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   4802篇
  免费   165篇
  国内免费   1篇
财政金融   983篇
工业经济   346篇
计划管理   859篇
经济学   1082篇
综合类   36篇
运输经济   67篇
旅游经济   61篇
贸易经济   947篇
农业经济   204篇
经济概况   354篇
信息产业经济   1篇
邮电经济   28篇
  2023年   43篇
  2022年   30篇
  2021年   54篇
  2020年   103篇
  2019年   172篇
  2018年   166篇
  2017年   205篇
  2016年   190篇
  2015年   139篇
  2014年   200篇
  2013年   593篇
  2012年   236篇
  2011年   243篇
  2010年   210篇
  2009年   235篇
  2008年   182篇
  2007年   168篇
  2006年   143篇
  2005年   138篇
  2004年   121篇
  2003年   106篇
  2002年   102篇
  2001年   118篇
  2000年   90篇
  1999年   69篇
  1998年   63篇
  1997年   69篇
  1996年   59篇
  1995年   48篇
  1994年   42篇
  1993年   38篇
  1992年   35篇
  1991年   40篇
  1990年   36篇
  1989年   23篇
  1988年   25篇
  1987年   19篇
  1986年   33篇
  1985年   31篇
  1984年   32篇
  1983年   35篇
  1982年   35篇
  1981年   24篇
  1980年   26篇
  1979年   20篇
  1978年   32篇
  1977年   29篇
  1976年   23篇
  1975年   19篇
  1974年   16篇
排序方式: 共有4968条查询结果,搜索用时 15 毫秒
51.
This paper develops constant-quality price indices for three categories of real estate-apartment buildings, vacant land, and condominiums—for the city of Geneva, Switzerland. We use both the hedonic and repeat sales models to estimate the price level and, in turn, the rate of price change. The general pattern of each series suggests that real estate prices in Geneva were fairly stable throughout the 1970s, increased sharply during the 1980s, but gave back some of these gains in the early 1990s. Interestingly, the sharp rise in prices in the second half of the 1980s is very similar to that found in some regions of the United States. We also consider the problem, implicit in the repeat sales method, of revisions in previously estimated price indices as additional data become available in later years.  相似文献   
52.
We analyze the impact of monetary policy on inflation, interest rates and exchange rates in a model with segmented asset markets developed by Grossman and Weiss (1983) and Rotemberg (1984, 1985). We find parameters for which real and nominal exchange rates in this model are (1) much more volatile than interest rates, inflation rates, and money growth rates, (2) highly correlated with each other, and (3) highly persistent. While this model fails to match the data in other important respects, it illustrates a potentially useful approach to modelling exchange rate behavior.  相似文献   
53.
54.
Many central banks in many time periods have sought to avoid interest rate reversals, but at present there is no good explanation of this phenomenon. Our analysis identifies a new learning cost associated with reversing the interest rate. In a standard monetary model with forward-looking expectations, data uncertainty and parameter uncertainty, a policy that frequently reverses the interest rate makes learning the key parameters of the model more difficult. Optimal monetary policy internalises this learning cost and therefore has a lower number of interest rate reversals.  相似文献   
55.
While there is increasing evidence that involving suppliers in new product development (NPD) is important, and for many firms even inevitable, there is also evidence that not all such efforts are successful. Firms aiming at implementing this strategy effectively have to pay close attention to several contingency factors on the organizational level and properly manage supplier involvement on the project level. The exploratory case study research underlying this article explores key issues to be considered when involving suppliers in NPD and the counter measures they can take. Our research shows that companies differentiate between so-called “know-how” and “capacity” projects, and that they manage them differently. Furthermore, this research shows that firms outside the automotive and high-tech manufacturing industries are likely to intensify supplier involvement in the future.  相似文献   
56.
Profiles of inventors' technological competence are a valuable source of information for decision-making in research and development (R&D) management, e.g. concerning inventor assessment, human resource development and R&D team-building. In the following exposition, a new method of inventor profiling will be put forward, which is based in particular on semantic patent analysis and multidimensional scaling. First, in the course of semantic patent analysis, specialized software, equipped with a natural language processor, reads the patent text transferring the contents into a subject–action–object–format (SAO). The extracted SAO structures are then used to create similarity matrices for patents or patent sets, respectively, according to a specific similarity value. Subsequently, an inventor competence map can be produced by means of multidimensional scaling.
The benefits of this method for R&D-related issues in human resource management will be illustrated by the example of a German mechanical engineering company. Two distinct types of profiles were generated and tested: (i) the profile of a single key inventor and (ii) a profile of key inventor sets. The single key inventor profile gives information on the range of competence, i.e. the homogeneity or heterogeneity of a certain inventor's competences, providing far more detailed insights than resorting to bibliographic data like international patent classification (IPC) classes or citations, whereas the latter kind of profile establishes the position of a certain key inventor in relation to others, helping to highlight specific groups of inventors and their domains. These results are clearly apt to support human resource management.  相似文献   
57.
The current climate of fiscal austerity has seen a resurgence in ‘complementary currencies’ as local and regional governments look for ways to use under-utilized assets, maintain employment and avoid local economic decline. The authors explore how local and regional governments can facilitate complementary currencies to reduce the impact of external economic shocks and enable their economies to continue to function in the face of austerity. They recommend that localities consider participating in existing complementary currency ‘circles’.  相似文献   
58.
Management Review Quarterly - Sustainability-oriented CEO compensation is being widely discussed among policy makers, corporate practice, and academia. To date, management literature has yielded a...  相似文献   
59.
ABSTRACT

Infrastructure is commonly conceptualized as a set of facilities that play a critical role in facilitating activities by individuals and organizations. Conventionally, infrastructure is tightly linked to publicly funded projects that facilitate access to key resources and enable diverse activities. Within entrepreneurial clusters research, infrastructure includes universities, research institutions and telecommunication technologies that facilitate entrepreneurial activities. These capital-intensive investments seek to facilitate start-ups emergence by aiding access to markets and development of ideas. Accelerators facilitate the same activities and have only recently been conceptualized as start-up infrastructure. This study builds upon this research stream by elaborating on how accelerators can play this meaningful role at the cluster level. Specifically, and by relying on the analysis of empirical evidence from three distinct studies, we uncover how accelerators provide tangible and intangible dimensions of start-up infrastructure to form a positively reinforcing cycle of entrepreneurial activities. Additionally, our findings allow us to push further the idea that start-up infrastructure development can be an endogenous process involving multiple actors within the cluster. Our empirical findings and the theoretical insights derived from them have meaningful implications for the aforementioned literature, as well as start-up practitioners and policymakers linked to the funding of entrepreneurial clusters.  相似文献   
60.
A new approach to allocate environmental responsibility, the ‘value added-based responsibility’ allocation, is presented in this article. This metric allocates total environmental pressures occurring along an international supply chain to the participating sectors and countries according to the share of value added they generate within that specific supply chain. We show that – due to their position in global value chains – certain sectors (e.g. services) and countries (e.g. Germany) receive significantly greater responsibility compared to other allocation approaches. This adds a new perspective to the discussions concerning a fair distribution of mitigation costs among nations, companies and consumers.  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