全文获取类型
收费全文 | 15471篇 |
免费 | 366篇 |
专业分类
财政金融 | 2994篇 |
工业经济 | 1250篇 |
计划管理 | 2445篇 |
经济学 | 3351篇 |
综合类 | 200篇 |
运输经济 | 112篇 |
旅游经济 | 262篇 |
贸易经济 | 2340篇 |
农业经济 | 802篇 |
经济概况 | 2065篇 |
信息产业经济 | 3篇 |
邮电经济 | 13篇 |
出版年
2020年 | 155篇 |
2019年 | 227篇 |
2018年 | 259篇 |
2017年 | 273篇 |
2016年 | 237篇 |
2015年 | 176篇 |
2014年 | 244篇 |
2013年 | 1513篇 |
2012年 | 361篇 |
2011年 | 421篇 |
2010年 | 391篇 |
2009年 | 445篇 |
2008年 | 443篇 |
2007年 | 351篇 |
2006年 | 347篇 |
2005年 | 355篇 |
2004年 | 323篇 |
2003年 | 359篇 |
2002年 | 298篇 |
2001年 | 317篇 |
2000年 | 322篇 |
1999年 | 305篇 |
1998年 | 300篇 |
1997年 | 304篇 |
1996年 | 316篇 |
1995年 | 299篇 |
1994年 | 278篇 |
1993年 | 225篇 |
1992年 | 255篇 |
1991年 | 273篇 |
1990年 | 245篇 |
1989年 | 196篇 |
1988年 | 191篇 |
1987年 | 162篇 |
1986年 | 215篇 |
1985年 | 306篇 |
1984年 | 288篇 |
1983年 | 282篇 |
1982年 | 270篇 |
1981年 | 258篇 |
1980年 | 231篇 |
1979年 | 240篇 |
1978年 | 208篇 |
1977年 | 178篇 |
1976年 | 151篇 |
1975年 | 146篇 |
1974年 | 145篇 |
1973年 | 113篇 |
1972年 | 102篇 |
1971年 | 97篇 |
排序方式: 共有10000条查询结果,搜索用时 109 毫秒
31.
Using a sample of Australian Multi-sector trusts we examine selectivity and market timing performance and extend the analysis to include the relatively new measure of volatility timing. This is of particular relevance to our data set, as high levels of volatility persistence are prevalent in Australia. In addition we consider the stability, asymmetry and seasonality of the various performance and risk measures. A survivorship adjustment procedure is also employed in order to assess the impact of survivorship on selectivity, market timing and volatility timing performance. 相似文献
32.
We empirically investigate the interactions among hedging, financing, and investment decisions. We argue that the way in which hedging affects a firm's financing and investing decisions differs for firms with different growth opportunities. We find that high growth firms increase their investment, but not leverage, by hedging. However, we also find that firms with few investment opportunities use derivatives to increase their leverage. 相似文献
33.
34.
35.
Drs. W. Th. Vogelaar 《De Economist》1948,96(1):681-692
Eindhoven, September 1948. 相似文献
36.
Work Relationships in Telephone Call Centres: Understanding Emotional Exhaustion and Employee Withdrawal 总被引:2,自引:0,他引:2
This paper examines the nature of employment and the conditions of work in five telephone call centres in the telecommunications industry in Australia. Call centre work typically requires high levels of sustained interpersonal interaction with customers which can lead to burnout and employee withdrawal. Customer service staff can also become targets of customer hostility and abuse. In addition, this form of work tends to involve extensive employee monitoring and surveillance with little job discretion or variety of tasks. The paper draws upon survey data from 480 telephone service operators to identify the factors that are associated with emotional exhaustion and the frequency of absence amongst the employees. A modelling of the data using LISREL VIII revealed that a number of job and work-setting variables affected the level of emotional exhaustion of employees. These included interactions with the customer, a high workload and a lack of variety of work tasks. Moreover, higher rates of absence were associated with emotional exhaustion. 相似文献
37.
W. Scott Bauman C. Mitchell Conover Don R. Cox 《The Journal of Financial Research》2002,25(2):169-186
Previous research finds that large companies previously judged to be excellent growth companies have subsequently been poor investments. We examine small companies selected by Business Week on the basis of multiple criteria used in annual articles featuring highly rated growth companies. We study the investment performance over the three years before eleven annual Business Week publications and the three years after publication. We find positive excess returns in the pre‐publication period, but negative excess returns in the post‐publication period. This reversal in investment performance appears to be due to a mean‐reversion tendency in operating performance, in which the earnings and the past rates of return on capital of such companies subsequently decrease significantly. 相似文献
38.
39.
40.
Consumer Demand For Butter, Margarine and Blends: The Role of Purchase and Household Characteristics
Brian W. Gould 《Revue canadienne d'agroeconomie》1997,45(3):251-266
A U.S. household panel is used to estimate a model of household purchases of butter, margarine and butter/margarine blends. The econometric model accounts for the discrete purchase decisions process and the censored nature of disaggregated commodity demand. Observed market prices are "quality" adjusted for the three commodities investigated based on household and purchase characteristics. Over 90% of the reaction to a price change is found to occur with respect to the decision whether or not to consume. 相似文献