全文获取类型
收费全文 | 30421篇 |
免费 | 370篇 |
国内免费 | 13篇 |
专业分类
财政金融 | 5013篇 |
工业经济 | 1800篇 |
计划管理 | 4817篇 |
经济学 | 6793篇 |
综合类 | 734篇 |
运输经济 | 91篇 |
旅游经济 | 277篇 |
贸易经济 | 6848篇 |
农业经济 | 739篇 |
经济概况 | 3062篇 |
信息产业经济 | 45篇 |
邮电经济 | 585篇 |
出版年
2021年 | 84篇 |
2020年 | 147篇 |
2019年 | 218篇 |
2018年 | 2617篇 |
2017年 | 2397篇 |
2016年 | 1544篇 |
2015年 | 293篇 |
2014年 | 424篇 |
2013年 | 1368篇 |
2012年 | 809篇 |
2011年 | 2345篇 |
2010年 | 2149篇 |
2009年 | 1885篇 |
2008年 | 1936篇 |
2007年 | 2264篇 |
2006年 | 403篇 |
2005年 | 711篇 |
2004年 | 775篇 |
2003年 | 892篇 |
2002年 | 537篇 |
2001年 | 335篇 |
2000年 | 323篇 |
1999年 | 246篇 |
1998年 | 270篇 |
1997年 | 260篇 |
1996年 | 271篇 |
1995年 | 236篇 |
1994年 | 226篇 |
1993年 | 248篇 |
1992年 | 235篇 |
1991年 | 227篇 |
1990年 | 211篇 |
1989年 | 183篇 |
1988年 | 143篇 |
1987年 | 175篇 |
1986年 | 189篇 |
1985年 | 259篇 |
1984年 | 269篇 |
1983年 | 262篇 |
1982年 | 233篇 |
1981年 | 233篇 |
1980年 | 198篇 |
1979年 | 201篇 |
1978年 | 147篇 |
1977年 | 155篇 |
1976年 | 135篇 |
1975年 | 108篇 |
1974年 | 95篇 |
1973年 | 89篇 |
1972年 | 64篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
111.
112.
Dieter Joachim Ziegenhagen 《保险科学杂志》2002,91(3):259-277
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
113.
Robert D. Oexman Tami L. Knotts Jeff Koch 《Employee Responsibilities and Rights Journal》2002,14(4):145-157
The evolution of society and economic pressure has provided the impetus for operating on a 24-hr basis in many industries. This has occurred with relatively little attention toward sleep deprivation and related problems facing shift workers and the organizations employing them. This paper first documents the move toward shift work and some sleep problems associated with it. We then describe sleep disorders that impact job performance. Next, we describe alternative schedules and give suggestions for shift work implementation. Finally, we offer some normative advice regarding the treatment of shift employees. 相似文献
114.
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
115.
我国企业所得税改革的国外借鉴 总被引:1,自引:0,他引:1
吕风勇 《湖南税务高等专科学校学报》2002,15(5):29-31
20世纪90年代后期各主要发达国家为刺激经济发展进行了减税改革,其中公司所得税的改革是一个重点。我国企业所得税制存在许多亟待解决的问题,诸如内外资企业所得税制不统一、企业负担过重、税收优惠政策不合理等。借鉴国外税改经验,改革和完善我国企业所得税制。第一,合并内外资企业所得税,建立法人企业所得税制;第二,减轻企业负担,增强其竞争力;第三 ,改革和完善税收优惠政策。 相似文献
116.
Summary The problem considered in this paper is a generalization of the usual Rao, Hartley and Cochran (RHC) scheme. In the usual RHC scheme the population ofN units is randomly divided inton groups wheren is the size of the sample. In this paper we propose to divide the population under consideration into (n+k) random groups wherek is some positive integer. Then a sample ofn groups is selected by using simple random sampling without replacement (SRSWOR). The expressions for the unbiased estimator of population total, its variance and the unbiased estimate of variance have been obtained under the proposed sheme. The condition under which the proposed sheme is more efficient than the usual RHC scheme has also been investigated. 相似文献
117.
118.
We study possible rankings of opportunity profiles. An opportunity profile is a list of opportunity sets, one for each agent
in the society. We compare profiles on the basis of the notion of “equality of opportunities”. Our main results show the necessary
and sufficient conditions for this comparison to be made using exclusively the information provided by two cardinal measures:
the number of common alternatives in all sets of a given profile and the difference between the number of alternatives in
the individual sets. We also show that, under additional axioms, we can combine these criteria only in a weighted procedure
or in some lexicographic refinements of a weighted procedure.
相似文献
119.
120.
Dong He Laurent L. Pauwels 《中国与世界经济(英文版)》2008,16(6):1-21
In the present paper, we model the policy stance of the People's Bank of China (PBC) as a latent variable, and the discrete changes in the reserve requirement ratio, policy interest rates, and the scale of open market operations are taken as signals of movement of this latent variable. We run a discrete choice regression that relates these observed indicators of policy stance to major trends of macroeconomic and financial developments, which are represented by common factors extracted from a large number of variables. The predicted value of the estimated model can then be interpreted as the implicit policy stance of the PBC. In a second step, we estimate how much of the variation in the PBC' s implicit stance can be explained by measures of its policy objectives on inflation, growth and financial stability. We find that deviations of CPI inflation from an implicit target and deviations of broad money growth from the announced targets, but not output gaps, figure significantly in the PBC's policy changes. 相似文献