全文获取类型
收费全文 | 488篇 |
免费 | 20篇 |
专业分类
财政金融 | 74篇 |
工业经济 | 44篇 |
计划管理 | 115篇 |
经济学 | 83篇 |
综合类 | 7篇 |
运输经济 | 12篇 |
旅游经济 | 12篇 |
贸易经济 | 96篇 |
农业经济 | 27篇 |
经济概况 | 37篇 |
邮电经济 | 1篇 |
出版年
2023年 | 2篇 |
2022年 | 2篇 |
2021年 | 2篇 |
2020年 | 7篇 |
2019年 | 16篇 |
2018年 | 19篇 |
2017年 | 15篇 |
2016年 | 14篇 |
2015年 | 17篇 |
2014年 | 17篇 |
2013年 | 63篇 |
2012年 | 25篇 |
2011年 | 28篇 |
2010年 | 21篇 |
2009年 | 21篇 |
2008年 | 23篇 |
2007年 | 18篇 |
2006年 | 12篇 |
2005年 | 18篇 |
2004年 | 16篇 |
2003年 | 18篇 |
2002年 | 16篇 |
2001年 | 8篇 |
2000年 | 10篇 |
1999年 | 15篇 |
1998年 | 13篇 |
1997年 | 10篇 |
1996年 | 8篇 |
1995年 | 4篇 |
1994年 | 5篇 |
1993年 | 4篇 |
1992年 | 2篇 |
1991年 | 4篇 |
1988年 | 3篇 |
1987年 | 1篇 |
1986年 | 2篇 |
1985年 | 2篇 |
1984年 | 2篇 |
1983年 | 4篇 |
1982年 | 3篇 |
1981年 | 1篇 |
1980年 | 1篇 |
1979年 | 4篇 |
1978年 | 2篇 |
1977年 | 6篇 |
1976年 | 1篇 |
1975年 | 1篇 |
1974年 | 1篇 |
1971年 | 1篇 |
排序方式: 共有508条查询结果,搜索用时 15 毫秒
41.
Research and Technology Outsourcing 总被引:5,自引:0,他引:5
Jeremy Howells 《Technology Analysis & Strategic Management》1999,11(1):17-29
The paper discusses the process of externalization and the contracting out of R&D and technical activity. The focus of the analysis is on the outsourcing of R&D and technical activity undertaken by firms and now outsourced to companies and organizations which supply the Contract Research and Technology (CRT) market. The analysis highlights that not only is it important to understand the factors in the demand for such services but also in changing dynamics of the nature of the research and technical services supplied and the way they are supplied. The paper then investigates the implications of these dynamic trends for the conduct of the R&D function, particularly towards research externalization and outsourcing, via the use of firms and organizations involved in contract research and technology. 相似文献
42.
43.
44.
Jeremy De Valck Steven Broekx Inge Liekens Joris Aertsens Liesbet Vranken 《Environmental and Resource Economics》2017,66(1):17-43
This paper investigates the effect of nearby nature substitute sites on preferences for nature restoration. Contrary to prior studies, we use a respondent-centric approach to control for substitute sites. We assess each respondent-specific spatial context by computing densities of nature substitute sites within various ranges from each respondent’s home. This approach considers the use and non-use values of nature together. Data from three similar discrete choice experiments carried out in Flanders (Belgium) are compared. Different spatial discounting factors are tested to explore how the substitution effect behaves with regard to distance. Latent class analyses are performed to account for preference heterogeneity among respondents. We observe divergent behaviours across groups of respondents. The “distance-to-substitutes” affects how respondents gauge substitute sites. We find a significant influence of the squared average buffer distance but this effect varies in sign across case studies and classes of respondents. Our results demonstrate that individual-specific GIS data can significantly improve the representation of the spatial context and the transferability of value functions. However, the roles played by preference heterogeneity and nature perception on respondents’ capacity to value nature still deserves further attention in future research. 相似文献
45.
Jeremy A. Klein Edward P. Stacey Christopher J. Coggill Mick McLean May I. Sagua 《R&D Management》1996,26(1):5-15
This study sought to measure the economic consequences of reduced expenditure on specific sections of the UK National Measurement System (NMS), part of the state-funded technological infrastructure. A method was developed which can be adapted to any publicly or privately financed R&D of which the benefits and cost-effectiveness are unclear or contested.
The recent interactions between the NMS and industry were investigated empirically. Five mechanisms were found to account for the majority of instances of successful value creation. Several case studies of each mechanism were collected, illustrating their existence beyond reasonable doubt.
Each of the cut projects would have been expected to have encouraged growth and profitability in identified sectors of the economy through one or more of these five mechanisms. The effects of the cuts were modelled over 30 years. Compared to the costs of the cut projects projected over the same period, the benefits to the economy were predicted to exceed the costs. 相似文献
The recent interactions between the NMS and industry were investigated empirically. Five mechanisms were found to account for the majority of instances of successful value creation. Several case studies of each mechanism were collected, illustrating their existence beyond reasonable doubt.
Each of the cut projects would have been expected to have encouraged growth and profitability in identified sectors of the economy through one or more of these five mechanisms. The effects of the cuts were modelled over 30 years. Compared to the costs of the cut projects projected over the same period, the benefits to the economy were predicted to exceed the costs. 相似文献
46.
Jeremy Waddington 《英国劳资关系杂志》1993,31(3):433-457
Existing studies of British trade union membership concentration have used the variance of logs and concentration ratio measures to show a tendency towards increasing concentration. This paper proposes the Herfindahl index as a more appropriate measure. The annual variation in concentration is analysed by means of the Herfindahl index and shows some fluctuation, particularly prior to 1947. Divergent trends are also shown for manual and white-collar membership concentration. An explanation of the aggregate trend and of these different occupational trends is advanced in terms of bargaining structure and the development of general unionism. 相似文献
47.
Jeremy Wakeford 《Development Southern Africa》2004,21(1):109-132
This article investigates the relationship between labour productivity, average real wages and the unemployment rate in South Africa at the macroeconomic level, using time‐series econometric techniques. There is strong evidence of a structural break in 1990, after which time all three variables rose rapidly. The break appears to have negatively affected the level of employment in the first instance, and subsequently fed through into per worker wages and productivity. A long‐term equilibrium (cointegrating) relationship was found between real wages and productivity, but unemployment was apparently unconnected to the system, which lends support to the insider–outsider theory. A long‐term wage–productivity elasticity of 0,58 indicates that productivity has grown more rapidly than wages, which is consistent with the finding that labour's share of gross output has been shrinking over the past decade. These trends may be explained plausibly by the adoption of job‐shedding technology and capital intensification. 相似文献
48.
Bad News Travels Slowly: Size, Analyst Coverage, and the Profitability of Momentum Strategies 总被引:22,自引:1,他引:21
Various theories have been proposed to explain momentum in stock returns. We test the gradual-information-diffusion model of Hong and Stein (1999) and establish three key results. First, once one moves past the very smallest stocks, the profitability of momentum strategies declines sharply with firm size. Second, holding size fixed, momentum strategies work better among stocks with low analyst coverage. Finally, the effect of analyst coverage is greater for stocks that are past losers than for past winners. These findings are consistent with the hypothesis that firm-specific information, especially negative information, diffuses only gradually across the investing public. 相似文献
49.
Jeremy Bulow 《Southern economic journal》2003,69(3):736-742
In the late 1990s more than 40 state attorneys general sued the major tobacco companies for the excessive medical costs imposed on the states by smoking. In November 1998 this litigation was concluded with the companies agreeing to pay approximately $9 billion a year, to be adjusted for inflation, in damages and lawyers' fees. The deal was incredibly corrupt; had it been made in any other industry it would surely have been declared illegal. And the tobacco companies were not the only bad guys in this story. The trial lawyers, the politicians, and even the public health officials and antismoking advocates who believed that any means were appropriate to achieve their desired ends of massive fees, political victories, and higher cigarette prices were the ones who most abused the system. W. Kip Viscusi, an economist and professor at Harvard Law School, focuses on the merits of the state tobacco litigation, principally whether the companies were guilty of inadequately communicating the risk of their products to smokers, which links to youth smoking, and the economic damages the states suffered because of smoking. Viscusi, who has worked on these issues for many years, was hired by Philip Morris to testify on these two topics in the litigation. Nevertheless, he makes a credible case on both issues. Viscusi is substantially less interested in the actual structure and implications of the negotiated deal and spends only a limited amount of time exploring the policy implications of today's tobacco politics, though he does spend a concluding chapter advocating improved information about tobacco for smokers. 相似文献
50.
Jeremy Clark Bonggeun Kim Richie Poulton Barry Milne 《The Canadian journal of economics》2006,39(4):1151-1172
Abstract . Young people with little 'social or health capital' may be more likely to take up hazardous consumption and shun investments in human capital, raising their likelihood of a 'rags to rags' sequence. First, diminishing marginal utility could raise the marginal benefit of hazardous consumption and the cost of investment. But poor youths may also have lower expectations of future success, independent of the choices they make. Lower expectations of success could reduce the future cost of hazardous consumption and benefit of investment. We test the effect of expectations on decisions to smoke, drink hazardously, exercise, and complete high school, using a longitudinal study of youth in New Zealand. We find that 15-year-olds' expectations of success predict the subsequent onset of smoking, lack of exercise, and failure to complete high school, but not hazardous drinking. While some of the influence of expectations can be explained by low social and health capital, IQ, and other factors, expectations retain a direct effect on smoking and exercise once these other factors are controlled for. 相似文献