全文获取类型
收费全文 | 2835篇 |
免费 | 63篇 |
专业分类
财政金融 | 514篇 |
工业经济 | 171篇 |
计划管理 | 479篇 |
经济学 | 601篇 |
综合类 | 44篇 |
运输经济 | 18篇 |
旅游经济 | 28篇 |
贸易经济 | 410篇 |
农业经济 | 151篇 |
经济概况 | 481篇 |
信息产业经济 | 1篇 |
出版年
2021年 | 25篇 |
2020年 | 38篇 |
2019年 | 47篇 |
2018年 | 62篇 |
2017年 | 70篇 |
2016年 | 81篇 |
2015年 | 31篇 |
2014年 | 82篇 |
2013年 | 340篇 |
2012年 | 94篇 |
2011年 | 111篇 |
2010年 | 87篇 |
2009年 | 79篇 |
2008年 | 89篇 |
2007年 | 92篇 |
2006年 | 62篇 |
2005年 | 50篇 |
2004年 | 45篇 |
2003年 | 47篇 |
2002年 | 45篇 |
2001年 | 49篇 |
2000年 | 37篇 |
1999年 | 41篇 |
1998年 | 31篇 |
1997年 | 45篇 |
1996年 | 39篇 |
1995年 | 31篇 |
1994年 | 49篇 |
1993年 | 35篇 |
1992年 | 39篇 |
1991年 | 29篇 |
1990年 | 39篇 |
1989年 | 36篇 |
1988年 | 42篇 |
1987年 | 34篇 |
1986年 | 26篇 |
1985年 | 51篇 |
1984年 | 45篇 |
1983年 | 36篇 |
1982年 | 51篇 |
1981年 | 38篇 |
1980年 | 45篇 |
1979年 | 40篇 |
1978年 | 47篇 |
1977年 | 31篇 |
1976年 | 32篇 |
1975年 | 38篇 |
1974年 | 23篇 |
1973年 | 30篇 |
1971年 | 25篇 |
排序方式: 共有2898条查询结果,搜索用时 15 毫秒
11.
This paper contains three subjects. First, an extension of Mokken's nonparametric item response models from dichotomous items to items with two or more ordered answer categories is proposed. Second, a computer program to analyze multicategory item scores is presented. This program is called MSP. The analyses by means of MSP are based on the multicategory extension of Mokken's theory. Finally, an application of MSP to empirical multicategory test data is presented in order to illuminate its possibilities. 相似文献
12.
We present general results for finding or boundingt
maxB
, the maximum number of arbitrary whole blocks of observations which can be removed from a block design, and still leave all of the elementary treatment contrasts estimable. The block sizes may be larger than the number of treatments. The results are applied to BBDs, reinforced BIBDs and BBDs, BTIBDs, and a series of variance balanced incomplete block designs with two block sizes. Also given for most of these designs, are results fort
max, the maximum number of arbitrary, scattered observations that can become unavailable, and still leave all of the elementary treatment contrasts estimable.The work was undertaken while Dr. Whittinghill was visiting Ohio State University, and supported by a grant from the Natural Sciences Division, Colby College, Waterville, Maine. 相似文献
13.
I. Thomsen 《Metrika》1976,23(1):15-25
Summary In this article, we shall present an approximately optimal method for constructing stratum boundary points when the sample is allocated proportionally. The method is based on an equal partitioning of the cumulative off
1/3, wheref is the distribution of the stratification variable. We show that in many practical situations this technique compares favourably with approximately optimal stratification and allocation methods previously suggested.
Zusammenfassung In diesem Artikel stellen wir eine annähernd optimale Methode zur Festlegung von Stratabegrenzungspunkten dar, die für proportional angeordnete Samples gilt. Die Methode basiert auf einer gleichen Einteilung derf 1/3-Kummulation, wobeif die Verteilung der Stratifikations-variablen darstellt. Wir zeigen, daß diese Technik in vielen praktischen Fällen gegenüber den bisher vorgeschlagenen Methoden zur optimalen Stratifikation und Zuordnung nicht schlecht abschneidet.相似文献
14.
To successfully recruit and retain part-time workers in the decade ahead, managers will need to design more attractive employee benefit packages. This article examines which benefits part-time workers receive and value the most and which benefits they would like to receive. 相似文献
15.
16.
17.
Why is bank debt senior? A theory of asymmetry and claim priority based on influence costs 总被引:1,自引:0,他引:1
This theory can explain why bank debt is universally senior,consistent with the presence of conflict (lawyers) and absolutepriority violations in financial distress: Better organizedbanks would more strongly contest priority in financial distressif they were junior. Because 'deterrence' can reduce creditors'total expenses in a priority contest, the ex post stronger lobbyist/litigantshould be senior ex ante. For equivalent reasons, the theorycan advise when public debt should be senior to trade creditand/or implicit contrasts, and can even suggest one rationalefor the absolute priority rule (APR). This article further showsthat Chapter 11 creditor reimbursement procedures can loweroverall costs. 相似文献
18.
19.
20.
D. I. Kondratov 《Studies on Russian Economic Development》2011,22(4):443-459
The paper evaluates the features of the Commonwealth of Independent States as a regional economic union of states on the territory of the former Soviet Union. It examines the most noticeable conceptual approaches to the definition of strategy, the directions of CIS development, and the monetary and credit mechanisms of interactions among member states, as well as the feasibility of CIS transformation into an efficient economic union of states. 相似文献