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   5194篇
  免费   156篇
  国内免费   1篇
财政金融   784篇
工业经济   1008篇
计划管理   916篇
经济学   1296篇
综合类   31篇
运输经济   57篇
旅游经济   77篇
贸易经济   726篇
农业经济   150篇
经济概况   277篇
信息产业经济   1篇
邮电经济   28篇
  2023年   31篇
  2022年   22篇
  2021年   43篇
  2020年   74篇
  2019年   113篇
  2018年   109篇
  2017年   137篇
  2016年   134篇
  2015年   102篇
  2014年   180篇
  2013年   446篇
  2012年   259篇
  2011年   521篇
  2010年   430篇
  2009年   371篇
  2008年   273篇
  2007年   269篇
  2006年   221篇
  2005年   183篇
  2004年   149篇
  2003年   131篇
  2002年   124篇
  2001年   95篇
  2000年   92篇
  1999年   63篇
  1998年   65篇
  1997年   58篇
  1996年   46篇
  1995年   42篇
  1994年   38篇
  1993年   32篇
  1992年   29篇
  1991年   34篇
  1990年   26篇
  1989年   19篇
  1988年   21篇
  1987年   17篇
  1986年   24篇
  1985年   23篇
  1984年   27篇
  1983年   34篇
  1982年   27篇
  1981年   20篇
  1980年   23篇
  1979年   18篇
  1978年   27篇
  1977年   25篇
  1976年   21篇
  1975年   15篇
  1973年   14篇
排序方式: 共有5351条查询结果,搜索用时 15 毫秒
41.
This article re–evaluates the gravity of the financial problems facing British voluntary hospitals in the interwar period. A relational database of statistics on hospital provision, finance (at both current and constant prices), and activity is used to derive consistent sets of hospitals for reporting purposes. The article presents novel analyses of the extent and pattern of hospital surpluses and deficits; of the capital accounts of selected individual hospitals; of trends in hospital expenditure; of the diversification of hospital income, emphasizing the declining importance of traditional philanthropy; and of the effect of these changes on hospital provision and utilization.  相似文献   
42.
In response to real and perceived abuse by market makers, buyers, and sellers, some industry trade groups representing suppliers have developed voluntary codes of conduct, white papers, and other forms of guidance for online reverse auction participants. The intent of these guidelines is to improve both the reverse auction process and relationships between buyers and sellers. This paper examines the rationale for creating guidelines and codes of conduct, and examines their efficacy in regulating reverse auctions to achieve improved outcomes for market makers, buyers, and sellers. Data from primary and related secondary sources indicate that industry-specific codes of conduct and guidelines have not had a favorable impact.  相似文献   
43.
44.
Group decision-making: Head-count versus intensity of preference   总被引:1,自引:0,他引:1  
This paper puts forth a framework for reshaping the group decision-making process. The proposed framework extends from the usual one-issue-at-a-time decision-making to one that involves several related issues simultaneously. Weaknesses of the traditional majority voting mechanism are first identified, and then a different voting method that takes each individual voter's sentiment into account is discussed. Specifically, a decision-maker is asked to express his/her intensity of preference for the issues encountered. Three hierarchical structures—benefits, costs, and risks—are developed to evaluate the alternatives. Due to the nature of pairwise comparisons and synthesis, the proposed method is amenable to consensus building and has higher reliability and consistency. It can be used for candidate selection, e.g. governmental election, when a large population is involved. It is also effective for resource allocation and prioritization when a small group or business is concerned. We believe the proposed approach has potential for resolving deficiencies of the conventional voting mechanism, and can be applied to many real-world problems. Its implementation on the Internet is also discussed.  相似文献   
45.
Within the standard Keynesian multiplier framework, extended by a micro-model of interactive formation of individual consumption propensities, we demonstrate that socioeconomic interactions can lead to cyclical fluctuations in aggregate economic activity. The underlying micro-model of direct interactions is a version of Alan Kirman’s generic opinion formation model, with an additional feedback effect from macroscopic variables on the transition probabilities. Our model engenders cyclical fluctuations of economic variables, despite the fact that neither the Keynesian multiplier model nor Kirman’s model does so on its own.  相似文献   
46.
Measuring volatility with the realized range   总被引:1,自引:0,他引:1  
Realized variance, being the summation of squared intra-day returns, has quickly gained popularity as a measure of daily volatility. Following Parkinson [1980. The extreme value method for estimating the variance of the rate of return. Journal of Business 53, 61–65] we replace each squared intra-day return by the high–low range for that period to create a novel and more efficient estimator called the realized range. In addition, we suggest a bias-correction procedure to account for the effects of microstructure frictions based upon scaling the realized range with the average level of the daily range. Simulation experiments demonstrate that for plausible levels of non-trading and bid–ask bounce the realized range has a lower mean-squared error than the realized variance, including variants thereof that are robust to microstructure noise. Empirical analysis of the S&P500 index-futures and the S&P100 constituents confirms the potential of the realized range.  相似文献   
47.
Policy goals in UK higher education encourage the publicly funded universities to become more-specialised and larger in size without compromising output quality. Efficiency gains are expected to flow from this increased specialisation in accordance with universities’ comparative research and teaching strengths. Mergers to reap further gains from economies of scale are also being actively encouraged. Given this scenario, the paper investigates whether best-practice efficiency measurement based on data envelopment analysis (DEA) provides empirical support for the current policy goals. It also assesses whether such support is dependent on the specific type of efficiency measure used in the DEA modelling. This assessment finds that a selection of (nine) commonly used, variant efficiency measures generally support the current policy goals. The paper also uses the principal-agent framework to explore the issues involved in using computed DEA-based efficiency scores for policy evaluations and possible funding guidance in UK higher education. This highlights empirically how policy-makers and universities can have very different preferences about which efficiency measure is to be used for policy evaluations and possible funding guidance.  相似文献   
48.
This study examines whether independent directors who possess financial expertise and are independent from the CEO (i.e., non-co-opted) are associated with improved outcomes for industry superannuation funds. Our results highlight that independence alone is insufficient to improve fund outcomes. Instead, we find that only non-co-opted independent directors benefit fund members in terms of higher performance and lower fees. Moreover, we find that independent directors' financial expertise is not associated with fund performance and fees. Our study has implications for regulators and superannuation funds who are currently debating the need for one-third independent directors on the board of Australian superannuation funds.  相似文献   
49.
50.
Recent terrorist acts, in particular the 9-11 attacks in 2001, have created disruptions in the global economy. The short-term impact had been felt in the global tourism, airline industries, as well as the financial markets. While the global economy has recovered and is adjusting to the new global realities, the longer-term impact of heightened security risk across the world can be felt in the form of higher risk premiums in asset markets, as well as a shift of resources towards dealing with terrorism. Just as World War II had accelerated the development of nuclear energy as well as a major contributing factor in the genesis of Silicon Valley, the current war against terrorism will affect both the pace and trajectory of technology trends, as efforts are focused on developing technologies to combat terrorism. In this paper, we review the effects of the current war on terrorism in terms of its impact on the economy, the allocation of resources to R&D, and the trajectory of future R&D.  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