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   6853篇
  免费   317篇
财政金融   1135篇
工业经济   337篇
计划管理   1323篇
经济学   1670篇
综合类   77篇
运输经济   104篇
旅游经济   122篇
贸易经济   1215篇
农业经济   274篇
经济概况   910篇
邮电经济   3篇
  2023年   66篇
  2022年   58篇
  2021年   79篇
  2020年   153篇
  2019年   197篇
  2018年   362篇
  2017年   394篇
  2016年   338篇
  2015年   177篇
  2014年   283篇
  2013年   957篇
  2012年   279篇
  2011年   226篇
  2010年   279篇
  2009年   269篇
  2008年   227篇
  2007年   208篇
  2006年   182篇
  2005年   128篇
  2004年   140篇
  2003年   132篇
  2002年   108篇
  2001年   89篇
  2000年   101篇
  1999年   82篇
  1998年   90篇
  1997年   53篇
  1996年   76篇
  1995年   66篇
  1994年   67篇
  1993年   58篇
  1992年   65篇
  1991年   65篇
  1990年   63篇
  1989年   38篇
  1988年   33篇
  1987年   48篇
  1986年   42篇
  1985年   73篇
  1984年   72篇
  1983年   43篇
  1982年   50篇
  1981年   50篇
  1980年   54篇
  1979年   49篇
  1978年   53篇
  1977年   51篇
  1976年   45篇
  1975年   35篇
  1969年   29篇
排序方式: 共有7170条查询结果,搜索用时 156 毫秒
1.
Portuguese Economic Journal - A set of RLS-type models with ARMA and ARFIMA dynamics is estimated and compared in a forecasting exercise with ARFIMA, GARCH and FIGARCH models. It is an extension of...  相似文献   
2.
Journal of Economic Interaction and Coordination - This paper explores a situation in which a population split into two groups attempts to achieve the socially efficient outcome of a coordination...  相似文献   
3.
This paper studies the effect of station density on prices in the retail gasoline market in the Czech Republic. We estimate the impact of the number of competing stations in various driving-distance ranges around each station on prices. We find that station density has a negative effect on prices; the effect decreases with distance and is statistically significant up to six kilometers. This suggests that the retail gasoline market is local rather than national.  相似文献   
4.
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   
5.
Journal of Financial Services Marketing - Purpose: The aim of this paper is to evaluate the success of a value proposition over time, considering two aspects: customer’s perceived value and...  相似文献   
6.
Sapir  André  Schraepen  Tom  Tagliapietra  Simone 《Intereconomics》2022,57(3):175-178
Intereconomics - Public procurement amounts to around 14% of European Union GDP and, given this size, could well represent an important tool to foster the green transition. However, green public...  相似文献   
7.
Quality & Quantity - Family firms (FFs) are the backbone of entrepreneurial fabric in many countries. Management of such businesses is complex because of their features: the overlap between...  相似文献   
8.
An axiomatic approach is applied to the problem of extracting a ranking of the alternatives from a pairwise comparison ratio matrix. The ordering induced by row geometric mean method is proved to be uniquely determined by three independent axioms, anonymity (independence of the labelling of alternatives), responsiveness (a kind of monotonicity property) and aggregation invariance, which requires the preservation of group consensus, that is, the pairwise ranking between two alternatives should remain unchanged if unanimous individual preferences are combined by geometric mean.  相似文献   
9.
Various aspects of sustainable development and quality of life are considered, including the impact of standardization. Particular attention is paid to the study of the role played by standardization in improving environmental protection. In this connection the significance of standardization is shown as a factor of improving the technological potential of an enterprise and the quality of life. Various approaches to methods for assessing the effective impact of standardization on the quality of life are analyzed.  相似文献   
10.
The general consensus in the volatility forecasting literature is that high-frequency volatility models outperform low-frequency volatility models. However, such a conclusion is reached when low-frequency volatility models are estimated from daily returns. Instead, we study this question considering daily, low-frequency volatility estimators based on open, high, low, and close daily prices. Our data sample consists of 18 stock market indices. We find that high-frequency volatility models tend to outperform low-frequency volatility models only for short-term forecasts. As the forecast horizon increases (up to one month), the difference in forecast accuracy becomes statistically indistinguishable for most market indices. To evaluate the practical implications of our results, we study a simple asset allocation problem. The results reveal that asset allocation based on high-frequency volatility model forecasts does not outperform asset allocation based on low-frequency volatility model forecasts.  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