全文获取类型
收费全文 | 3949篇 |
免费 | 156篇 |
国内免费 | 1篇 |
专业分类
财政金融 | 473篇 |
工业经济 | 243篇 |
计划管理 | 658篇 |
经济学 | 958篇 |
综合类 | 23篇 |
运输经济 | 69篇 |
旅游经济 | 72篇 |
贸易经济 | 846篇 |
农业经济 | 137篇 |
经济概况 | 622篇 |
信息产业经济 | 1篇 |
邮电经济 | 4篇 |
出版年
2023年 | 44篇 |
2022年 | 27篇 |
2021年 | 53篇 |
2020年 | 105篇 |
2019年 | 143篇 |
2018年 | 192篇 |
2017年 | 233篇 |
2016年 | 200篇 |
2015年 | 102篇 |
2014年 | 137篇 |
2013年 | 492篇 |
2012年 | 211篇 |
2011年 | 214篇 |
2010年 | 141篇 |
2009年 | 150篇 |
2008年 | 145篇 |
2007年 | 111篇 |
2006年 | 97篇 |
2005年 | 141篇 |
2004年 | 119篇 |
2003年 | 87篇 |
2002年 | 59篇 |
2001年 | 46篇 |
2000年 | 37篇 |
1999年 | 51篇 |
1998年 | 32篇 |
1997年 | 30篇 |
1996年 | 31篇 |
1995年 | 27篇 |
1994年 | 29篇 |
1993年 | 22篇 |
1992年 | 20篇 |
1991年 | 21篇 |
1990年 | 22篇 |
1989年 | 18篇 |
1988年 | 20篇 |
1987年 | 21篇 |
1986年 | 17篇 |
1985年 | 17篇 |
1984年 | 16篇 |
1982年 | 16篇 |
1981年 | 18篇 |
1980年 | 20篇 |
1978年 | 12篇 |
1977年 | 10篇 |
1975年 | 10篇 |
1969年 | 11篇 |
1965年 | 9篇 |
1946年 | 8篇 |
1942年 | 10篇 |
排序方式: 共有4106条查询结果,搜索用时 875 毫秒
21.
In this paper we compare alternative asymptotic approximations to the power of the likelihood ratio test used in covariance structure analysis for testing the fit of a model. Alternative expressions for the noncentrality parameter (ncp) lead to different approximations to the power function. It appears that for alternative covariance matrices close to the null hypothesis, the alternative ncp's lead to similar values, while for alternative covariance matrices far from Ho the different expressions for the ncp can conflict substantively. Monte Carlo evidence shows that the ncp proposed in Satorra and Saris (1985) gives the most accurate power approximations. 相似文献
22.
The main statements in this article are taken from the report ?Untersuchung der Grundlagen und Entwicklungsperspektiven des Bankensektors in Deutschland ‘ for the Federal Ministry of Finance cf. www.diw.de/deutsch/produkte/publikationen/gutachten/aktuell/index.html. 《Economic Bulletin》2004,41(7):235-238
23.
24.
The neutral architecture of the Internet is being challenged by various parties, such as network operators providing the connections to end-users, who are interested in gaining control of the information exchanged over the Internet. What are the effects on competition and welfare of such practices? Currently, there exists very little economic theory on network neutrality. This paper provides a preliminary analysis of the type of economic modeling that can address network neutrality, as well as of the type of results that can be expected. 相似文献
25.
26.
Who's in charge of the central city? The conflict between efficiency and equity in the design of a metropolitan area 总被引:1,自引:0,他引:1
A circular metropolitan area consists of a central city surrounded by a suburb. Households sort over the two jurisdictions based on public service levels and their costs of commuting to the metropolitan center. Using numerical simulations, we show that (1) there typically exist two equilibria: one in which the poor form the voting majority in the central city and the other in which the rich form the majority in the central city; (2) there is an efficiency vs. equity trade-off as to which equilibrium is preferred; and (3) if the central city contains only poor households, equity favors expanding the central city to include rich households. The third result arises not because of a fiscal subsidy from rich to poor households induced by a property tax but rather because of a change in house price capitalization. 相似文献
27.
We analyze the importance of firm-specific and country-specific factors in the leverage choice of firms from 42 countries around the world. Our analysis yields two new results. First, we find that firm-specific determinants of leverage differ across countries, while prior studies implicitly assume equal impact of these determinants. Second, although we concur with the conventional direct impact of country-specific factors on the capital structure of firms, we show that there is an indirect impact because country-specific factors also influence the roles of firm-specific determinants of leverage. 相似文献
28.
29.
This article analyzes the impact and effectiveness of the Mexicanlabor retraining program for unemployed and displaced workersProgramade Becas de Capacitación para Trabajadores (PROBECAT).The strategy followed is to compare the post-training labormarket experiences of trainees with those of a comparison groupamatched sample of unemployed individuals who were eligible for,but did not participate in, PROBECAT. The results of this exercisesuggest that participation in PROBECAT reduced the mean durationof unemployment for both men and women trainees and increasedthe monthly earnings of men, but not of women. The results alsoindicate that the post-training earnings effect varied systematicallyby level of education attained, with the largest earnings increases(of about 28 to 37 percent) found for men with six to twelveyears of education. 相似文献
30.