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   625篇
  免费   13篇
财政金融   156篇
工业经济   41篇
计划管理   107篇
经济学   111篇
综合类   6篇
运输经济   1篇
旅游经济   14篇
贸易经济   118篇
农业经济   28篇
经济概况   56篇
  2023年   4篇
  2021年   5篇
  2020年   13篇
  2019年   8篇
  2018年   10篇
  2017年   20篇
  2016年   17篇
  2015年   8篇
  2014年   13篇
  2013年   87篇
  2012年   30篇
  2011年   25篇
  2010年   19篇
  2009年   10篇
  2008年   17篇
  2007年   19篇
  2006年   20篇
  2005年   12篇
  2004年   9篇
  2003年   14篇
  2002年   18篇
  2001年   21篇
  2000年   12篇
  1999年   16篇
  1998年   7篇
  1997年   10篇
  1996年   14篇
  1995年   11篇
  1994年   7篇
  1993年   10篇
  1992年   9篇
  1991年   7篇
  1990年   8篇
  1989年   7篇
  1988年   6篇
  1987年   5篇
  1986年   7篇
  1985年   8篇
  1984年   10篇
  1983年   8篇
  1982年   3篇
  1981年   9篇
  1980年   5篇
  1979年   9篇
  1978年   11篇
  1977年   7篇
  1976年   3篇
  1975年   4篇
  1974年   3篇
  1971年   11篇
排序方式: 共有638条查询结果,搜索用时 15 毫秒
11.
12.
In the western world, stock markets arose from the search by privately owned companies for capital to build their businesses. Over time, the markets became places where ownership interests and even entire companies were bought and sold. In China, the complete opposite has happened. The markets arose out of the need for capital by bankrupt state‐owned enterprises operating in an economy with no history of private property. Deng Xiaoping, China's last emperor, gave the green light for the stock market experiment in early 1992 more with the hope of encouraging reform and efficiency than from any conviction that stock markets were the next sure thing. Now, after more than 20 years of experimentation with domestic and international listings, it appears evident that stock markets whose primary function is to trade minority interests in government‐controlled companies have not achieved the goal of improving enterprise performance, as China's leaders originally hoped. Instead, the combination of state monopolies with Wall Street expertise and international capital has led to the creation of national companies that represent little more than the incorporation of China's old Soviet‐style industrial ministries. As for the markets, the government's determination to prevent real privatization has produced separate classes of shares that are defined almost entirely by one thing: the shareholder's relationship to the government. And with all aspects of stock market activity regulated, managed, and owned by various state agencies, it is not surprising that non‐state investors have become motivated more by speculative opportunities than by investment fundamentals. But a quarter of a century is a short time in any country's development and, for all their shortcomings, the markets in mainland China and Hong Kong have played a significant role raising capital for China. It may be too early, perhaps, to suggest that China's equity markets have failed to accomplish what they were intended to do.  相似文献   
13.
Joe Sacco is best known for works that blend journalism with the format and structure of comic books. Sacco’s prior work has considered themes of political conflict, legacies of violence, and marginalization across a range of geographic contexts, including Bosnia, the Middle East, and the United States. This interview, conducted by the authors with Joe Sacco on 16 November 2015, explores these and other themes in an attempt to situate the positionality and choices of the creator of geopolitical narratives in the broader literature on critical geopolitics. We consider the themes of subject, representation, audience response, and stylistic influences, among others, in our conversation.  相似文献   
14.
This paper investigates the expenditure patterns of South African households using detailed cross‐sectional expenditure and price data that varies across region and time. Linear expenditure system parameter estimates are used to calculate income and price elasticities for a number of product categories at different points of the income distribution. We find substantial variation in the price and income elasticities of demand for items across the income distribution, with the bottom quartile being extremely sensitive to increases in the price of food and clothing items, and the top quartile being as sensitive as households in developed countries.  相似文献   
15.
Carl Sherwood 《Applied economics》2017,49(56):5698-5708
Many students enrolled in first year introductory statistics courses believe learning statistics is a waste of time and fear they will fail. In this study, we explored the impacts on learning outcomes for students in an introductory statistics course by allowing students to arbitrarily choose their own sequence of learning from three key learning activities, namely tutorials, Peer-Assisted Study Sessions and Computer-Managed Learning quizzes. Unlike the old regime where the learning activities followed a strict, rigid sequence, a new regime allowed students to freely choose when, where and how they engaged with the course learning activities. This allowed increased opportunities for students to receive relevant and timely feedback. Using a total of 1187 students enrolled in semester 2 of 2011, 2012 and 2013, data were collected on students’ scores from 7 assessment tasks. Our experimental design ensured as many course features as possible remained constant between the control cohorts (of 2011 and 2012) and the experimental cohort (2013), thereby avoiding potential sample selection problems. The findings showed student learning outcomes in the new regime improved significantly. Interestingly, the effects were found to be greatest in the lower percentile of the score distribution.  相似文献   
16.
17.
This article develops and empirically implements an arbitrage-free,dynamic term structure model with "priced" factor and regime-shiftrisks. The risk factors are assumed to follow a discrete-timeGaussian process, and regime shifts are governed by a discrete-timeMarkov process with state-dependent transition probabilities.This model gives closed-form solutions for zero-coupon bondprices, an analytic representation of the likelihood functionfor bond yields, and a natural decomposition of expected excessreturns to components corresponding to regime-shift and factorrisks. Using monthly data on U.S. Treasury zero-coupon bondyields, we show a critical role of priced, state-dependent regime-shiftrisks in capturing the time variations in expected excess returns,and document notable differences in the behaviors of the factorrisk component of the expected returns across high and low volatilityregimes. Additionally, the state dependence of the regime-switchingprobabilities is shown to capture an interesting asymmetry inthe cyclical behavior of interest rates. The shapes of the termstructure of volatility of bond yield changes are also verydifferent across regimes, with the well-known hump being largelya low-volatility regime phenomenon.  相似文献   
18.
推广转基因抗虫棉对次要害虫农药施用的影响分析   总被引:3,自引:0,他引:3  
本研究的主要目的是分析在转基因抗虫棉有效控制棉花主要害虫(棉铃虫)、减少农药施用之后,可能导致的对棉花次要害虫的影响。通过多年的棉农生产跟踪调查和计量模型分析,研究结果表明,近年来棉农用来控制次要害虫的农药施用量有所增加,应引起有关部门的重视,但它的农药施用量远远小于采用转基因抗虫棉后整体减少施用的农药量;研究还发现,转基因抗虫棉在控制主要害虫农药施用量的减少,不是导致次要害虫农药施用量增加的主要原因,它仅仅能解释次要害虫农药施用增加量的一小部分。  相似文献   
19.
Over the last decade, many central banks have adopted policies known as inflation targeting. If intermediate-level macroeconomics students are to be prepared to think about current policy issues, it is important to provide them with an introduction to the macroeconomic implications of inflation targeting. Unfortunately, the standard aggregate demand-aggregate supply frameworks commonly used to teach intermediate macroeconomics are not well suited for this task because they are expressed in terms of output and the price level and because they fail to make explicit the policy objectives of the central bank. The author provides a simple graphical device involving the output gap and the inflation rate that overcomes these problems and that can be used to teach intermediate macroeconomics students about inflation targeting.  相似文献   
20.
This study investigated restaurants’ response to the aging population’s preferences. Gaps between previously identified preferences and current restaurant design were examined. The observational survey assessed: parking and outside accessibility, comfort and inside accessibility, menu readability, and restrooms. Occasional gaps were found even though restaurants were generally well-designed. Casual dining restaurants were more likely to meet consumer preferences as to the exterior, seating, and service. Limited-service restaurants better met preferences for the bathrooms, lighting, and sound. This information may be helpful when building or remodeling restaurants and may help restaurants to attract older customers.  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