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   2294篇
  免费   193篇
  国内免费   1篇
财政金融   405篇
工业经济   165篇
计划管理   164篇
经济学   1031篇
综合类   33篇
运输经济   16篇
旅游经济   26篇
贸易经济   260篇
农业经济   129篇
经济概况   259篇
  2023年   13篇
  2022年   20篇
  2021年   31篇
  2020年   82篇
  2019年   93篇
  2018年   60篇
  2017年   85篇
  2016年   72篇
  2015年   78篇
  2014年   167篇
  2013年   205篇
  2012年   177篇
  2011年   276篇
  2010年   144篇
  2009年   147篇
  2008年   137篇
  2007年   139篇
  2006年   132篇
  2005年   83篇
  2004年   56篇
  2003年   45篇
  2002年   28篇
  2001年   19篇
  2000年   9篇
  1999年   15篇
  1998年   19篇
  1997年   8篇
  1996年   30篇
  1995年   21篇
  1994年   23篇
  1993年   3篇
  1990年   1篇
  1987年   1篇
  1985年   13篇
  1984年   11篇
  1983年   11篇
  1982年   8篇
  1981年   6篇
  1980年   10篇
  1979年   5篇
  1978年   4篇
  1977年   1篇
排序方式: 共有2488条查询结果,搜索用时 31 毫秒
101.
We revisit the Cournot–Bertrand debate in the light of Cournot, Edgeworth and Launhardt, tracing back to Launhardt the origin of price competition in duopoly models with constant returns to scale. Then, we discuss the formalisation of consumer utility function for differentiated products, first appearing in Launhardt and then in Bowley. This allows us to point out that assuming that firms know the demand function(s) is equivalent to assuming that they know the structure of consumer preferences. Therefore, we argue that there is no role for the auctioneer, either in Cournot or in Walras.  相似文献   
102.
Using data from an exclusive file‐sharing Web site that allows users to share music files using the BitTorrent protocol, I exploit exogenous variation in the availability of sound recordings in file‐sharing networks to isolate the causal effect of file sharing of an album on its sales. Using within‐album variation in illegal downloads and sales, I find that the effect is essentially zero: The elasticity of sales with respect to illegal downloads is one‐tenth of one percentage point. However, the finding that file sharing is not harmful to individual artists is not inconsistent with the well‐documented fact that file sharing is harmful to the music industry (the fallacy of composition). More important, I find that file sharing benefits more established and popular artists who are signed to major labels, which is consistent with recent industry trends.  相似文献   
103.
This article examined the empirical relationship between prices paid for national 3G wireless licenses when spectrums were sold by auction. The reduced-form modelling approach was based on the premise that auction design features can, and do, affect both final (revenue) and intermediate (viz., auction competitiveness and license assignment) auction outcomes. Importantly, the analysis recognizes, and explicitly allows for, the endogeneity of bidder entry and sample selection arising from an absence of bidding. Generally, these key features have only received attention in isolation. In particular, the study addressed the principal question of: which regulator chosen auction design variables determine prices paid in spectrum auctions? The analysis showed that flexible-package formats increased prices paid, and that higher reserve prices had a dampening effect. The article also showed that longer license terms and more competitive auctions (as measured by the bidders-to-licenses ratio) enhance prices paid.  相似文献   
104.
Corruption has been found to be the most severe obstacle to business operations, according to a recent survey of over 3000 firms in Myanmar. This paper sets out to understand the structure of corruption through an econometric analysis of this survey. It finds that firms with higher ‘ability to pay’ (proxied by sales revenue and employee growth) are more likely to pay bribes. While firms with lower ‘refusal power’ (i.e. those dependent on bureaucratic permissions to export and import) are more likely to find corruption to be an obstacle. A distinct but related question is whether bribes act as ‘efficiency grease’ by allowing firms to circumvent red tape. No evidence is found to support this hypothesis; in fact, firms that pay bribes report greater bureaucratic hassle compared to firms that do not. This result fits in more closely with the view that red tape could be used to extract bribes from firms.  相似文献   
105.
Using returns to scale as a conceptual foundation, we explore how R&D-related earnings performance and earnings variability depend upon firm size. We find that the positive association between the level of future earnings and R&D intensity increases with firm size, and that the positive association between the volatility of future earnings and R&D intensity decreases with firm size, consistent with R&D productivity increasing with scale. We also show that R&D scale is associated with lower market returns, consistent with the idea that R&D investment risk declines with scale.  相似文献   
106.
Despite the generally recognized importance of knowledge spillovers, the empirical literature is essentially silent on the type of innovation stimulated by spillovers. We estimate the determinants of product innovations differing in their degree of newness to the adopting firm. Knowledge spillovers from rivals have a positive impact on incremental innovations. This impact is largely independent of participation in R&D cooperation. Spillovers exert no such independent influence on drastic innovation activities. The results support the hypothesis that establishments face difficulties in using knowledge that comes from areas they are not familiar with. Establishments exploit spillovers for incremental innovations rather than for drastic innovations. To some degree R&D cooperation can help to overcome the difficulties in using spillovers for drastic innovations. Furthermore, our estimates provide evidence that the firm's own R&D effort and the use of outside information are substitutes.  相似文献   
107.
This paper analyses the extent to which the level of bank competition influences monetary policy transmission. Using a large panel dataset of 978 banks from 55 countries, and employing the Lerner index model as a measure of market structure, our results show that an increase in banking sector competition weakens the effectiveness of monetary policy on bank lending. The findings are robust to a broad array of sensitivity checks including control of alternative measurements of the Lerner index, different samples and different methodological specifications. By extension, these results have important policy implications for regulators in assessing the effectiveness of monetary policy transmission mechanisms.  相似文献   
108.
Abstract This study uses panel data on Canadian establishments to explore the relationship between the organization of work – in particular decentralization, information‐sharing, and incentive pay schemes – and innovation. Like other studies, ours finds a clear positive link between these factors. However, the data give strong indications that this relationship is not causal. We show that: (1) the correlation between workplace organization and innovation holds for information‐sharing but is much weaker for decentralized decision‐making or incentive pay programs, (2) controls for unobserved heterogeneity significantly weaken results, and (3) lagged variables give no clear evidence that organizational changes predate innovation.  相似文献   
109.
In this paper, we investigate the causal impact of workplace health and safety practices on firm performance, using Danish longitudinal matched employer–employee data merged with unique cross‐sectional representative firm survey data on work environment conditions. We estimate standard production functions, augmented with workplace environment indicators, addressing both time‐invariant and time‐varying potentially relevant unobservables in the production process. We find positive and large productivity effects of improved physical dimensions of the health and safety environment, specifically, “internal climate” and “monotonous repetitive work”.  相似文献   
110.
This note considers the competing vertical structures framework with Cournot‐Bertrand competition downstream. It shows that the equilibrium wholesale price paid by a Cournot (Bertrand)‐type retailer is above (below) marginal costs of a corresponding manufacturer. This result contrasts with the one under pure competition downstream (i.e., Cournot or Bertrand), where the wholesale price is set below (above) marginal costs in case of a Cournot (Bertrand) game at the retail level.  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