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   63641篇
  免费   2293篇
  国内免费   1160篇
财政金融   5646篇
工业经济   2568篇
计划管理   12257篇
经济学   11696篇
综合类   12483篇
运输经济   381篇
旅游经济   1009篇
贸易经济   8195篇
农业经济   4457篇
经济概况   8400篇
信息产业经济   2篇
  2024年   156篇
  2023年   725篇
  2022年   858篇
  2021年   1280篇
  2020年   1664篇
  2019年   1167篇
  2018年   1058篇
  2017年   1178篇
  2016年   1303篇
  2015年   1552篇
  2014年   3624篇
  2013年   4257篇
  2012年   5097篇
  2011年   6545篇
  2010年   4808篇
  2009年   4362篇
  2008年   4980篇
  2007年   4693篇
  2006年   4571篇
  2005年   3403篇
  2004年   2440篇
  2003年   1964篇
  2002年   1263篇
  2001年   1163篇
  2000年   753篇
  1999年   379篇
  1998年   200篇
  1997年   209篇
  1996年   148篇
  1995年   84篇
  1994年   75篇
  1993年   79篇
  1992年   53篇
  1991年   43篇
  1990年   39篇
  1989年   30篇
  1988年   20篇
  1987年   13篇
  1986年   15篇
  1985年   174篇
  1984年   195篇
  1983年   137篇
  1982年   99篇
  1981年   58篇
  1980年   73篇
  1979年   45篇
  1978年   36篇
  1977年   23篇
  1975年   1篇
  1973年   1篇
排序方式: 共有10000条查询结果,搜索用时 109 毫秒
41.
Following the approach of interpolation, this paper proposes the multiple exponential decay model to fit yield curves for both the U.S. TIPS market and the conventional Treasury security market. Several estimation methods, including the unconstrained/constrained nonlinear minimization, quadratic programming, and the iterative linear least squares, are applied to estimate the unknown parameters according to different curve‐fitting purposes. Comparisons between the proposed model and the alternatives show that the multiple exponential decay successfully (1) adapts to a variety of shapes associated with yield curves, (2) (partially) keeps in line with the economic interpretations of Nelson–Siegel summarized by Diebold and Li ( 2006 ), and (3) dominates the competing models in curve‐fitting performance measured by mean fitted‐price errors over the sample period. In addition, the exact specification of a nonparametric interpolation model is pinned down by applying three statistical tools, which enable us to jointly take into account validity, optimality, and parsimoniousness of the proposed model.  相似文献   
42.
The advent of the Great Recession and the widespread adoption of fiscal austerity policies have heightened concern about inequality and its effects. We examine how the distribution of income in Ireland—a country which experienced one of the most severe economic contractions—has evolved over the years 2008 to 2013. Standard cross‐sectional analysis of the income distribution shows broad stability in the Gini coefficient and in decile shares, with one main exception: the share of the bottom decile fell sharply, with the largest fall in average incomes being for that group. Longitudinal analysis shows that the falls in the average income for the bottom decile were not due to decreasing income for those remaining in the bottom decile, but to falls in income from those initially located in higher deciles. The extent of redistribution through taxes and transfers increased strongly, as measured by the Reynolds‐Smolensky index, which rose from 0.20 before the onset of the crisis to 0.27 in 2013. Analysis indicates that about three‐quarters of this increased redistribution is due to automatic stabilisers and one‐quarter to discretionary policy changes.  相似文献   
43.
隔代抚育会对延迟退休年龄政策在促进劳动力供给上产生挤出效应。为了对此进行验证,本文在工资收入随机性的假定及延迟退休5年的情景下,模拟了面临孙辈照护需求的女性临近退休者提前退休所产生的福利变化。进一步,本文采用CHIP和CHARLS的微观调查数据,对不同群组的收入增长率和收入风险进行了估计,继而分析了当面临孙辈照护需求时这些收入特征对退休决策者制度退休和退休后劳动参与抉择产生的影响。总体上,在延迟退休年龄政策下,隔代抚育将对女性劳动力供给产生挤出效应。当面临孙辈照护需求时,女性临近退休者的制度退休抉择主要受自身收入增长率和收入风险的影响,收入增长率越低,或收入风险越高,她们提前退休的意愿就越强烈;制度退休后的劳动参与则更多地受子女收入增长率的影响,子女收入增长率越高,劳动参与的概率越低。  相似文献   
44.
I study the implications for central bank discount window stigma of a workhorse model of adverse selection in financial markets. In the model, firms (banks) need to borrow to finance a productive project. There is limited liability and firms have private information about their ability to repay their debts, which gives rise to the possibility of adverse selection. The central bank can ameliorate the impact of adverse selection by lending to firms. Discount window borrowing is observable and it may be taken as a signal of firms' credit worthiness. Under some conditions, firms borrowing from the discount window may pay higher interest rates to borrow in the market, a phenomenon often associated with the presence of stigma. I discuss these and other outcomes in detail and what they suggest about the relevance of stigma as an empirical phenomenon.  相似文献   
45.
高科技社会衍生“人为风险”,西方发达高科技国家倡导新型风险沟通,而后发场域由于系统落差,呈现出迟滞型风险沟通。通过构建全球化高科技风险社会、全球本地化风险沟通的新分析框架,发现高科技社会我国风险沟通面临着风险的社会放大、气泡结构、路径互动阙如、手段叠加、目标战略缺失、过程碎片化等迟滞困境。通过创新理念、吸纳型风险沟通、复合式路径、平衡化手段、连续统、政府学习和政府职能的“七位一体”再造,可有效重塑高科技社会我国风险沟通,推进国家风险治理体系和治理能力现代化。  相似文献   
46.
PSM has played an important role in the initial mitigation of risks caused by the COVID-19 pandemic. We explore the nature and scope of this role and develop a roadmap for PSM contributions towards greater supply chain resilience. We find that the role of PSM is (1) multidimensional; responding to supply risks but also to demand and logistics risks, (2) counter to game theory; collaboration increased instead of decrease, (3) multi-stage; beyond the initial response the hardest change efforts are still ahead. The pandemic is accelerating the journey towards future-proof PSM but not necessarily revolutionizing the future of PSM.  相似文献   
47.
Tolina Fufa 《Applied economics》2018,50(60):6512-6528
To study the role of financial development in economic growth, we apply an array of convergence tests designed to capture nonlinear transitional dynamics to real outputs per capita. Strong evidence of multiple convergence clubs is observed, implying that the clubs are formed based on the initial level of real output per capita and average growth rate. Our empirical results show that the stage of economic growth of each country plays an important role for the composition of the convergence clubs. Furthermore, financial development emerges to be a significant determinant, albeit plays differently in the economic growth of each convergence club.  相似文献   
48.
旅游收入是旅游经济活动的重要内容,它一方面反映了旅游者的旅游需求通过旅游经营者的旅游供给而不断得到满足,另一方面又体现着旅游产业部门和企业在产经营活动的价值运行与价值实现。旅游收入与分配是旅游经济运行的前提,对其进行考察分析,是十分重要的。本章从收入和分配两个方面入手,对旅游收入分类、指标、旅游企业收入和分配以及旅游收入乘数的作用等进行了分析和阐述。  相似文献   
49.
课程教学质量是高等学校的生命线,学分制模式下,工商管理类专业课程因其本身固有的特性,课程教学质量的提升在较大程度上依托于一个完善的质量监控体系的有效运作,为此高校要采取措施,在内部构建起课程教学质量的监控体系来确保人才培养质量,从而提高办学水平。  相似文献   
50.
According to everyone average welfare value of land resources; this paper constitutes the base line of glebe usufruct deal value by analyzing the factors, which are affecting glebe usufruct deal value. Having adopted share's quotient of ownership and contracting power, the paper erects assigning mechanism to the income of glebe deal. Because of the share dynarnicity being adopted which shows the flexible strong points, the shares of ownership and contracting power avoid many unnecessary otiose disputes on income of glebe deal, adding the stability to the glebe usufruct deal. It is beneficial to the freedom flow and validity manufacture factor installment and also to the nonagricultural changing course.  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