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   134923篇
  免费   3843篇
  国内免费   1篇
财政金融   25474篇
工业经济   11562篇
计划管理   21523篇
经济学   28824篇
综合类   1435篇
运输经济   963篇
旅游经济   2497篇
贸易经济   23350篇
农业经济   6075篇
经济概况   16795篇
信息产业经济   7篇
邮电经济   262篇
  2021年   840篇
  2020年   1626篇
  2019年   2376篇
  2018年   2290篇
  2017年   2483篇
  2016年   2682篇
  2015年   2094篇
  2014年   3415篇
  2013年   15298篇
  2012年   4179篇
  2011年   4100篇
  2010年   3678篇
  2009年   4286篇
  2008年   3891篇
  2007年   3191篇
  2006年   3567篇
  2005年   3555篇
  2004年   3089篇
  2003年   2861篇
  2002年   2840篇
  2001年   2589篇
  2000年   2525篇
  1999年   2438篇
  1998年   2291篇
  1997年   2316篇
  1996年   2178篇
  1995年   1971篇
  1994年   1998篇
  1993年   1971篇
  1992年   2010篇
  1991年   1893篇
  1990年   1796篇
  1989年   1668篇
  1988年   1607篇
  1987年   1595篇
  1986年   1680篇
  1985年   2427篇
  1984年   2311篇
  1983年   2108篇
  1982年   1978篇
  1981年   1909篇
  1980年   1880篇
  1979年   1808篇
  1978年   1632篇
  1977年   1625篇
  1976年   1390篇
  1975年   1280篇
  1974年   1188篇
  1973年   1187篇
  1972年   900篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
121.
This paper presents the case for and the evidence in favour of passive investment strategies and examines the major criticisms of the technique. I conclude that the evidence strongly supports passive investment management in all markets—small–capitalisation stocks as well as large–capitalisation equities, US markets as well as international markets, and bonds as well as stocks. Recent attacks on the efficient market hypothesis do not weaken the case for indexing.  相似文献   
122.
The present paper was inspired by and is a response to the Rola-Rubzen, Hardaker and Dillon paper 'Agricultural economists and world poverty: progress and prospects' (Rola-Rubzen et al. 2001). It is agreed that the position of agricultural economists in foreign aid and poverty programs has declined over recent decades. Such a feeling of guilt and remorse expressed by the above authors does indeed create considerable 'angst'. A major reason for this state of affairs lies in 'the flavour of the month' approach of the development agencies. These include women in development, gender-based farming systems research, household nutrition and food security, people participation, and targeting the poorest of the poor. These fads have driven disciplinary considerations to the wall and the more widely-defined objectives have reduced the drive for economic efficiency. We argue there is still a place for better designed and delivered assistance programs within the wider framework of assistance that has become fashionable. Greater application of institutional principles in both the political processes associated with assistance and the implementation agencies would improve the outcomes of many projects. Particular attention would need to be given to the interface between the development agencies and recipient governments. The present paper picks up on the market failure aspects of agriculture's rather poor contribution to development, and develops a wider perspective in terms of the new institutional economics and a continuing role for the agricultural economist.  相似文献   
123.
124.
Major tax reform to simplify the UK tax system is possible. Merging income taxes, social security taxes and corporation tax into only a single flat-rate of tax on all incomes would be a radical start. Avoiding taxes on income and expenditure which are 'too high' requires major reductions in government spending, mainly on the welfare state. Given the political will, over a period of years we really can hugely improve the UK tax system.  相似文献   
125.
The decline in private health insurance coverage over the period 1989–95 is analysed using the ABS National Health Surveys. Individuals' health status and health risk behaviours are found to be significant determinants of their decision to purchase private health insurance. At a point in time, the pool of the insured is very heterogeneous, with a mix of both good and bad health risks. It is found that the decline in insurance coverage over the period 1989–95 coincided with an increase in the degree of 'adverse selection' within the insured population.  相似文献   
126.
127.
Exploring the Intensive and Extensive Margins of World Trade   总被引:1,自引:0,他引:1  
World trade evolves at two margins. Where a bilateral trading relationship already exists it may increase through time (intensive margin). But trade may also increase if a trading bilateral relationship is newly established between countries that have not traded with each other in the past (extensive margin). We provide an empirical dissection of post–World War II growth in manufacturing world trade along these two margins. We propose a “corner-solutions version” of the gravity model to explain movements on both margins. A Tobit estimation of this model resolves the so-called “distance puzzle”. It also finds more convincing evidence than recent literature that WTO-membership enhances trade. JEL no. F12, F15  相似文献   
128.
129.
This article examines the demographic and geographical importance of wealthy middle-class women. It argues that in certain towns and cities, notably London, such women were of sufficient importance to merit attention in their own right. Drawing upon a sample of wills, it describes the types of wealth owned by these women. By examining women's investment in government securities, it argues that women's wealth was of crucial importance to the British state. Its findings challenge conventional understandings of the relationships between gender ideology, wealth holding, and economic development.  相似文献   
130.
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