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   1848篇
  免费   90篇
财政金融   343篇
工业经济   155篇
计划管理   408篇
经济学   266篇
综合类   18篇
运输经济   57篇
旅游经济   64篇
贸易经济   355篇
农业经济   170篇
经济概况   99篇
信息产业经济   1篇
邮电经济   2篇
  2023年   11篇
  2022年   6篇
  2021年   17篇
  2020年   30篇
  2019年   46篇
  2018年   53篇
  2017年   71篇
  2016年   46篇
  2015年   30篇
  2014年   62篇
  2013年   223篇
  2012年   72篇
  2011年   77篇
  2010年   64篇
  2009年   57篇
  2008年   62篇
  2007年   52篇
  2006年   52篇
  2005年   54篇
  2004年   60篇
  2003年   58篇
  2002年   46篇
  2001年   54篇
  2000年   48篇
  1999年   50篇
  1998年   39篇
  1997年   27篇
  1996年   30篇
  1995年   21篇
  1994年   20篇
  1993年   32篇
  1992年   19篇
  1991年   21篇
  1990年   20篇
  1989年   20篇
  1988年   19篇
  1987年   23篇
  1986年   16篇
  1985年   27篇
  1984年   20篇
  1983年   19篇
  1982年   25篇
  1981年   19篇
  1980年   15篇
  1979年   11篇
  1978年   13篇
  1977年   14篇
  1976年   15篇
  1974年   13篇
  1973年   13篇
排序方式: 共有1938条查询结果,搜索用时 31 毫秒
11.
Current Issues in the Analysis of Commercial Real Estate   总被引:1,自引:0,他引:1  
This paper identifies and discusses a number of current issues regarding our understanding of commercial real estate markets. These issues include: 1) accurate estimation of the quantity and location of our nation's commercial space; 2) an understanding of the linkage between the space and capital markets for commercial real estate; 3) identification of the macroeconomic factors that affect the rate of return on commercial property and whether local market factors also affect the rate of return; 4) problems associated with measuring the return characteristics of equity investments in commercial property (including measures of the diversification benefits and inflation-hedging abilities of this asset class); 5) a better understanding of rental markets, including good measures of changes in effective rents over time; and 6) examination of the rationale for ownership of commercial space by corporate users. This paper reviews recent research related to these questions and suggests future research that should prove to be fruitful.  相似文献   
12.
When the indemnity schedule is contingent on the farmer's price and individual yield, an optimal crop revenue insurance contract depends only on the farmer's gross revenue. However, this design is not efficient if, as is the case with available contracts, the coverage function is based on imperfect estimators of individual yield and/or price. The producer's degree of prudence and the extent of basis risks have important influences on the optimal indemnity schedule. In this broader context, optimal protection is not provided by available U.S. crop insurance contracts and may include combinations of revenue insurance, yield insurance, futures, and options contracts.  相似文献   
13.
Federal funds and eurodollar futures contracts are among the most useful instruments for deriving expectations of the future path of monetary policy. However, reading policy expectations from those instruments is complicated by the presence of risk premia. This paper demonstrates how to extract the expected policy path under the assumption that risk premia are constant over time, and under a simple model that allows risk premia to vary. In the latter case, the risk premia are identified under the assumption that policy expectations level out after a long enough horizon. The results provide evidence that the risk premia on these futures contracts vary over time. The impact of this variation is fairly limited for futures contracts with short horizons, but it increases as the horizon of the contracts lengthens. © 2004 Wiley Periodicals, Inc. Jrl Fut Mark 24:733–754, 2004  相似文献   
14.
15.
Strategic management research has been characterized as placing less emphasis on construct measurement than other management subfields. In this work, we document the state of the art of measurement in strategic management research, and discuss the implications for interpreting the results of research in this field. To assess the breadth of measurement issues in the discipline, we conducted a content analysis of empirical strategic management articles published in leading journals in the period of 1998–2000. We found that few studies discuss reliability and validity issues, and empirical research in the field commonly relies on single‐indicator measures. Additionally, studies rarely address the problems of attenuation due to measurement error. We close with a discussion of the implications for future research and for interpreting prior work in strategic management. Copyright © 2004 John Wiley & Sons, Ltd.  相似文献   
16.
Summary. This research studies the role of multivariate distribution structures on random asset returns in determining the optimal allocation vector for an expected utility maximizer. All our conclusions pertain for the set of risk averters. By carefully disturbing symmetry in the distribution of the, possibly covarying, returns, we ascertain the ordinal structure of the optimized allocation vector. Rank order of allocations is also established when a permutation symmetric random vector is mapped into the returns vector through location and scale shifts. It is shown that increased dispersion in the vectors of location and scale parameters benefit, ex-ante, investors as does a decrease in the rank correlation coefficient between the location and scale parameter vectors. Revealed preference comparative static results are identified for the location and scale vectors of asset returns. For most issues addressed, we arrive at much stronger inferences when a safe asset is available. Received: August 8, 2000; revised version: January 8, 2001  相似文献   
17.
18.
The right to the city   总被引:1,自引:0,他引:1  
The right to the city is not merely a right of access to what already exists, but a right to change it. We need to be sure we can live with our own creations. But the right to remake ourselves by creating a qualitatively different kind of urban sociality is one of the most precious of all human rights. We have been made and re‐made without knowing exactly why, how, and to what end. How then, can we better exercise this right to the city? But whose rights and whose city? Could we not construct a socially just city? But what is social justice? Is justice simply whatever the ruling class wants it to be? We live in a society in which the inalienable rights to private property and the profit rate trump any other conception of inalienable rights. Our society is dominated by the accumulation of capital through market exchange. To live under capitalism is to accept or submit to that bundle of rights necessary for endless capital accumulation. Free markets are not necessarily fair. Worse still, markets require scarcity to function. The inalienable rights of private property and the profit rate lead to worlds of inequality, alienation and injustice. The endless accumulation of capital and the conception of rights embedded threin must be opposed and a different right to the city must be asserted politically. Derivative rights (like the right to be treated with dignity) should become fundamental and fundamental rights (of private property and the profit rate) should become derivative. But new rights can also be defined: like the right to the city which is not merely a right of access to what the property speculators and state planners define, but an active right to make the city different, to shape it more in accord with our heart's desire, and to re‐make ourselves thereby in a different image.  相似文献   
19.
20.
In this article, we examine the impact of 21 different types of scheduled macroeconomic news announcements on S&P 100 stock‐index option volume and implied volatility. We find that there is a 2‐h delay after the announcement before volume increases. However, there is an immediate increase in volatility, which slowly dissipates over several hours. Further analysis shows that most of the high volume and volatility after announcements come from the announcements that are considered bad news. That is, bad news creates high volatility and high volume, whereas good news elicits lower volume and is not associated with higher volatility. These results are not consistent with the predictions of any one model. We also find that the announcements that cause the largest reaction in the equity option market are Consumer Credit, Consumer Spending, Factory Inventories, NAPM, and Non‐Farm Payrolls. Six other announcements elicit a mild response. © 2003 Wiley Periodicals, Inc. Jrl Fut Mark 23:315–345, 2003  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