全文获取类型
收费全文 | 17335篇 |
免费 | 366篇 |
专业分类
财政金融 | 3109篇 |
工业经济 | 1277篇 |
计划管理 | 2976篇 |
经济学 | 3722篇 |
综合类 | 138篇 |
运输经济 | 123篇 |
旅游经济 | 265篇 |
贸易经济 | 2750篇 |
农业经济 | 902篇 |
经济概况 | 2392篇 |
信息产业经济 | 2篇 |
邮电经济 | 45篇 |
出版年
2021年 | 114篇 |
2020年 | 189篇 |
2019年 | 275篇 |
2018年 | 389篇 |
2017年 | 385篇 |
2016年 | 349篇 |
2015年 | 241篇 |
2014年 | 387篇 |
2013年 | 1683篇 |
2012年 | 496篇 |
2011年 | 541篇 |
2010年 | 465篇 |
2009年 | 556篇 |
2008年 | 516篇 |
2007年 | 456篇 |
2006年 | 440篇 |
2005年 | 389篇 |
2004年 | 382篇 |
2003年 | 390篇 |
2002年 | 374篇 |
2001年 | 332篇 |
2000年 | 368篇 |
1999年 | 339篇 |
1998年 | 315篇 |
1997年 | 266篇 |
1996年 | 293篇 |
1995年 | 254篇 |
1994年 | 267篇 |
1993年 | 261篇 |
1992年 | 283篇 |
1991年 | 283篇 |
1990年 | 258篇 |
1989年 | 214篇 |
1988年 | 183篇 |
1987年 | 196篇 |
1986年 | 218篇 |
1985年 | 318篇 |
1984年 | 278篇 |
1983年 | 244篇 |
1982年 | 249篇 |
1981年 | 250篇 |
1980年 | 231篇 |
1979年 | 230篇 |
1978年 | 196篇 |
1977年 | 178篇 |
1976年 | 174篇 |
1975年 | 172篇 |
1974年 | 143篇 |
1973年 | 133篇 |
1972年 | 115篇 |
排序方式: 共有10000条查询结果,搜索用时 16 毫秒
21.
22.
Despite the importance of the London markets and the significance of the relationship for market makers, little published research is available on arbitrage between the FTSE‐100 Index futures and the FTSE‐100 European index options contracts. This study uses the put–call–futures parity condition to throw light on the relationship between options and futures written against the FTSE Index. The arbitrage methodology adopted in this study avoids many of the problems that have affected prior research on the relationship between options or futures prices and the underlying index. The problems that arise from nonsynchroneity between options and futures prices are reduced by the matching of options and futures prices within narrow time intervals with time‐stamped transaction data. This study allows for realistic trading and market‐impact costs. The feasibility of strategies such as execute‐and‐hold and early unwinding is examined with both ex‐post and ex‐ante simulation tests that take into consideration possible execution time lags for the arbitrage trade. This study reveals that the occurrence of matched put–call–futures trios exhibits a U‐shaped intraday pattern with a concentration at both open and close, although the magnitude of observed mispricings has no discernible intraday pattern. Ex‐post arbitrage profits for traders facing transaction costs are concentrated in at‐the‐money options. As in other major markets, despite important microstructure differences, opportunities are generally rapidly extinguished in less than 3 min. The results suggest that arbitrage opportunities for traders facing transaction costs are small in number and confirm the efficiency of trading on the London International Financial Futures and Options Exchange. © 2002 John Wiley & Sons, Inc. Jrl Fut Mark 22:31–58, 2002 相似文献
23.
24.
The paper examines distortions in the acquisition and financing of capital assets under a cost-based reimbursement system within an adjusted present value (APV) framework. For a not-for-profit (NFP) vendor the acquisition, when internally financed, is typically a negative-NPV investment. But when financed through debt with reimbursed interest payments, the combined decision becomes worthwhile (positive APV). This can explain why NFP firms resort to substantial debt financing even though internal funds may be available and any tax benefits are absent. Policy implications and suggestions for improving unintended inequities in the system are also discussed. 相似文献
25.
The New Growth Theory and Coasean Economics: Institutions to Capture Externalities. — This paper presents the main theoretical arguments which lead many adherents of the New Growth Theory to the conclusion that externalities in research and development are important for economic growth and warrant government subsidies. In contrast, the authors point to private institutions like associations, company structures and industry clusters which can capture such externalities. An international comparison of private R&;D investment and special features of institutions in Switzerland and Japan are in line with this hypothesis. Thus, the argument for R&;D subsidies made by the New Growth Theory is considerably reduced. 相似文献
26.
Dominic Gasbarro Kim‐Song Le Robert G. Schwebach J. Kenton Zumwalt 《The Journal of Financial Research》2004,27(1):133-141
Announcements of syndication loans increase borrowers' shareholder wealth if they are revolving credit agreements but not if they are term loans. Share price responses to revolving credit announcements are positive and significant, whereas the wealth effect for term loans is negative and significant. The results show that announcements from both the financial press and commercial information providers can affect borrower share price reaction. Overall, single syndication announcements appear to be more newsworthy than multiple announcements reported in the financial press, and we find evidence of information leakage, post‐announcement drift, or both. 相似文献
27.
28.
Jos Benders Paul Hoeken Ronald Batenburg Roel Schouteten 《New Technology, Work and Employment》2006,21(3):242-251
Previous empirical work demonstrated that self-managing teamwork and Enterprise Resource Planning (ERP) systems are difficult to combine in practice, and have called for the development of templates for configuring ERP systems to support teamworking. This requires a view on organisation design, dealing with both in an integrated fashion. 'Modern Socio-technology' provides such a view. We discuss its underlying principles and show how it relates to ERP. 相似文献
29.
An Erratum for this article has been published in Journal of Applied Econometrics 18(2) 2003, 249 Previous empirical work on corporate growth rates using cross‐section or short‐panel econometric techniques suggests that growth rates are random but that some degree of mean reversion exists. This means that size differences between firms are transitory. Another, more natural way to explore the long‐run distribution of firm sizes is to examine data on the growth of particular firms over long periods of time. Using a sample of 147 UK firms observed continually for more than 30 years, our conclusions are that growth rates are highly variable over time and that differences in growth rates between firms do not persist for very long. Further, firms show no tendency to converge to either a common size or to a pattern of stable size differences over time. These results are compared and contrasted with standard approaches that suggest that firms reach and maintain stable positions in a skewed size distribution. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
30.
Extant empirical research has reported nonlinear behavior within arbitrage relationships. In this article, the authors consider potential nonlinear dynamics within FTSE‐100 index and index‐futures. Such nonlinearity can be rationalized by the existence of transactions costs or through the interaction between informed and noise traders. They consider several empirical models designed to capture these alternative dynamics. Their empirical results provide evidence of a stationary basis term, and thus cointegration between index and index‐futures, and the presence of nonlinear dynamics within that relationship. The results further suggest that noise traders typically engage in momentum trading and are more prone to this behavior type when the underlying market is rising. Fundamental, or arbitrage, traders are characterized by heterogeneity, such that there is slow movement between regimes of behavior. In particular, fundamental traders act more quickly in response to small deviations from equilibrium, but are reluctant to act quickly in response to larger mispricings that are exposed to greater noise trader price risk. © 2006 Wiley Periodicals, Inc. Jrl Fut Mark 26:343–368, 2006 相似文献