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   24793篇
  免费   740篇
财政金融   4873篇
工业经济   2234篇
计划管理   4272篇
经济学   5241篇
综合类   237篇
运输经济   240篇
旅游经济   462篇
贸易经济   3879篇
农业经济   1249篇
经济概况   2838篇
信息产业经济   1篇
邮电经济   7篇
  2023年   120篇
  2021年   181篇
  2020年   325篇
  2019年   450篇
  2018年   556篇
  2017年   555篇
  2016年   527篇
  2015年   383篇
  2014年   604篇
  2013年   2724篇
  2012年   764篇
  2011年   808篇
  2010年   756篇
  2009年   906篇
  2008年   823篇
  2007年   696篇
  2006年   688篇
  2005年   582篇
  2004年   573篇
  2003年   593篇
  2002年   554篇
  2001年   513篇
  2000年   550篇
  1999年   492篇
  1998年   451篇
  1997年   478篇
  1996年   410篇
  1995年   398篇
  1994年   382篇
  1993年   405篇
  1992年   367篇
  1991年   374篇
  1990年   344篇
  1989年   314篇
  1988年   289篇
  1987年   284篇
  1986年   286篇
  1985年   402篇
  1984年   406篇
  1983年   395篇
  1982年   330篇
  1981年   299篇
  1980年   333篇
  1979年   280篇
  1978年   236篇
  1977年   225篇
  1976年   202篇
  1975年   164篇
  1974年   160篇
  1973年   154篇
排序方式: 共有10000条查询结果,搜索用时 14 毫秒
91.
专门化、多样化和中国地区工业产业增长的关系   总被引:18,自引:2,他引:16  
本文通过分析中国29个省(除西藏外)的30个工业产业在1988-1997期间的数据。揭示了工业结构和经济增长之间的关系。本文除研究了传统的生产要素的影响外,重点探讨了产业专门化、专业多样化、竞争度和一省发展的初始水平等因素的作用。结果表明,一个产业外部工业环境的多样性和产业内的竞争度有利于产业的增长,但产业专门影响为负。工业结构对于增长的影响在很大程度上依赖于产业的性质及其地理位置。  相似文献   
92.
93.
This paper investigates interactions between exporting and productivity at the firm level, using a panel of firms in the UK chemical industry. This is both highly technology intensive and the UK’s largest exporting sector. We find exporters are more productive than non-exporters, but are also on average smaller. This superior productivity performance among exporters appears to be caused by both self-selection and learning-by-exporting effects. In contrast to other studies, we find learning effects are significantly positive among new entrants, weaker for more experienced exporters and negative for established exporters. JEL no. F14, D21, L65  相似文献   
94.
95.
Diversification Categories in Investment Real Estate   总被引:3,自引:0,他引:3  
This paper continues previous work evaluating the benefits of diversification and analyzes the various dimensions within the commercial real estate opportunity set. The database is large and extends through the 1982 downturn in property values. Due to the low levels of systematic risk, current distinctions by region and property type make little sense in a world of costly diversification. More exacting categories combining property type, SMSA growth rate and lease maturity offer promise for more efficient diversification within the real estate portfolio.  相似文献   
96.
The UK gas industry has undergone major changes since it was privatised in 1986 as a fully integrated monopoly. The most significant of these has occurred not as a result of the privatisation legislation but by the intervention of the ordinary competition authorities in support of an active industry regulator. While price capping continues to be used as the primary instrument for welfare protection against the still substantial monopolistic powers of the incumbent, new competition (which has been positively encouraged) has had the greater impact on prices and choice. Recently, however, the regulator has encouraged the use of auctions for the sale of storage capacity. This paper considers the merits of auctions and makes a tentative evaluation of their effectiveness. Further use of auctions is recommended but reserve prices are considered inappropriate where monopoly power still remains.  相似文献   
97.
We examine income distributions over the last two decades, presenting both non-parametric kernel density estimates and summary measures. Standard errors of summary measures are also reported to facilitate statistical inference. We find a significant increase in private income inequality, but only a modest increase in disposable income inequality, implying an increase in the inequality-reducing effects of income taxes and transfers. Using a semi-parametric procedure developed by DiNardo et al. (1996), we then examine the effects of changes in family characteristics on the distribution of private income, finding that half the increase in inequality is explained by changes in the distribution of employment.  相似文献   
98.
Tort reform of the motor accident insurance compensation scheme in the Australian state of New South Wales in 1999 came about as a result of an untested experiment in regulatory negotiation. This article is a first-hand account of the successful attempt to craft a consensual modification of the scheme through deliberations among a working group of service provider representatives. The author, a Canadian lawyer, investigated the prospects for change, acted as chief negotiator, and observed the legislative process that led to the final law reform.  相似文献   
99.
Betting markets provide an ideal environment in which to examinemonopoly power due to the availability of detailed information on product pricing. In this paper we argue that the pricing strategies of companies in the U.K. betting industry are likely to be an important source of monopoly rents, particularly in the market for forecast bets. Pricing in these markets are shown to be explicitly coordinated. Further, price information is asymmetrically biased in favor of producers. We find evidence, based on U.K. data, that pricing of CSF bets is characterized by a significantly higher markup than pricing of single bets. Although this differential can in part be explained by the preferences of bettors, it is reasonable to attribute a significant part of the differential as being due to monopoly power.  相似文献   
100.
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