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   22068篇
  免费   682篇
  国内免费   1篇
财政金融   4300篇
工业经济   2042篇
计划管理   3773篇
经济学   4742篇
综合类   258篇
运输经济   209篇
旅游经济   382篇
贸易经济   3702篇
农业经济   1176篇
经济概况   2157篇
信息产业经济   1篇
邮电经济   9篇
  2023年   119篇
  2021年   149篇
  2020年   289篇
  2019年   403篇
  2018年   439篇
  2017年   464篇
  2016年   447篇
  2015年   338篇
  2014年   498篇
  2013年   2332篇
  2012年   661篇
  2011年   756篇
  2010年   649篇
  2009年   792篇
  2008年   708篇
  2007年   693篇
  2006年   641篇
  2005年   529篇
  2004年   530篇
  2003年   521篇
  2002年   533篇
  2001年   463篇
  2000年   488篇
  1999年   414篇
  1998年   422篇
  1997年   426篇
  1996年   382篇
  1995年   357篇
  1994年   353篇
  1993年   342篇
  1992年   379篇
  1991年   347篇
  1990年   292篇
  1989年   258篇
  1988年   244篇
  1987年   287篇
  1986年   260篇
  1985年   374篇
  1984年   420篇
  1983年   384篇
  1982年   332篇
  1981年   309篇
  1980年   311篇
  1979年   313篇
  1978年   212篇
  1977年   200篇
  1976年   159篇
  1975年   162篇
  1974年   140篇
  1973年   138篇
排序方式: 共有10000条查询结果,搜索用时 46 毫秒
41.
While the dynamic theory of production provides little insight towards identifying a specific functional form for the firm's technology, dynamic production analysis has been explored traditionally in a parametric framework. A nonparametric dynamic dual cost approach to production analysis is developed in this article. Recovering technological information from intertemporal cost minimizing behavior is possible without imposing a parametric functional form on the firm's technology. Nonparametric tests to analyze the structure of a dynamic technology are presented from a dynamic cost minimizing perspective. The empirical implementation of these tests is illustrated for a balanced panel data set of Pennsylvania dairy operators during the time period 1986–1992.  相似文献   
42.
Abstract The research question in the present article can be phrased in the following way: what are the elements which influence the perception of the utility of information received from another function? A field study research has been conducted in 40 Belgian companies. In each company, we have studied two on-going innovation projects (one planning project, one development project). Crossfunctional communication behaviours at the R&D/marketing interface have been measured by means of mailed structured questionnaires. Three-hundred and eighty-six questionnaires have been returned. The data analyses show that there are four underlying information dimensions, i.e. the perceived relevance, the perceived comprehensibility, the perceived novelty and the perceived credibility of information. We also discuss some contingency variables (function of the message receiver, stage in the innovation process) that might moderate the impact of these dimensions. It will be shown that the interaction between source and receiver has a significant impact on the perceived credibility, the perceived comprehensibility and the perceived novelty of the received information.  相似文献   
43.
The paper extends Manning's model on education and balanced growth to include labour immigration. Each immigration unit is assumed to consist of one skilled worker and some unskilled members. The optimal immigration policy which maximizes the per capita steady-state consumption of the host country is derived. We show that optimal immigration policy can reduce the steady-state skilled labour ratio. More interesting still, contrary to the widespread belief that immigration of skilled workers hurts local skilled workers, it is the unskilled local workers whose interests are threatened by optimal immigration policy.  相似文献   
44.
This paper compares the approximation capabilities of the minflex-Laurents translog and minflex generalized Leontief cost functions with their translog and generalized Leontief counterparts in Monte Carlo experiments. The minflex Laurent specifications generally provided closer approximations to underlying technical and economic parameters. Imposition of nonlinear restrictions on some of the parameters of the minflex Laurent models yielded measurable improvement in estimated elasticities of substitutions, returns to scale, and rates of technical change.The refereeing process of this paper was handled through E. Appelbaum.  相似文献   
45.
Offshoring in the New Global Political Economy   总被引:5,自引:1,他引:4  
abstract    This essay challenges claims by economists and management scholars that 'offshoring' is simply another form of trade with mutual benefits. I argue that reducing wages through offshoring leads to wealth creation for shareholders but not necessarily for countries and employees, and that many displaced workers have difficulty 'trading up' to higher skilled jobs. Offshoring is a new phenomenon that entails the organizational and technological ability to relocate specific tasks and coordinate a geographically dispersed network of activities. It decouples the linkages between economic value creation and geographic location. The result is the creation of global commodity markets for particular skills and a shift in the balance of market power among firms, workers, and countries.  相似文献   
46.
In social project appraisal, the policy profile of both distributional welfare weights and the social discount rate has risen considerably in recent years. This fact has important implications for the allocation of funds to social projects and policies in countries, and in unions of countries such as the EU. A key component in the formulae for both welfare weights and the social discount rate is the elasticity of marginal utility of consumption, e. A critical review of existing evidence on e suggests that the UK Treasury's preferred value of unity is too low. New evidence presented in this paper, based on the structure of personal income tax rates, suggests that, on average, for developed countries e is close to 1.4. This particular approach to the estimation of e has previously been under‐utilised by researchers.  相似文献   
47.
48.
49.
For many if not most publicly traded companies, acquisition capabilities remain a critical component of sustainable longterm growth and profitability. And even as investors press companies to return excess capital through dividends and stock buybacks, the market continues to assign premium valuations to companies that earn above-average returns through a combination of internal investment and judicious acquisition spending.
This article begins by describing major challenges facing acquirers in the current business and regulatory environment. Then, after showing how M&A can be used to address strategic goals, the authors identify key elements in the M&A strategies of three highly successful companies: General Electric, Danaher, and Illinois Tool Works.  相似文献   
50.
This paper investigates India's exceptional development pattern, specifically the major importance of information technology services (ITS), and compares it with China's development pattern. Both countries want to develop capabilities for carrying out the innovation of technologies that compete at the state-of-the-art in the world market. The paper posits that technological/economic success in the contemporary world market requires the ability to innovate complex technologies and complex technology-related services. The share of trade represented by complex technologies is compared with the “high-tech” share. The trading patterns of the two countries are compared using United Nations data. Two case studies of Indian ITS companies are then compared with two case studies of Chinese manufacturing companies. Historical and cultural differences appear to explain some of the differences in the development patterns of the companies located in the two countries.  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