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   17320篇
  免费   358篇
财政金融   3088篇
工业经济   1271篇
计划管理   2973篇
经济学   3720篇
综合类   140篇
运输经济   124篇
旅游经济   265篇
贸易经济   2757篇
农业经济   901篇
经济概况   2392篇
信息产业经济   2篇
邮电经济   45篇
  2021年   112篇
  2020年   187篇
  2019年   275篇
  2018年   386篇
  2017年   384篇
  2016年   350篇
  2015年   241篇
  2014年   390篇
  2013年   1686篇
  2012年   497篇
  2011年   538篇
  2010年   465篇
  2009年   556篇
  2008年   515篇
  2007年   458篇
  2006年   440篇
  2005年   390篇
  2004年   383篇
  2003年   392篇
  2002年   372篇
  2001年   330篇
  2000年   367篇
  1999年   338篇
  1998年   312篇
  1997年   264篇
  1996年   294篇
  1995年   253篇
  1994年   266篇
  1993年   262篇
  1992年   284篇
  1991年   283篇
  1990年   259篇
  1989年   216篇
  1988年   182篇
  1987年   197篇
  1986年   218篇
  1985年   316篇
  1984年   279篇
  1983年   243篇
  1982年   248篇
  1981年   247篇
  1980年   232篇
  1979年   227篇
  1978年   194篇
  1977年   177篇
  1976年   170篇
  1975年   168篇
  1974年   143篇
  1973年   132篇
  1972年   115篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
61.
62.
This paper explores the landscape of training and development in the Republic of Ireland, a country with an impressive economic record in recent years. Both the Irish economic context and business context are explored. The national system for training and development and the surrounding policy and strategy context are set down. Survey data are drawn upon to examine the nature of training and development at organizational level. Here influence on training and development, levels of expenditure, the number of days per employee category and the dominant methods employed training and development are all discussed. Finally the academic study of training and development in the Republic of Ireland is examined.  相似文献   
63.
A number of bargaining experiments have raised the of what is fair or just may be sufficiently powerful to generate bel and systematically from the predictions of standard bargaining experiment designed to test whether the relative impact of different certain changes in the bargaining environment.  相似文献   
64.
We extend the research on postinjury employment by estimating productivity losses for workers with permanent partial disabilities (PPDs) in the first three years after injury. Our method distinguishes between productivity losses attributed to spells of work absence versus reduced earnings during spells of employment. The method is applied to data for 800 Ontario workers with PPDs. The results document large productivity losses persisting at least three years after injury, with different loss patterns for workers returning to stable versus unstable employment. Human capital investments or job accommodations can reduce productivity losses, but the significant determinants of losses differ for the stable versus unstable employment groups.  相似文献   
65.
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   
66.
67.
The truncated Poisson regression model is used to arrive at point and interval estimates of the size of two offender populations, i.e. drunk drivers and persons who illegally possess firearms. The dependent capture–recapture variables are constructed from Dutch police records and are counts of individual arrests for both violations. The population size estimates are derived assuming that each count is a realization of a Poisson distribution, and that the Poisson parameters are related to covariates through the truncated Poisson regression model. These assumptions are discussed in detail, and the tenability of the second assumption is assessed by evaluating the marginal residuals and performing tests on overdispersion. For the firearms example, the second assumption seems to hold well, but for the drunk drivers example there is some overdispersion. It is concluded that the method is useful, provided it is used with care.  相似文献   
68.
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   
69.
This study examines the effect of initiating discount and no discount dividend reinvestment plans on shareholder wealth. The results show a negative response to DRP announcements, which is significantly smaller than that found in studies of new equity offerings. These results are consistent with the Scholes and Wolfson (1989) hypothesis that managers in need of equity capital use DRPs to mitigate the adverse stock price effects of new equity issue announcements. Furthermore, there is a significant difference in the price response of discount and no discount DRPs for industrial firms. This result is supportive of the signaling potential of discount DRPs. Supportive evidence is also found in the analysis of firm characteristics for industrial firms.  相似文献   
70.
The degree of spatial market integration in European Community agricultural product markets is investigated. The methodology is based on co-integration analysis. A two-step testing procedure is applied to test the existence of the ‘Law of One Price’ which should be in force if these markets are truly integrated. The results show that market integration has not been achieved in a number of cases even when MCAs are subtracted from the price series used.  相似文献   
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