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   22509篇
  免费   893篇
  国内免费   339篇
财政金融   3624篇
工业经济   942篇
计划管理   3054篇
经济学   5401篇
综合类   2789篇
运输经济   196篇
旅游经济   209篇
贸易经济   2880篇
农业经济   1481篇
经济概况   3165篇
  2024年   79篇
  2023年   465篇
  2022年   373篇
  2021年   584篇
  2020年   932篇
  2019年   696篇
  2018年   570篇
  2017年   755篇
  2016年   701篇
  2015年   711篇
  2014年   1340篇
  2013年   1918篇
  2012年   1496篇
  2011年   1878篇
  2010年   1435篇
  2009年   1382篇
  2008年   1686篇
  2007年   1491篇
  2006年   1358篇
  2005年   1009篇
  2004年   748篇
  2003年   543篇
  2002年   390篇
  2001年   350篇
  2000年   212篇
  1999年   141篇
  1998年   88篇
  1997年   87篇
  1996年   57篇
  1995年   42篇
  1994年   33篇
  1993年   33篇
  1992年   25篇
  1991年   17篇
  1990年   6篇
  1989年   9篇
  1988年   3篇
  1987年   2篇
  1986年   2篇
  1985年   22篇
  1984年   30篇
  1983年   26篇
  1982年   13篇
  1981年   3篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
121.
谢玉萍 《价值工程》2004,23(3):77-79
本文分析了传统的NPV法在R&D项目投资评估中的缺陷,指出R&D项目投资本质上所具有的期权特性。在此基础上引入了实物期权方法,包括Black-Scholes期权定价方法和Geske期权定价模型。  相似文献   
122.
Chi-Yo  Joseph Z.  Gwo-Hshiung   《Technovation》2007,27(12):744-765
Since the year 2000, silicon intellectual property (SIP), which can minimize the gap in ‘design productivity’ that exists with systems-on-chip (SOC), has become one of the most important factors in the development of integrated circuit (IC) products in the SOC era. Although SIP is very important for IC industry development, complicated business, technical as well as legal issues inside SIP transactions have hindered successful transactions and the integration of SIPs into SOCs. Thus, web-based SIP e-Commerce mechanisms, called SIP Malls, have emerged, aiming to resolve complex SIP issues. To maintain its leading position and competitiveness in the World's IC industry, as well as the value added by SOC products in Taiwanese IC firms, the Taiwanese government has developed SIP Malls, using innovation policy tools. However, the Taiwanese SIP Mall industry remains immature. No existing Taiwanese SIP Malls generate a profit or account for a significant share of worldwide SIP transactions. This research will develop an analytical framework for defining an innovation policy portfolio that aims to develop Taiwan's SIP Mall industry, so that it will enhance the value added of SIP Malls and, thus, the nation's competitiveness in the SIP and IC industries, something which already has become one of the Taiwanese government's major concerns. The industry innovation requirements (IIRs) are summarized using the Delphi method. Meanwhile, the major IIRs identified by Decision Making Trial and Evaluation Laboratory (DEMATEL) are introduced. After the IIRs are derived, the relationships between the IIRs and innovation policy tools are derived by Grey relational analysis (GRA). Then, the innovation policy tools are clustered, based upon the Grey grades derived by GRA. Finally, reconfigured innovation policy portfolios are presented for the Taiwanese government's policy definition. The results demonstrate that developing an innovative policy portfolio that includes scientific, technical, educational, public enterprise, information, legal and regulatory, financial, and taxation policy tools will be the most necessary step towards developing Taiwan's SIP Mall industry.  相似文献   
123.
弱势群体就业扶持政策研究   总被引:1,自引:2,他引:1  
分析了当前我国弱势群体失业情况的严重性、特殊性及其原因 ,提出了构建我国弱势群体扶持政策的基本原则及标本兼治、着眼未来的就业扶持政策  相似文献   
124.
中国户口制度改革的理论分析   总被引:6,自引:0,他引:6  
随着户籍制度改革的深化 ,从完全禁止户口迁移到数量限制政策 ,再到征收费用政策和放开小城镇入户限制的逐步放松户籍管制政策 ,对经济发展的贡献日益增加 ,损害逐渐减轻。我国放开小城镇户籍限制的改革放活了地方经济。我国户籍制度改革进程是由经济内生决定的 ,城市经济发展的需要推进着户籍制度的改革进程。那些放开户籍限制的城市也没有出现人们担心的问题。放开户籍限制不会构成对城市就业、住房、治安、交通的压力 ,反而创造了发展的契机。  相似文献   
125.
在铁路货运营销中运用价格策略的探讨   总被引:1,自引:0,他引:1  
王慧晶 《物流科技》2006,29(4):60-62
价格是市场营销组合的重要因素。铁路货物运价制度运用得当与否直接关系着吸引运量的多少和使路运输企业利润的高低。并影响着运输市场营销组合的其它因素。根据营销环境的变化,灵活调整价格,科学制定价格策略,才能使企业获得最佳的经济效益。本文通过分析现行运价体系存在的问题,就如何在铁路货运营销活动中运用价格策略进行了探讨。  相似文献   
126.
With data gained from a controlled field experiment in Switzerland this paper analyses the effects of moral suasion on the timely paying and the timely filling out of the tax form 2001. Comparisons of different tax filing years and multiple regression estimations have been done using these two factors as dependent variables to check if there is a significant difference between the control group and the treatment group. In February 2002 the treatment group received a letter signed by the communes fiscal commissioner containing normative appeals. Results indicate that moral suasion has hardly any effect on taxpayers compliance behaviour. The strongest effect can be observed for the variable tax payments.Received: February 2003, Accepted: June 2004 JEL Classification: H260, H710BennoTorgler: Special thanks are due to the tax administration of Trimbach, especially to Adolf Müller and Gary Bitterli, who offered me the opportunity to collect the data and assisted the project. Furthermore I acknowledge the financial support of the WWZ-Forum and Swiss National Science Foundation and comments and suggestions from Doris Aebi, René L. Frey, the editor Kai A. Konrad and two anonymous referees.  相似文献   
127.
本文以会计目标作为会计理论体系的逻辑起点,阐述变迁理论背景以及在不同市场主体中会计目标表现出的不同特征,揭示市场不断地发育成熟作为变迁的原动力。认为会计目标与经济发展相适应,是促进市场经济发展而导致会计目标变迁的规律。  相似文献   
128.
中国企业海外上市问题及其对策研究   总被引:1,自引:0,他引:1  
随着全球化发展步伐的加快,我国也更加积极地参与全球经济体系,越来越多的中国公司开始进入海外证券市场筹集资金。中国企业海外上市在取得成绩的同时,也存在很多的问题。本文分析了中国企业海外上市存在的问题以及认识上的误区,并针对这些问题提出了相应的对策和建议。  相似文献   
129.
This article first examines how bad housing conditions are in Japan based on international comparisons. The next question is whether the extremely high land prices in Japan can be explained by economic logic. We then turn to more specific housing policy questions that are peculiar to or important in Japan, such as the tax advantages of owning land that have caused under-utilization of land and the reasons why the average size of Japanese rental housing is so small.  相似文献   
130.
The paper examines a model of strategic infrastructure investment. Two oligopolistic firms compete on home and foreign product markets for market shares. The national governments support the firms in the market rivalry by providing cost reducing public infrastructure services that are financed out of taxing an input used in the production process. It is shown, that infrastructure policy can be used as an instrument for strategic trade policy. However, governments are facing the problem of balancing the burden of taxation and the benefits of infrastructures. The theoretical model also raises some critical issues with respect to the policy relevance of recent empirical infrastructure research.  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