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   22287篇
  免费   196篇
财政金融   3604篇
工业经济   1115篇
计划管理   3488篇
经济学   4956篇
综合类   524篇
运输经济   72篇
旅游经济   84篇
贸易经济   5374篇
农业经济   291篇
经济概况   2354篇
信息产业经济   45篇
邮电经济   576篇
  2023年   30篇
  2021年   37篇
  2020年   73篇
  2019年   99篇
  2018年   2512篇
  2017年   2295篇
  2016年   1399篇
  2015年   180篇
  2014年   272篇
  2013年   620篇
  2012年   642篇
  2011年   2185篇
  2010年   2016篇
  2009年   1719篇
  2008年   1704篇
  2007年   2069篇
  2006年   220篇
  2005年   496篇
  2004年   622篇
  2003年   731篇
  2002年   368篇
  2001年   154篇
  2000年   147篇
  1999年   90篇
  1998年   108篇
  1997年   55篇
  1996年   100篇
  1995年   55篇
  1994年   70篇
  1993年   71篇
  1992年   70篇
  1991年   65篇
  1990年   71篇
  1989年   47篇
  1988年   46篇
  1987年   60篇
  1986年   66篇
  1985年   80篇
  1984年   73篇
  1983年   50篇
  1982年   57篇
  1981年   55篇
  1980年   49篇
  1979年   47篇
  1978年   55篇
  1977年   54篇
  1976年   51篇
  1975年   32篇
  1974年   28篇
  1969年   27篇
排序方式: 共有10000条查询结果,搜索用时 696 毫秒
71.
The demand for and supply of analysts’ opinions in this model yield an equilibrium that demonstrates how the information content of the opinions reacts to changes in exogenous parameters. The model also shows how changes in the parameters make analysts’ opinions more or less dispersed; for example, a decline in investor risk aversion, a decrease in market volatility, and an increase in information costs can lead to analysts’ opinions becoming more similar. Recognizing how exogenous factors can affect the supply and demand of analysts’ opinions gives additional insights into questions concerning what may appear to be herd behavior by analysts and also the relationship between forecast dispersion and information content. (JEL: G29, C71)  相似文献   
72.
This article examines the economic outcome of 2006 and builds a forecast for 2007–2010. The medium-term development risks of the Russian economy are analyzed.  相似文献   
73.
74.
Ohne Zusammenfassung Dipl.-Ing. (univ.) Michael Belau ist Director und Head of Rental Management Dipl.-Wirtschaftsing. (FH) Michael Schildger ist Vice President und Head of Finance Dr. Verena Sturm ist Manager Corporate Real Estate Services  相似文献   
75.
A U.S. household panel is used to estimate a model of household purchases of butter, margarine and butter/margarine blends. The econometric model accounts for the discrete purchase decisions process and the censored nature of disaggregated commodity demand. Observed market prices are "quality" adjusted for the three commodities investigated based on household and purchase characteristics. Over 90% of the reaction to a price change is found to occur with respect to the decision whether or not to consume.  相似文献   
76.
Summary. This paper defines and studies optimality in a dynamic stochastic economy with finitely lived agents, and investigates the optimality properties of an equilibrium with or without sequentially complete markets. Various Pareto optimality concepts are considered, including interim and ex ante optimality. We show that, at an equilibrium with a productive asset (land) and sequentially complete markets, the intervention of a government may be justified, but only to improve risk sharing between generations. If markets are incomplete, constrained interim optimality is investigated in two-period lived OLG economies. We extend the optimality properties of an equilibrium with land and give conditions under which introducing a pay-as-you-go system at an equilibrium would not lead to any Pareto improvement. Received: October 5, 1998; revised version: April 3, 2001  相似文献   
77.
Editorial     
  相似文献   
78.
At present, our society and its social security system are not prepared to cope with the challenges resulting from the continuous increase of life expectancy. The traditional concept of disease has to be modified for serving the special needs of the elderly. The optimistic compression of disease theory is an intriguing model, but lacks prove by available data. The anti-aging boom diverts the focus from the social and financial burden that will be unevitably caused by long-term care in the future. If there will not be an — up to now unforeseeable — breakthrough in research, particularly dementia will have an enormous impact on social cost which is often underestimated.  相似文献   
79.
Efficient Liability Rules: Complete Characterization   总被引:5,自引:0,他引:5  
Received May, 18, 2000; revised version received March, 19, 2001  相似文献   
80.
This paper examines the effects on examination performance of having a part–time job whilst in full–time post–sixteen education, using new data on young people in Northern Ireland. Around 35% engaged in part time employment during their education spell, compared to over 60% found by recent GB studies. This may be related to Northern Ireland's comparatively slack youth labour market and might reflect part–time employment levels in other peripheral regions. Our estimations suggest working part–time per se is not detrimental to examination performance, although working long hours is. Policy makers might improve educational performance by reducing incentives to work long hours.  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