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   452篇
  免费   22篇
财政金融   60篇
工业经济   26篇
计划管理   93篇
经济学   147篇
综合类   2篇
运输经济   7篇
旅游经济   8篇
贸易经济   102篇
农业经济   13篇
经济概况   16篇
  2023年   4篇
  2022年   7篇
  2021年   7篇
  2020年   18篇
  2019年   27篇
  2018年   15篇
  2017年   32篇
  2016年   24篇
  2015年   14篇
  2014年   15篇
  2013年   64篇
  2012年   21篇
  2011年   28篇
  2010年   28篇
  2009年   29篇
  2008年   20篇
  2007年   15篇
  2006年   10篇
  2005年   8篇
  2004年   9篇
  2003年   8篇
  2002年   7篇
  2001年   7篇
  2000年   7篇
  1999年   4篇
  1998年   3篇
  1997年   6篇
  1996年   4篇
  1995年   8篇
  1994年   1篇
  1993年   8篇
  1992年   3篇
  1989年   1篇
  1985年   2篇
  1984年   3篇
  1983年   1篇
  1982年   1篇
  1981年   4篇
  1979年   1篇
排序方式: 共有474条查询结果,搜索用时 15 毫秒
71.
In a general equilibrium model where firms are heterogeneous in terms of productivity, we introduce differentiated goods in production that are not perfect substitutes, as well as intermediate inputs needed to produce those goods. We show that an increase in either the complementarity of differentiated goods or the share of intermediate inputs in gross output, significantly increases the negative effect of entry costs on total factor productivity (TFP) and output per worker. We also find that the effect of complementarity is quantitatively stronger. If we assume an empirically plausible value for the elasticity of substitution between differentiated goods, then the model considerably improves its ability to reproduce the observed negative relationship between entry costs and TFP or output per worker.  相似文献   
72.
Innovation and the use of information and communication technologies (ICT) are key areas for the European Cohesion Policy. Studies available at the regional level explore innovation and ICT use incorporating different variables, while those investigating ICT use mainly focus on that of households. This paper investigates the existence of common factors for innovation and ICT at the regional level, considering not only ICT use by households but also that of firms. Using factorial and spatial regression analysis, we find that although ICT use and innovation are mainly explained by different variables, knowledge-intensive services and the percentage of population aged 15–64 are common to all of them. In addition, ICT use by households and ICT use by firms are basically driven by different factors. Government quality is the main factor explaining ICT use at home, while ICT use by firms is mostly driven by employment in knowledge-intensive services. R&D is the main variable explaining innovation. We also find positive spatial effects, which are particularly notable in ICT use by households. The results stress the importance of promoting specialization strategies based on the knowledge economy that may contribute to creating synergies between innovation and ICT use in different environments.  相似文献   
73.
While the post Keynesian literature offers a rather clear concept for growth-oriented policies, it is necessary to adapt them for peripheral emerging economies. We base our analysis of an appropriate Keynesian policy mix for these countries on the concept of currency hierarchy, where the currencies of peripheral emerging economies have a lower liquidity premium than the currencies of advanced economies. The international asymmetry related to the currency hierarchy, amplified by financial globalization, imposes major constraints to the adoption of Keynesian policies for these economies. Under these conditions, we argue that domestic economic policy coordination should lay a major focus on a low policy rate and, especially, a competitive exchange rate for obtaining, at least, a balanced current account, in order to prevent capital flows boom-bust-cycles with subsequent financial crises. We conclude that it is a rather ambitious and long-term goal to climb up the currency hierarchy, especially under the current condition of financial globalization.  相似文献   
74.
Planning as part of public sector decision-making situations is an activity of critical importance, with direct relevance for urban planners. The ramifications of such decisions generally have significant effect on peoples’ lives. The current paper deals with the comparison between territorial maps in the context of districting problems with a strong socio-economic component. The theoretical problem involves the comparison of two partitions in a connected, undirected, and planar graph. In considering this problem, we introduce three new indices to compare territory partitions: compatibility, inclusion, and distance, all of which have importance for real-world planning situations. Numerical experiments of these indices were carried out for the communes network in (Iˆle de France), France.  相似文献   
75.
Traditional timing models are affected by several biases, which generate spurious timing and stock-picking coefficients. Academics have appointed different causes as the possible sources of these biases. A negative correlation between timing and stock-picking abilities arises as a consequence of the biases in traditional timing models. This article provides evidence for one bias commonly found in traditional timing models, which is related with options. We focus on this bias in view of the scant attention it has so far received in the literature. We believe one possible cause for this bias is the failure to include the cost of the option implicit in timing activities in the timing models, and on this basis, we opt for a corrected version of the Merton and Henriksson model (1981 Merton, RC and Henriksson, RD. 1981. On market timing and investment performance II: statistical procedures for evaluating forecasting skills. Journal of Business, 54: 51334. [Crossref] [Google Scholar]). This study therefore is a pioneer in the assessment of the magnitude of this bias and in the measurement of the impact of its correction on fund managers’ results. Our results confirm both the existence of the bias and the correction of the problem when the cost of the option is included in timing models. The modified version of the Merton and Henriksson model, unlike the traditional model, reports positive timing and stock-picking coefficients, supporting the good performance by managers.  相似文献   
76.
ABSTRACT

In this article we show that the results obtained by accounting-based fundamental analysis strategies observed in the US market cannot be directly extended to emerging markets with less developed institutional environments and narrow equity markets as found in Latin America. We use Brazil as a special case and through standard tests show the apparent usefulness of financial statement analysis as an effective investment tool. We show that an investor could have changed his/her high book-to-market (HBM) portfolio one-year (two years) market-adjusted returns from 5.7% (42.4%) to 26.7% (120.2%) by selecting financially strong HBM firms listed on the São Paulo Stock Exchange. Our tests were performed using stock returns from 1995 to 2007 and financial and accounting data from 1994 to 2004. When one considers low book-to-market (LBM) firms, the results of the study indicate that an investor could change his/her mean (median) one-year market adjusted return from ?11.9% (?7.4%) to 8.1% (2.5%) by adopting the strategy proposed. However, additional investigation demonstrates that the returns generated by these strategies are significantly dependent on stock's liquidity, and when we consider only stocks where arbitrage is possible, the previous results do not hold. These findings contribute to the literature that tries to address the impact of limits to arbitrage on some well reported capital markets phenomena related to financial reporting.  相似文献   
77.
ABSTRACT

This article's objective is to analyze the influence innovative organizational culture has on marketing strategy formulation and results, and how this relationship affects organizational performance. The theoretical basis lies in Menon et al.'s (1999 Menon , A. , Bharadwaj , S. G. , Adidam , P. T. , and Edison , S. W. ( 1999 ). Antecedents and consequences of marketing strategy making: A model and a test . Journal of Marketing , 63 , 1840 .[Crossref], [Web of Science ®] [Google Scholar]) model. The methodology included a survey with medium to large Brazilian companies in different sectors. The final sample consisted of 153 questionnaires that were valid for analysis. Techniques for statistical analysis including singular and multivariate methods were used, from which the relationships between constructs were established by structural equation modeling. Results show a positive relationship between innovative organizational culture, the marketing strategy process, and organizational performance. However, innovative culture does not have a direct influence on performance.  相似文献   
78.
ABSTRACT

This article analyzes what influences a firm's choice of strategy—why some firms stick to defensive strategies while others rely on offensive ones. With this in mind a survey was conducted on mineral sector companies associated with the Brazilian Mining Institute. The results show that the majority of companies use an offensive strategy and that some companies use more than one strategy at the same time. That is, they possess a corporate strategy and a sustainability strategy.  相似文献   
79.
Tourism is a very important tool for economic development. However, its economic effects are mainly conditioned by the level of leakage. This work defines leakage, provides an original evaluation of the entrepreneurial environment in showing that it is the one with the lowest level of leakage, and creates a new framework. It also measures leakage in an innovative way using a quantitative approach. In addition, the paper explores and shows how leakage can affect critical business factors, such as customer and employee satisfaction. The empirical study uses structural equations and data from hotels in the Valencian Region (Spain) to show how important leakage is in making businesses more competitive. The results confirm the new model and are of interest for company managers and public organizations.  相似文献   
80.
We present the results of eight models that differ with respect to the time behavior of technical inefficiency and the presence of country heterogeneity. When taken into account, heterogeneity raises average technical change estimates, however technical progress rankings become counter-intuitive.  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