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   24219篇
  免费   455篇
  国内免费   1篇
财政金融   4612篇
工业经济   1716篇
计划管理   3599篇
经济学   5346篇
综合类   380篇
运输经济   179篇
旅游经济   438篇
贸易经济   3664篇
农业经济   1254篇
经济概况   3430篇
信息产业经济   1篇
邮电经济   56篇
  2021年   138篇
  2020年   252篇
  2019年   423篇
  2018年   517篇
  2017年   514篇
  2016年   525篇
  2015年   292篇
  2014年   541篇
  2013年   2472篇
  2012年   721篇
  2011年   803篇
  2010年   674篇
  2009年   747篇
  2008年   729篇
  2007年   628篇
  2006年   569篇
  2005年   478篇
  2004年   506篇
  2003年   452篇
  2002年   509篇
  2001年   441篇
  2000年   457篇
  1999年   437篇
  1998年   405篇
  1997年   416篇
  1996年   411篇
  1995年   357篇
  1994年   367篇
  1993年   399篇
  1992年   408篇
  1991年   401篇
  1990年   329篇
  1989年   301篇
  1988年   291篇
  1987年   302篇
  1986年   309篇
  1985年   468篇
  1984年   433篇
  1983年   400篇
  1982年   376篇
  1981年   345篇
  1980年   390篇
  1979年   318篇
  1978年   270篇
  1977年   256篇
  1976年   198篇
  1975年   242篇
  1974年   193篇
  1973年   188篇
  1972年   133篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
992.
In this paper we offer a definition of a country "debt crisis" based upon the amount of new borrowing relative to the cost of servicing past debt. Policy implications for both debtor countries and their creditors are examined. An empirical application is made to Latin American countries, 1978–82. The causes of the debt problems created during this period are investigated with respect to the extent they were the result of rising interest rates vis à vis increased borrowing.  相似文献   
993.
994.
We take an organizational legitimacy perspective and use data from a large-scale nationally representative study on the state of small business in Saudi Arabia, in order to explore the antecedents to the formation of entrepreneurial ventures’ inter-firm networks in the context of an emerging economy (n?=?331). We argue that entrepreneurial ventures need to overcome a threshold of cognitive legitimacy in order to develop inter-firm ties with a diverse set of large, established firms. Results indicate that having a written business plan and a formal organizational structure are positively associated with the diversity of the new venture’s inter-firm network, while the education level of the entrepreneur does not have a significant effect. In addition, the effect of having a formal organizational structure is stronger for younger ventures. Implications are discussed.  相似文献   
995.
Intrapreneurial activity is positively associated with the organizational growth, and the factors that stimulate such behaviors need to be identified. The general goal of this work is to explore the relationship of authentic leadership with employees’ intrapreneurial behavior and the intervening processes. A correlational study was carried out with 212 employees of Spanish companies, in which two cross-level mediation hypotheses were tested. The results obtained indicate that employees’ organizational identification and organizational empowerment both mediate the relationship between authentic leadership and employees’ intrapreneurial behaviors. In this work, we note the importance of including authentic leadership as an antecedent of intrapreneurship.  相似文献   
996.
In much of the literature, the debate over technical trading strategies has centered around the question of whether an actively managed portfolio, controlled by a technical indicator, can outperform a passively managed portfolio. Typically, the time horizon is considered to be years. Additionally, the trader is assumed to use a technical trading strategy that is independent of asset conditions. These assumptions may not correspond well with reality. Traders often have much shorter time horizons and may switch between rebalancing or trading strategies on the basis of perceived shifts in market condition. This paper presents a study of the profitability of technical trading rules as a function of asset state or condition. Several common technical trading strategies were run on 296 stocks over a 15 year period. Strategies were run with 1 month rolling time horizons, significantly shorter than those used in similar studies in the literature. Stocks were segmented based on volatility and volume, which allowed for the examination of a strategy’s performance in different asset conditions. Several strategies were demonstrated to have consistently better risk-to-reward ratios under specific asset conditions and short time horizons. This finding helps to explain why some practitioners implement technical trading strategies.  相似文献   
997.
This paper analyses two well-known features of interest rates, namely their time dependence and their cyclical structure. Specifically, it focuses on the Euribor rate, using monthly data from January 1994 to May 2011. Two models are considered, one with fractional integration at the long run or zero frequency, and the other replacing the zero frequency with a cyclical one. The results indicate that the latter outperforms the former as well as other standard specifications. Future directions for research (such as nonlinearities, volatility behaviour, and multivariate models) are also discussed.  相似文献   
998.
Location determinants of high-growth firms   总被引:1,自引:0,他引:1  
County-level location patterns of INC5000 companies provide one map of American entrepreneurship and innovativeness, and understanding the local factors associated with these firms’ emergence is important for stimulating regional economic growth and innovation. We draw on the knowledge spillover theory of entrepreneurship to motivate our regression model, and augment this theory with additional regional features that have been found to be important in the firm location literature. Zero-inflated negative binomial regressions indicate that these firms exist in counties with larger average establishment size, higher educational attainment and more natural amenities. Income growth, a mix of higher paying industries, and more banks per capita are associated with a smaller presence of these types of firms, all else equal. We conclude that the local conditions favouring high-growth firms are likely to be different from those favouring new firms in general, and that these conditions differ significantly in urban and rural areas and by industrial sectors.  相似文献   
999.
Aside from immigration, the only meaningful demographic lever available to policymakers attempting to moderate the rate of ageing is the birth rate. This article departs from previous analyses of pro‐natal policies by studying determinants of pro‐natal options ex ante, which represents an advantage for policymakers looking to craft policies with prior knowledge of whether or not a demographic policy will have a significant effect. Our multinomial regression model for a US sample involving college students shows that the preferred choice of pro‐natal incentive is dependent on gender, economic class, number of planned children and migrant status. We find that females are more likely than males to choose any pro‐natal incentive over no incentive. The highest odds for increasing planned number of children are for maternity leave and parental leave options. Respondents associating themselves with the poorest economic class are more likely to choose daycare or government grant as pro‐natal options.  相似文献   
1000.
There is a need to rethink and redefine the social value added of entrepreneurial activities to society. In this paper we develop five pillars on which the evolving social role of entrepreneurship can rest and have its impact: (1) connecting entrepreneurial activities to other societal efforts aimed at improving the quality of life, achieving progress, and enriching human existence, (2) identifying ways to reduce the dysfunctional effects of entrepreneurial activities on stakeholders, (3) redefining the scope of entrepreneurial activities as a scholarly arena, (4) recognizing entrepreneurship's social multiplier, and (5) pursuing blended value at the organizational level, centring on balancing the creation of financial, social and environmental wealth. In a final section we discuss implications for practices and for further research.  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