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   580篇
  免费   3篇
财政金融   81篇
工业经济   24篇
计划管理   122篇
经济学   161篇
运输经济   16篇
旅游经济   12篇
贸易经济   114篇
农业经济   21篇
经济概况   32篇
  2024年   6篇
  2023年   11篇
  2022年   5篇
  2021年   7篇
  2020年   11篇
  2019年   23篇
  2018年   17篇
  2017年   28篇
  2016年   24篇
  2015年   18篇
  2014年   26篇
  2013年   97篇
  2012年   36篇
  2011年   35篇
  2010年   38篇
  2009年   26篇
  2008年   24篇
  2007年   15篇
  2006年   11篇
  2005年   14篇
  2004年   15篇
  2003年   13篇
  2002年   12篇
  2001年   7篇
  2000年   13篇
  1999年   9篇
  1998年   3篇
  1997年   1篇
  1996年   3篇
  1995年   5篇
  1994年   3篇
  1992年   4篇
  1991年   1篇
  1990年   2篇
  1989年   1篇
  1988年   1篇
  1985年   1篇
  1984年   1篇
  1983年   1篇
  1980年   1篇
  1979年   2篇
  1978年   2篇
  1977年   2篇
  1976年   2篇
  1973年   1篇
  1970年   1篇
  1968年   1篇
  1956年   1篇
  1947年   1篇
  1939年   1篇
排序方式: 共有583条查询结果,搜索用时 15 毫秒
471.
We examine whether institutional investors affect corporate governance by analyzing portfolio holdings of institutions in companies from 23 countries during the period 2003–2008. We find that firm-level governance is positively associated with international institutional investment. Changes in institutional ownership over time positively affect subsequent changes in firm-level governance, but the opposite is not true. Foreign institutions and institutions from countries with strong shareholder protection play a role in promoting governance improvements outside of the U.S. Institutional investors affect not only which corporate governance mechanisms are in place, but also outcomes. Firms with higher institutional ownership are more likely to terminate poorly performing Chief Executive Officers (CEOs) and exhibit improvements in valuation over time. Our results suggest that international portfolio investment by institutional investors promotes good corporate governance practices around the world.  相似文献   
472.
This paper tests the stability of the demand for money in the euro-area in the context of an open economy. A sample consisting of quarterly data covering the 1982:2–1999:3 period is considered. The main finding is that the U.S. dollar long-term interest rate plays a significant role in the European money demand relationship. This result holds for different combinations of variables forming the vector auto-regressive system and suggests that international monetary interdependency may be an important factor influencing the ECB monetary policy.This paper draws on an earlier version and was prepared while the author was at the Bank of Portugal (the usual disclaimer applies). It was presented at the 2003 Meeting of the Economic Modelling Network. The author acknowledges Luis Catela Nunes, Carlos Santos, Carlos Robalo Marques, Nuno Alves, and an anonymous referee for their helpful suggestions.  相似文献   
473.
474.
  总被引:2,自引:0,他引:2  
The paper analyzes the impact on economic growth of public investment spending and other relevant variables (such as human capital) for nine major Latin American nations over the 1983–93 period. The results suggest that both public and private investment spending contribute to economic growth. Overall central government consumption expenditures, on the other hand, are found to have a negative effect on private investment and growth. Finally, public expenditures on education and healthcare are found to have a positive and statistically significant effect on private capital formation and long–term economic growth. From a policy standpoint, the results suggest that indiscriminate cuts in public and private investment spending are likely to be counterproductive in the long run, and more importantly, scarce public expenditures should be channeled to the promotion of new human capital (via primary and secondary education) and the maintenance of existing human capital (through healthcare expenditures).  相似文献   
475.
This paper presents indirect evidence that absolute purchasing power parity (PPP) may hold in the long-run between Mexico and the U.S., but due to data limitations, the relationship could not be tested directly. Thus it is not clear if absolute PPP holds in the long run between the U.S. and Mexico. Given that relative PPP is a necessary, but not sufficient, condition for absolute PPP to hold, this study tests the relationship between the change in the log of the exchange rate, and the changes in the log of the U.S. producer price index (PPI) and the Mexican PPI. Here, the absence of relative PPP would indicate that absolute PPP could not hold. Given that all the relevant variables in first difference log are stationary, PPP in its relative form holds and OLS can be applied directly in a VAR model setting, viz., treating all variables initially as potentially endogenous. The estimates indicate one-way Granger causality from the percentage change in the exchange rate to the percentage change in the Mexican price level, which is not an implausible result for an emerging nation such as Mexico which imports a significant fraction of (dollar denominated) intermediate products and capital inputs.  相似文献   
476.
    
Aims: To evaluate the cost-effectiveness of antimicrobial stewardship (AS) program implementation focused on critical care units based on assumptions for the Spanish setting.

Materials and methods: A decision model comparing costs and outcomes of sepsis, community-acquired pneumonia, and nosocomial infections (including catheter-related bacteremia, urinary tract infection, and ventilator-associated pneumonia) in critical care units with or without an AS was designed. Model variables and costs, along with their distributions, were obtained from the literature. The study was performed from the Spanish National Health System (NHS) perspective, including only direct costs. The Incremental Cost-Effectiveness Ratio (ICER) was analysed regarding the ability of the program to reduce multi-drug resistant bacteria. Uncertainty in ICERs was evaluated with probabilistic sensitivity analyses.

Results: In the short-term, implementing an AS reduces the consumption of antimicrobials with a net benefit of €71,738. In the long-term, the maintenance of the program involves an additional cost to the system of €107,569. Cost per avoided resistance was €7,342, and cost-per-life-years gained (LYG) was €9,788. Results from the probabilistic sensitivity analysis showed that there was a more than 90% likelihood that an AS would be cost-effective at a level of €8,000 per LYG.

Limitations: Wide variability of economic results obtained from the implementation of this type of AS program and short information on their impact on patient evolution and any resistance avoided.

Conclusions: Implementing an AS focusing on critical care patients is a long-term cost-effective tool. Implementation costs are amortized by reducing antimicrobial consumption to prevent infection by multidrug-resistant pathogens.  相似文献   

477.
478.
The increasing presence of firm-hosted online travel communities is motivating significant changes in the travel industry. This study attempts to explain consumers’ intentions to participate in such communities, and other consumer behavioral intentions, on the basis of a model that integrates the Theory of Planned Behavior, the Technology Acceptance Model, and Social Identity Theory. In addition, this research investigates the link between the intention to participate in a community and two behavioral intentions that may benefit the host firm: the intention to use the firm’s products/services and the intention to recommend the host firm. The results reveal that the chosen theories provide an appropriate framework for explaining the intention to participate; this intention in turn has a positive effect on the two other behavioral intentions. On the basis of the results, the authors propose some key conclusions and managerial implications.  相似文献   
479.
    
By combining insights from relational network theory and agency theory we identify the boundary conditions to the embeddedness approach to partner selection decisions in interfirm collaborations. Employing a longitudinal dataset comprising the investment syndicates for the population of UK management buyouts between 1993 and 2003, we find that relational embeddedness is less important for selecting partners when agency risks are low, allowing firms to expand their networks. Furthermore, reputational capital may act as a partial substitute for relational embeddedness, again permitting firms to expand their networks. Our findings enhance understanding of the boundary conditions associated with the relational network approach to partner selections and network behaviour.  相似文献   
480.
    
The U.S. Federal Reserve has been under fire lately for its policies and secrecy. Many critics are arguing that we need to audit the Fed‐and legislation to that effect has been introduced in Congress and voted on. But should we audit the Fed? The authors take a close look at how the Fed works and the controversies that surround it. © 2010 Wiley Periodicals, Inc.  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