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   23533篇
  免费   419篇
财政金融   4285篇
工业经济   1716篇
计划管理   3891篇
经济学   4961篇
综合类   182篇
运输经济   132篇
旅游经济   352篇
贸易经济   3592篇
农业经济   1205篇
经济概况   3567篇
信息产业经济   1篇
邮电经济   68篇
  2020年   211篇
  2019年   330篇
  2018年   445篇
  2017年   448篇
  2016年   439篇
  2015年   300篇
  2014年   482篇
  2013年   2090篇
  2012年   659篇
  2011年   666篇
  2010年   564篇
  2009年   627篇
  2008年   651篇
  2007年   556篇
  2006年   523篇
  2005年   463篇
  2004年   434篇
  2003年   448篇
  2002年   452篇
  2001年   414篇
  2000年   447篇
  1999年   451篇
  1998年   414篇
  1997年   376篇
  1996年   380篇
  1995年   351篇
  1994年   355篇
  1993年   379篇
  1992年   381篇
  1991年   382篇
  1990年   343篇
  1989年   335篇
  1988年   280篇
  1987年   285篇
  1986年   290篇
  1985年   477篇
  1984年   440篇
  1983年   395篇
  1982年   387篇
  1981年   375篇
  1980年   368篇
  1979年   370篇
  1978年   318篇
  1977年   310篇
  1976年   278篇
  1975年   267篇
  1974年   235篇
  1973年   234篇
  1972年   190篇
  1971年   171篇
排序方式: 共有10000条查询结果,搜索用时 10 毫秒
11.
12.
The paper seeks to evaluate the evidence on the employment effectsof the collective working-time reductions in Europe over thepast 20 years. While theoretical analyses produce contradictoryassessments, most empirical studies show positive employmenteffects but take insufficient account of these conditions underwhich the reductions in working time were implemented. Theseconditions for the success of collective working-time reductionsinclude an active training policy designed to minimise skillshortages in the labour market, the modernisation of work organisation,wage increases in conjunction with productivity gains and amore equal income distribution.  相似文献   
13.
14.
15.
北极冰川融化将使跨北极通航成为可能,运输公司可减少40%的航运距离。马六甲海峡也将不再垄断国际通运。国际经济将进一步融合。  相似文献   
16.
This paper considers a two‐party election with a single‐dimensional policy space. We assume that each voter has a higher probability of observing the position of the party he is affiliated with than the position of the other party, an assumption that is consistent with the National Election Studies (NES) electoral data set. In equilibrium, the two parties locate away from the median, because the voters who dislike a party's platform observe its policy choice with a lower probability, and its own audience like policy choices that cater to its taste. As the asymmetry in voter information or the cost of voting increases, the parties adopt more extreme platforms, while if there are fewer extreme voters the opposite effect occurs. Making voters more symmetrically informed about the two parties' platforms increases the welfare of society, while asymmetric information acquisition by the voters is worse than no information acquisition at all.  相似文献   
17.
Two of the main forces driving European emigration in the late nineteenth century were real wage gaps between sending and receiving regions and demographic booms in the low‐wage sending regions. Our new estimates of net migration for the countries of sub‐Saharan Africa show that exactly the same forces driving African across‐border migration are at work today. The results suggest that rapid growth in the cohort of potential young emigrants, population pressure on the resource base, and slow economic growth are likely to intensify the pressure for migration out of Africa and into high‐wage OECD countries over the next two decades.  相似文献   
18.
Linear predictability of stock market returns has been widely reported. However, recently developed theoretical research has suggested that due to the interaction of noise and arbitrage traders, stock returns are inherently non‐linear, whereby market dynamics differ between small and large returns. This paper examines whether an exponential smooth transition threshold model, which is capable of capturing this non‐linear behaviour, can provide a better characterization of UK stock market returns than either a linear model or an alternate non‐linear model. The results of both in‐sample and out‐of‐sample specification tests support the exponential smooth transition threshold model and hence the belief that investor behaviour does differ between large and small returns.  相似文献   
19.
Much of the discussion about banking and commerce in America has failed to make several crucial distinctions and has not accounted for many arrangements that have promoted the mixing of these activities. We investigate the history of banking and commerce in the United States, looking both at bank control of commercial firms and commercial firms' control of banks. We trace how these controls have changed with shifting definitions of "bank" and changing methods of "control." Despite the regulations prohibiting some arrangements that promote financial control, we find evidence of extensive linkages between banking and commerce in the United States. These linkages usually build on devices that are very close substitutes to the arrangements prohibited by law. Altogether, our findings question the often made claim that traditionally banking in the United States has been separated from commerce. Furthermore, given that research on Japan and Germany has shown that the mixing of banking and commerce matters for a variety of issues, our evidence also raises some questions on similar research in the United States which makes the simplifying assumption that these industries are separated.  相似文献   
20.
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