
2008年,亚太货币兑美元汇率可能进一步走高,连较小国家的货币也将给投资者带来希望。  相似文献   
66.
Social capital is a person or group's sympathy for or sense of obligation to another person or group. This article introduces social capital into a neoclassical model of farmland exchange and shows how relationships alter the terms of trade. Empirical evidence from a survey of farmers shows that the type of relationship farmland sellers have with farmland buyers has a statistically significant and economically important effect on the minimum-sell price for farmland. Compared to the minimum-sell price when selling to a total stranger in an arm's-length transaction, farmland sellers discount prices to friendly neighbors and relatives and require a premium from unfriendly neighbors and influential people in the community.  相似文献   
67.
In the 1980s a number of large corporations restructured their diversified businesses through divestitures. It is hypothesized that restructuring activity focused on firms at intermediate levels of diversification (e.g., related-linked) which have a mixture of related and unrelated business units. Results confirm this hypothesis which explains that such mixed corporate strategies create organizational and control inefficiencies in managing both related and unrelated types of business units. Restructured firms were also found to move towards two types of different internal capital markets (related and unrelated). Most restructuring firms moved toward lower levels of diversification (e.g., related-constrained), although some moved toward higher levels of diversification (e.g., unrelated business). Also, this study finds restructuring firms that changed their corporate strategy by reducing diversified scope increased their R&D intensity. Firms that restructured and increased their diversified scope decreased R&D intensity. This result suggested a partial substitution between diversification and R&D activity.  相似文献   
68.
Stop and Go Agricultural Policies with a Land Market   总被引:1,自引:0,他引:1  
This article studies the design of farm policy in the presence of asymmetric information about farmers' productivity, a government objective to insure farmers a minimum "parity" income, an endogenous land rent, and diminishing returns on alternative (nonprogram crop) land uses. In this setting, acreage set asides are never part of an optimal farm policy, although compensated acreage limits are. When there are new farmer entrants who cannot be excluded from farm programs, optimal policy takes the form of a pure voluntary acreage limitation—or "buyout"—program in which high-cost producers participate and low-cost producers do not.  相似文献   
69.
The introduction of unspanned sources of risk (and frictions) implies that option prices include a risk premium. Prima facie evidence of the existence of risk premia in option prices is contained in the implied volatility smile patterns reported in the literature. This article isolates the risk premium (defined as the simple difference between estimated and observed option prices) on options on U.K. Gilts, German Bunds, and U.S. Treasury bond futures using models that include price jumps and stochastic volatility. This study finds that single and multi‐factor stochastic volatility models with jumps may explain the empirical regularities observed in bond futures. © 2003 Wiley Periodicals, Inc. Jrl Fut Mark 23:169–215, 2003  相似文献   
70.
Collaborative arrangements among members of the supply chain have received a great deal of interest in recent years as a means of reducing costs. One such arrangement is vendor managed inventory (VMI). VMI allows the vendor to make decisions concerning the quantity and timing of deliveries to the retailer. Such an arrangement offers the potential of a more efficient supply chain by removing the negative effects of retail ordering policies. A thorough review of the literature was conducted to identify factors likely to impact the performance of a VMI partnership. Computer simulation was used to study the effects of these factors from both the vendor's and retailer's perspectives. The results lend insight into the performance of VMI and guidance for managers as to the environments in which VMI is most effective.  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