全文获取类型
收费全文 | 41441篇 |
免费 | 729篇 |
专业分类
财政金融 | 6934篇 |
工业经济 | 2416篇 |
计划管理 | 6797篇 |
经济学 | 9633篇 |
综合类 | 687篇 |
运输经济 | 196篇 |
旅游经济 | 369篇 |
贸易经济 | 8833篇 |
农业经济 | 1187篇 |
经济概况 | 4306篇 |
信息产业经济 | 47篇 |
邮电经济 | 765篇 |
出版年
2023年 | 135篇 |
2021年 | 193篇 |
2020年 | 334篇 |
2019年 | 515篇 |
2018年 | 2871篇 |
2017年 | 2628篇 |
2016年 | 1865篇 |
2015年 | 538篇 |
2014年 | 793篇 |
2013年 | 2876篇 |
2012年 | 1313篇 |
2011年 | 2781篇 |
2010年 | 2568篇 |
2009年 | 2323篇 |
2008年 | 2246篇 |
2007年 | 2487篇 |
2006年 | 723篇 |
2005年 | 940篇 |
2004年 | 949篇 |
2003年 | 1078篇 |
2002年 | 732篇 |
2001年 | 603篇 |
2000年 | 557篇 |
1999年 | 442篇 |
1998年 | 515篇 |
1997年 | 439篇 |
1996年 | 454篇 |
1995年 | 374篇 |
1994年 | 392篇 |
1993年 | 370篇 |
1992年 | 374篇 |
1991年 | 396篇 |
1990年 | 361篇 |
1989年 | 270篇 |
1988年 | 270篇 |
1987年 | 276篇 |
1986年 | 271篇 |
1985年 | 369篇 |
1984年 | 367篇 |
1983年 | 353篇 |
1982年 | 302篇 |
1981年 | 301篇 |
1980年 | 295篇 |
1979年 | 293篇 |
1978年 | 236篇 |
1977年 | 193篇 |
1976年 | 200篇 |
1975年 | 177篇 |
1974年 | 159篇 |
1973年 | 155篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
951.
On the Merits of Vertical Divestiture 总被引:1,自引:0,他引:1
David E. M. Sappington 《Review of Industrial Organization》2006,29(3):171-191
This paper demonstrates that vertical divestiture may increase consumer welfare even when the divestiture eliminates substantial scope economies and precludes only limited sabotage. More generally, the merits of vertical divestiture are shown to vary with: (1) the type and the intensity of competition in the retail market; (2) the locus of scope economies under vertical integration; and (3) the relative social values of consumers’ surplus and profit. 相似文献
952.
Kwaku Atuahene-Gima Author Vitae Luigi M. De Luca Author Vitae 《Industrial Marketing Management》2006,35(3):359-372
This study extends research on entrepreneurial behavior by investigating the relationship between the marketing strategy innovativeness (MSI) and new product performance in technology-based new ventures in China. Specifically, premised on contingent resource-based view we argue that MSI is a firm capability that must be bundled with external managerial relationships and be deployed in the appropriate environment to ensure its success. We found that the team's extra industry relationships and market dynamism enhanced the impact of MSI on new product performance. In contrast, top management team's intraindustry relationships, financial relationships, and technology dynamism hindered the impact of MSI on new product performance. 相似文献
953.
Stephan M. Wagner Author Vitae Martin Hoegl Author Vitae 《Industrial Marketing Management》2006,35(8):936-943
While there is increasing evidence that involving suppliers in new product development (NPD) is important, and for many firms even inevitable, there is also evidence that not all such efforts are successful. Firms aiming at implementing this strategy effectively have to pay close attention to several contingency factors on the organizational level and properly manage supplier involvement on the project level. The exploratory case study research underlying this article explores key issues to be considered when involving suppliers in NPD and the counter measures they can take. Our research shows that companies differentiate between so-called “know-how” and “capacity” projects, and that they manage them differently. Furthermore, this research shows that firms outside the automotive and high-tech manufacturing industries are likely to intensify supplier involvement in the future. 相似文献
954.
Stephen Petrina Kenneth Volk Soowook Kim 《International Journal of Technology and Design Education》2004,14(3):181-204
What do we know about technology and rights? This article provides a fairly comprehensive overview of current issues regarding this topic. We explore and analyse a wide spectrum of rights that are challenged in this current era of technological convergence. We use the United States Bill of Rights as an example of the vulnerability of legal protections for rights against particular political and technological changes in this post 9-11 climate. New streams of rights acting as a safeguard against further incursions of technology into civil liberties are explored. We also address intellectual property rights and international trends in copyright, patent and trademark laws. We question whether these issues of technology and rights have a place in current technological literacy scenarios. 相似文献
955.
Following a review of current research in children's learning in technology education, and an examination of the kinds of knowledge demanded in contemporary technology education programs in elementary schools, I argue that what is needed in early technology education programs is the scaffolding of what I am calling technological stance. This construct acknowledges the socio-cultural character of technology as a human endeavor. In contrast to programs which are oriented to application of conceptual and procedural knowledge or to programs in which knowledge is generated through interpretation of interactions with materials and tools, programs which support technological stance position learners as critical inquirers into both tool-related and discursive practices of technology. 相似文献
956.
The question of whether corporations add value beyond that created by individual businesses has engendered much debate in recent years. Some of this debate has focused on the pros and cons of related vs. unrelated diversification. A standard explanation of the benefits of related diversification has to do with the ability to obtain intra‐temporal economies of scope from contemporaneous sharing of resources by related businesses within the firm. In contrast, this paper deals with inter‐temporal economies of scope that firms achieve by redeploying resources and capabilities between related businesses over time, as firms exit some markets while entering others. The transfer of resources due to market exit distinguishes our treatment of inter‐temporal economies of scope from standard intra‐temporal economies of scope. In addition, these inter‐temporal economies can benefit from a decentralized and modular organizational structure. This ability to obtain inter‐temporal economies of scope via organizational modularity and recombination suggests that corporations do not necessarily need a high degree of coordination between business units in order to benefit from a strategy of related diversification. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
957.
958.
959.
Michael Meyen 《Publizistik》2004,49(2):194-206
Der vorliegende Beitrag fragt nach der demographischen Struktur der zentralen akademischen Akteure der Kommunikationswissenschaft
in Deutschland und nach m?glichen Ver?nderungen dieser Struktur in den letzten 50 Jahren. Die Analyse zeigt zum einen, dass
von einem einheitlichen Zugang zum Hochschullehrerberuf nach wie vor keine Rede sein kann, und zum anderen, dass das Fach
vor einer demographischen Herausforderung steht. Die Kommunikationswissenschaft hat sich durch Akademisierung und ?Versozialwissenschaftlichung?
von ihren Wurzeln gel?st. War Berufserfahrung im Medienbereich bis in die 1960er Jahre Voraussetzung für eine Berufung, verfügt
heute nur noch eine Minderheit über solche Erfahrungen. Da die Existenz des Faches im Rahmen der Universit?t auch von der
Nachfrage der Studierenden abh?ngt, kann man über die Folgen des anstehenden Generationswechsels nur spekulieren. In jedem
Fall fehlt es an formal für die Hochschullehrerlaufbahn qualifiziertem Nachwuchs. Deshalb sind erhebliche Anstrengungen erforderlich,
wenn der Boom im letzten Drittel des 20. Jahrhunderts sich nicht als Seifenblase erweisen soll. 相似文献
960.
George M. Frankfurter Arman Kosedag Kevin Chiang David Collison David M. Power Hartmut Schmidt Raymond So Mihail Topalov 《Research in International Business and Finance》2004,18(1):73-114
This paper is a report about the perception of dividends by Chief financial officers (CFOs). The research encompasses five countries, on three continents, and covers three types of economies. Our cross-sectional study is concerned with both inter- and intra-societal differences that may or may not exist regarding the perception of dividends by those who are in charge of making such decisions in the firm. Using a survey instrument, we find that both similarities and dissimilarities exist inter- and intra-culturally. Perhaps the most important conclusion we reach is that dividend research must take a different track than it has been following so far. 相似文献