全文获取类型
收费全文 | 28753篇 |
免费 | 653篇 |
国内免费 | 1篇 |
专业分类
财政金融 | 5655篇 |
工业经济 | 1983篇 |
计划管理 | 4394篇 |
经济学 | 6385篇 |
综合类 | 442篇 |
运输经济 | 215篇 |
旅游经济 | 541篇 |
贸易经济 | 4374篇 |
农业经济 | 1468篇 |
经济概况 | 3891篇 |
信息产业经济 | 1篇 |
邮电经济 | 58篇 |
出版年
2021年 | 171篇 |
2020年 | 328篇 |
2019年 | 499篇 |
2018年 | 601篇 |
2017年 | 610篇 |
2016年 | 613篇 |
2015年 | 372篇 |
2014年 | 647篇 |
2013年 | 3073篇 |
2012年 | 853篇 |
2011年 | 986篇 |
2010年 | 822篇 |
2009年 | 922篇 |
2008年 | 890篇 |
2007年 | 781篇 |
2006年 | 676篇 |
2005年 | 609篇 |
2004年 | 616篇 |
2003年 | 579篇 |
2002年 | 627篇 |
2001年 | 539篇 |
2000年 | 577篇 |
1999年 | 555篇 |
1998年 | 529篇 |
1997年 | 521篇 |
1996年 | 491篇 |
1995年 | 445篇 |
1994年 | 432篇 |
1993年 | 463篇 |
1992年 | 449篇 |
1991年 | 457篇 |
1990年 | 381篇 |
1989年 | 329篇 |
1988年 | 312篇 |
1987年 | 335篇 |
1986年 | 346篇 |
1985年 | 536篇 |
1984年 | 501篇 |
1983年 | 468篇 |
1982年 | 431篇 |
1981年 | 404篇 |
1980年 | 455篇 |
1979年 | 369篇 |
1978年 | 331篇 |
1977年 | 315篇 |
1976年 | 250篇 |
1975年 | 280篇 |
1974年 | 247篇 |
1973年 | 217篇 |
1972年 | 145篇 |
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
101.
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
102.
B. Mertens R. Poccard-Chapuis M.-G. Piketty A.-E. Lacques A. Venturieri 《Agricultural Economics》2002,27(3):269-294
The Amazon is the largest tropical forest area on Earth, and has been undergoing rapid deforestation for the last four decades. In the Brazilian Amazon, large‐scale pasture for cattle ranching and soybean production are the main land uses, leading to a yearly deforestation rate of 0.5%. These conversions are mostly located in frontier areas distributed along the so‐called “arc of deforestation”. Within this large zone, various land use change processes are interacting through several modes of land valuation and organisation. From several case studies in the State of Pará (Brazil), the current project aims at analysing how landscape dynamics are related to infrastructure development, ecological conditions, zoning policies and to the evolution and the organisation of the production, consumption and marketing chains of livestock products. This paper presents the results for one test site, the region of São Félix do Xingú, South of Pará This region is the focus of land speculation, cattle expansion, and deforestation. Road construction, investments in electrical energy, financial credit for cattle, and the land reform policies have all fuelled this process. All these factors make this region one of the most dynamic agricultural frontiers in the Brazilian Amazon. The main objective of the paper is to improve our understanding of deforestation processes by crossing spatial analyses and 1ivestock economics.studies, and to characterise the role and impact of various natural and anthropic factors in the location and development of the main types of farmers, and their policy implications. 相似文献
103.
We evaluate the appropriateness of regulation within the Canadian cable television industry by applying both parametric and non-parametric approachesto measure scale efficiency. Although we begin with a sample offering adequatedegrees of freedom for parametric estimation, important policy issues lead us toconsider further estimation over sub-samples. Since some of these sub-samplesare small enough that parametric models cannot guarantee reliable estimates, weobtain production characteristics non-parametrically through data envelopmentanalysis. The nonparametric results for scale efficiency support the parametricresults. We find evidence against a natural monopoly argument that might havejustified continuation of the mandated monopolization of Canadian cable televisionservice. By the end of the sample period, there were no longer substantial economiesof scale in most relevant markets. 相似文献
104.
J.A. Morrison K. Balcombe A. Bailey S. Klonaris G. Rapsomanikis 《Agricultural Economics》2003,28(2):139-150
This paper employs a latent variable approach to isolate the effects of changing tastes on the share of total meat expenditure on different categories of meat products in Greece during the period 1965–1995. We find that changes in the relative expenditure on different categories of meat cannot be explained by changes in the relative prices of the different meat products and increased expenditure alone. For pork products in particular, the increase in the share of expenditure has been greater than would be expected as a result of the relative fall in their price. The increase can therefore be associated with changes in taste. This finding is of general interest to those conducting empirical research into consumer behaviour both in economies where there have been significant changes in patterns of food consumption, and where, as in the case of many less industrialised economies, rapid structural changes in food consumption patterns are still to come. It is also of importance to policy makers in assessing die effectiveness of advertising or promotional campaigns in influencing longer term changes in consumer preferences for different products. 相似文献
105.
Increasingly popular tailored regulation (TR) initiatives like the Environmental Protection Agency's Project XL allow industrial facilities to voluntarily substitute site-specific environmental performance standards for inefficient command-and-control regulations. TR can significantly reduce participants' costs of complying with environmental regulations, but in doing so it can also give these participants a competitive advantage. Here we develop an analytical model to show that TR can have adverse welfare effects when if enables relatively inefficient firms in oligopolistic markets to “steal” market share from more efficient firms, and we characterize the regulatory policies that give rise to such outcomes. We also show that regulators' efforts to diffuse the benefits of site-specific agreements among nonparticipating firms dampen incentives to participate in TR. 相似文献
106.
107.
Statement of Financial Accounting Standard (SFAS) No. 106 on Nonpension Postretirement Benefits (NPB) provides managers with
a relatively long adoption window and choice of transition methods which can be used by affected companies to manage earnings.
This paper examines whether management's choice of adoption timing is motivated by the desire to manage earnings. Fisher's
[1934] exact probability analysis is used to test the hypothesis regarding profitability of a sample of 200 early and late
adopters of SFAS No. 106. The results indicate that the profitability of adopting the income-reducing accounting standard
(SFAS No. 106) early is significantly higher for more profitable firms than for less profitable firms. 相似文献
108.
Demarketing as a differentiation strategy 总被引:1,自引:0,他引:1
Demarketing discourages consumers from buying. This paper shows that demarketing can be a profitable alternative when differentiation through product improvements is not cost effective. The impact of differentiating demarketing on profit, market share, consumers, and total welfare is investigated.This research began while Hess was visiting MIT's Sloan School of Management and was finished while visiting University of Haifa; he thanks both for their support. 相似文献
109.
Otto A. Altenburger 《保险科学杂志》1997,86(1-2):157-170
110.
This article reports on the latest in a series of international comparisons of management practices and performance outcomes of industries in various countries. Here, it is the service industries in the UK and the US which come under the microscope. Among the companies surveyed, there were more world-class performers in the US than the UK, but also more low performers. The concluding part of the article is diagnostic – the authors also suggest measures which could improve performance. 相似文献