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   5510篇
  免费   125篇
  国内免费   1篇
财政金融   1208篇
工业经济   467篇
计划管理   940篇
经济学   1043篇
综合类   80篇
运输经济   46篇
旅游经济   84篇
贸易经济   974篇
农业经济   304篇
经济概况   488篇
邮电经济   2篇
  2021年   29篇
  2020年   69篇
  2019年   87篇
  2018年   98篇
  2017年   96篇
  2016年   110篇
  2015年   66篇
  2014年   110篇
  2013年   644篇
  2012年   165篇
  2011年   175篇
  2010年   155篇
  2009年   176篇
  2008年   182篇
  2007年   160篇
  2006年   167篇
  2005年   138篇
  2004年   137篇
  2003年   147篇
  2002年   169篇
  2001年   133篇
  2000年   116篇
  1999年   135篇
  1998年   106篇
  1997年   106篇
  1996年   100篇
  1995年   96篇
  1994年   81篇
  1993年   86篇
  1992年   79篇
  1991年   69篇
  1990年   69篇
  1989年   66篇
  1988年   67篇
  1987年   63篇
  1986年   75篇
  1985年   98篇
  1984年   91篇
  1983年   89篇
  1982年   74篇
  1981年   77篇
  1980年   79篇
  1979年   60篇
  1978年   72篇
  1977年   83篇
  1976年   45篇
  1975年   48篇
  1974年   55篇
  1973年   38篇
  1972年   30篇
排序方式: 共有5636条查询结果,搜索用时 15 毫秒
181.
This paper explores the American bankruptcy system -- especially the Chapter 11 code -- which since 1978 has allowed insolvent companies the opportunity to restructure and reorganise with the benefit of court protection from creditors. Particular attention is focused on asbestos companies, such as Johns--Manville, which have been among the most consistent and controversial filers for bankruptcy under Chapter 11. The history of asbestos and Chapter 11 is explored, against the backdrop of the burgeoning asbestos crisis, caused by increasing mortality and litigation. Some of the business and ethical issues involved are highlighted by examining in detail a recent bankruptcy (Federal Mogul/T&N in 2001) that has implications in both Britain and America. Chapter 11 bankruptcy is evaluated, particularly in the light of the trend towards similar mechanisms of insolvency in the UK, Europe and the rest of the world. It is concluded that, certainly as regards the experience with asbestos, Chapter 11 offers an inefficient and inequitable method of rehabilitating or rescuing failing businesses.  相似文献   
182.
Intraday information efficiency on the Chinese equity market   总被引:1,自引:0,他引:1  
Bid-ask spread is a direct measure of information asymmetry. As such, it can be used to evaluate information efficiency. In this paper, we show that both the quoted and effective spreads on the Shanghai Stock Exchange are extremely high at the open, decrease over the trading day, and experience a small rebound at the close. The spread decreases with share volume, daily trades, and market capitalization, but increases with average trade size. We further examine the beta using the unbiasedness regression from Biais et al. [Biais, B., Hillion, P., Spatt, C. (1999). Price discovery and learning during the pre-opening period in the Paris Bourse. Journal of Political Economy, 107, 1218–1248] and find that intraday prices are efficient and unbiased for more liquid stocks. This suggests that liquidity prompts information-motivated trading, which, in turn, improves information dissemination. Moreover, our findings indicate that small and medium trades are more likely to facilitate the formation of efficient prices at the open and close of the market, while large trades play a more important role during the other trading periods.  相似文献   
183.
We provide the first estimates of the effect of foreign ownership on wages in Germany, controlling for the observed and unobserved characteristics of workers and plants. We also test whether the wage gains from joining a foreign-owned firm are subsequently lost when leaving that firm, and we examine whether wage gains vary across the sample. We find large selection effects in terms of worker and plant components of wages. Once the selection effect is taken into account, the takeover effect is small and in some cases insignificantly different from zero.
Richard UpwardEmail:
  相似文献   
184.
185.
We argue that state-owned enterprise reform has failed in China, because incentive mechanisms that confront the key stakeholders did not elicit efficient behavior. Although incentive mechanisms were intended to elicit more effort, incentives became de facto improper because of a number of developments. This paper analyzes alternative sharing or incentive systems and highlights the interdependency among property rights, incentives, and enforcement. A common-property model is put forward to analyze recent reforms and to show that alternative property right assignments have complex and diverse configurations of positive and negative externalities. Incentive mechanisms that favor more equal distribution are the most inefficient, whereas those that differentiate among heterogeneous stakeholders based on effective, rather than actual, effort are more promising. An ideal arrangement that combines equal sharing and proportional effort is proposed.  相似文献   
186.
187.
188.
189.
In this paper we present a multi-disciplinary analysis of the potential impacts of undertaking similar environmental actions on multiple farms in a small geographic area, using organic farming as a proxy for a co-ordinated approach. Recent papers have called for more co-ordinated efforts between farmers in terms of their environmental actions, but there has been limited applied research demonstrating the environmental benefits or the economic and social implications to farmers of this approach. Comparative analysis of biodiversity, soil and water, and farm profitability were undertaken in England on 32 matched farms in areas of low and high organic farming concentration; qualitative interviews were also conducted with 48 farmers living in two of the eight areas. Findings demonstrate higher overall levels of biodiversity on organic farms (particularly in “hotspot” areas) but this was not universal across the species groups investigated. Higher water infiltration rates were found in organic grasslands, which could prove to be a useful measure to combat flooding. In terms of the technical efficiency of producing these environmental gains, conventional and organic farms in hotspot areas demonstrated equivalent efficiency from a financial perspective. Socio-cultural research identified the different amounts of trust farmers have in their neighbours, based in part on their performance as ‘good farmers’. We discuss the neighbourhood effect with a multi-disciplinary approach and conclude that encouraging local farmer co-ordination can have clear environmental benefits without high economic cost, but must be undertaken with caution - specifically regarding the trade-offs between benefits, local geophysical and social characteristics, and assumptions made about inter-farmer trust.  相似文献   
190.
We use contingent valuation (CV) and choice experiment (CE) methods to assess cattle farmers’ attitudes to and willingness to pay (WTP) for a bovine tuberculosis (bTB) cattle vaccine, to help inform vaccine development and policy. A survey questionnaire was administered by means of telephone interviews to a stratified sample of 300 cattle farmers in annually bTB‐tested areas in England and Wales. Farmers felt that bTB was a major risk for the cattle industry and that there was a high risk of their cattle getting the disease. The CE estimate produced a mean WTP of £35 per animal per single dose for a vaccine that is 90% effective at reducing the risk of a bTB breakdown and an estimated £55 for such a vaccine backed by 100% insurance of loss if a breakdown should occur. The CV estimate produced a mean WTP of nearly £17 per dose/per animal/per year for a vaccine (including 100% insurance) which, given the average lifespan of cattle, is comparable to the CE estimate. These WTP estimates are substantially higher than the expected cost of a vaccine which suggests that farmers in high risk bTB ‘hotspot’ areas perceive a substantial net benefit from buying the vaccine.  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