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   12093篇
  免费   349篇
  国内免费   226篇
财政金融   1395篇
工业经济   724篇
计划管理   2778篇
经济学   1720篇
综合类   1477篇
运输经济   87篇
旅游经济   224篇
贸易经济   2300篇
农业经济   473篇
经济概况   1490篇
  2024年   11篇
  2023年   147篇
  2022年   212篇
  2021年   292篇
  2020年   399篇
  2019年   263篇
  2018年   243篇
  2017年   288篇
  2016年   281篇
  2015年   279篇
  2014年   781篇
  2013年   844篇
  2012年   908篇
  2011年   1219篇
  2010年   928篇
  2009年   811篇
  2008年   1001篇
  2007年   867篇
  2006年   850篇
  2005年   602篇
  2004年   376篇
  2003年   342篇
  2002年   194篇
  2001年   191篇
  2000年   115篇
  1999年   55篇
  1998年   30篇
  1997年   24篇
  1996年   19篇
  1995年   22篇
  1994年   19篇
  1993年   15篇
  1992年   11篇
  1991年   9篇
  1990年   1篇
  1988年   2篇
  1984年   8篇
  1983年   4篇
  1982年   3篇
  1979年   2篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
71.
乡村振兴战略和环境保护是当前经济工作中的重点。伴随经济全球化和“一带一路”战略的不断深入,生产要素国际流动日趋频繁。乡村振兴是国家重要发展战略,其重要抓手是实现农业现代化。因此,在小农户与现代农业共存的经济背景下,分析要素国际流动的环境效果,并根据现代农业发展的不同特征,对乡村振兴战略实施初始阶段和全面实施阶段分别进行分析后发现:在战略实施初始阶段,劳动流入加剧污染,反之改善环境;在战略全面实施阶段,资本流入改善环境,反之恶化环境。  相似文献   
72.
This paper analyses the price gap anomaly in the US stock market (comprised of the DJI, S&P 500 and NASDAQ) covering the period 1928 to 2018. This paper aims to investigate whether or not price gaps create market inefficiencies. Price gaps occur when the current day’s opening price is different from the previous day’s closing price due orders placed before the opening of the market. Several hypotheses are tested using various statistical tests (Student’s t-test, ANOVA, Mann-Whitney test), regression analysis, and special methods, that is, the modified cumulative returns and the trading simulation approaches. We find strong evidence in favour of abnormal price movements after price gaps. We observe that during a gap day prices tend to change in the direction of the gap. A trading strategy based on this anomaly was efficient in that its results were not random, indicating that this market was not efficient. The momentum effect was found to be temporary and no evidence of seasonality in price gaps was found. Lastly, our results were also contrary to the myth that price gaps tend to get filled.  相似文献   
73.
This paper studies conflict in a simple bargaining framework using an evolutionary game-theoretic approach. Our findings suggest that a player does not always regard the winning probability as an acceptable settlement rule. He accepts a division according to winning probability when the destruction caused to him in conflict is more than a threshold, which in turn depends on cost of conflict to the opponent and the size of the population. Further, our analysis shows that the norms with positive weight to disagreement payoff are effective against conflict, and incentivize peace. Contrary to the findings of extant studies carried out in finite population evolutionary game setting, the settlement possibility set is identical under both ESS and Nash equilibrium in our model with settlement norms.  相似文献   
74.
This paper examines how corporate social responsibility (CSR) affects the level of financial distress risk (FDR). Using a sample of 1201 US-listed firms during 1991–2012, our results indicate that firms with higher CSR levels have lower FDR, suggesting that a better CSR performance makes firms more creditworthy and have better access to financing, which is rewarded with less financial defaults. This finding is robust to using alternative proxies of FDR, to controlling for potential endogeneity, and is mainly driven by the community, diversity, employee relations, and environmental dimensions of CSR. Moreover, this relationship is more prevalent in firms with strong governance mechanisms and high product market competition. It is also more exacerbated for less distressed firms and during non-crisis periods. Overall, our findings suggest that the adoption of CSR practices comes with less distress and default risks, likely leading to a more attractive corporate environment, better financial stability and more crisis-resilient economies.  相似文献   
75.
We study whether investors’ withdrawals from mutual funds affect corporate bond prices. As mutual funds have become major players in the financial markets, they are likely to exert downward pressures on asset prices when facing investors’ redemptions, particularly in the less liquid markets such as corporate bonds. We use a novel dataset on the French bond funds and show that both flows in and out of mutual funds lead to a significant effect on the corporate bond yields. This effect is asymmetric as redemptions provoke a change in yields of greater magnitude than inflows. Moreover, all corporate bonds are not equally affected by investors’ withdrawals from funds: The more a bond is detained by funds, the higher the impact of redemptions on its yield. These three results are robust to various changes in econometric specifications.  相似文献   
76.
This study investigates whether top management teams’ academic experience affects corporate innovation, using manually-collected data on Chinese firms from the period of 2008–2017. The results indicate that academic experience has a strong positive effect on corporate innovation. The positive effect of academic experience on corporate innovation is more pronounced, when firms grow faster or are non-state-owned. By exploring the transmission channels, the results generally show that academic experience influences corporate innovation by improving internal controls and reducing the degree of information asymmetry. These findings are among the first empirical evidence of the association between academic experience of top management teams and corporate innovation.  相似文献   
77.
ABSTRACT

Firm innovation is embedded in a collaboration network among researchers and a knowledge network composed of knowledge elements; the two networks are decoupled. Guided by social network theory, this study puts forward the definition and the classification of firm dual network structure, probes into the influence of dual network structure on firm performance, and explores the alignment between innovation strategy and firm dual network structure. We conduct an empirical study of 183 listed companies in China from 2004 to 2018. It is found that the four types of dual network structure all have positive impacts on firm performance, and the impact of a collaboration network is slightly higher than that of a knowledge network. Besides, innovation strategy plays a positive moderating role in the relationship between dual network structure and firm performance. Our findings provide new ideas for firms to identify and optimise knowledge and collaboration network structures and match them with innovation strategy to improve performance.  相似文献   
78.
刘智 《经济地理》2020,40(2):209-216
通过构建乡村旅游与农村可持续生计系统指标体系,运用变异系数和耦合协调度模型对2005—2018年张家界乡村旅游与农村可持续生计的耦合度和协调度进行测算,分析耦合协调度的空间格局,并运用地理探测器方法对其驱动机制进行分析。研究表明:①2005—2018年耦合协调度保持连续上升的趋势;②乡村旅游发展初期呈现东部高西部低的分布格局,中期呈现东南部滞后于西部的分布格局,但最终张家界整个区县达到优质协调;③耦合协调度空间分异的主要影响因素有人均GDP、旅游收入占GDP比重、农业机械化水平和人均财政收入等,且具有明显的时间异质性特征。  相似文献   
79.
This paper provides evidence on how corporate multinationality from the perspective of acquiring firms relates to M&A returns. Using multivariate regressions and a large dataset of over 6,000 M&As (both cross-border and domestic) by UK firms during 1987 to 2014, the paper finds multinationality to be associated with significantly higher short-run announcement returns and long-run operating performance. While the multinationality premium (higher M&A returns for multinationals) persists over time, it seems to be restricted to firms with superior resource/managerial capabilities and minimal agency problems. Finally, the multinationality premium appears to be driven by foreign acquisitions into advanced economies. The results are robust to correcting for sample selection bias and controlling for several firm and deal characteristics, as well as accounting for firm-, industry-, and year-fixed effects. Collectively, the findings imply that multinationality could be a source of value creation for acquiring firms, particularly in foreign acquisitions, which tend to be complex, and, thereby, require superior managerial capabilities to succeed.  相似文献   
80.
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