全文获取类型
收费全文 | 33817篇 |
免费 | 1814篇 |
国内免费 | 359篇 |
专业分类
管理学 | 2061篇 |
劳动科学 | 3篇 |
民族学 | 357篇 |
人才学 | 10篇 |
人口学 | 480篇 |
丛书文集 | 3937篇 |
理论方法论 | 1591篇 |
综合类 | 23539篇 |
社会学 | 2791篇 |
统计学 | 1221篇 |
出版年
2024年 | 33篇 |
2023年 | 253篇 |
2022年 | 576篇 |
2021年 | 401篇 |
2020年 | 503篇 |
2019年 | 614篇 |
2018年 | 655篇 |
2017年 | 729篇 |
2016年 | 840篇 |
2015年 | 976篇 |
2014年 | 2074篇 |
2013年 | 2522篇 |
2012年 | 2519篇 |
2011年 | 2644篇 |
2010年 | 2059篇 |
2009年 | 2046篇 |
2008年 | 2139篇 |
2007年 | 2393篇 |
2006年 | 2216篇 |
2005年 | 2062篇 |
2004年 | 1777篇 |
2003年 | 1769篇 |
2002年 | 1388篇 |
2001年 | 1138篇 |
2000年 | 644篇 |
1999年 | 214篇 |
1998年 | 117篇 |
1997年 | 103篇 |
1996年 | 98篇 |
1995年 | 76篇 |
1994年 | 52篇 |
1993年 | 52篇 |
1992年 | 45篇 |
1991年 | 43篇 |
1990年 | 27篇 |
1989年 | 30篇 |
1988年 | 19篇 |
1987年 | 16篇 |
1986年 | 4篇 |
1985年 | 16篇 |
1984年 | 21篇 |
1983年 | 24篇 |
1982年 | 20篇 |
1981年 | 18篇 |
1980年 | 6篇 |
1979年 | 11篇 |
1978年 | 5篇 |
1975年 | 3篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
《European Management Journal》2022,40(6):883-894
This study examines the effect of board size on the economic impact of bank mergers and acquisitions (M&A) in the US. Using a hand-collected dataset of 508 M&A between 2012 and 2018, we find that board size is negatively related to acquirer excess returns. In an additional analysis, we show that large boards have positive value implications for banks that combine the CEO and chairman roles as well as for large banks. Our findings indicate that a “one-size-fits-all” approach to board size is not necessarily in the interests of shareholders; instead, a more flexible and proactive formulation is needed. 相似文献
2.
《Public Relations Review》2022,48(5):102254
This study conducted a quantitative content analysis to examine corporate Inclusivity, Diversity, Equity, and Accessibility (IDEA) communication (n = 1216) from 48 corporations on Facebook through the lens of dimensionality, stakeholders, drivers (legitimation), and level of investment. Findings indicated that most of the IDEA communication on Facebook focused on gender and racial/ethnicity diversity, employee, and community stakeholders. The IDEA communication was almost equally value- and performance-driven and reflected external promotion level of investment. External stakeholders engaged more with performance-driven and external promotion IDEA communication. The volume of IDEA posts reflected corporate internal diversity practice and was positively related with Glassdoor ratings of the corporation by African American, Middle Eastern, and LGBTQ+ employees. 相似文献
3.
本文基于第一、二次对"无锡、保定农村调查"的资料,分析说明了无锡农村经营式农业的日渐式微,并从出租农地与雇工经营的收益方程、较高工商业发展水平导致的机会成本增加,以及家庭小农场的竞争三个方面分析了经营式农业不发展的原因.我们认为,主要是当地较高但又不足够高的工商业发展水平导致了经营式农业难以发展.较高的工商业发展水平意味着发展经营式农业的高运营成本和高机会成本.不足够高又使得非农产业的需求与人数众多的农业过剩劳动力不相匹配,从而造成了家庭小农场和经营式农场之间的激烈对抗.我们也认为,中国未来的农业农村现代化道路可能会依然呈现出复杂性和特殊性,家庭小农场扮演的角色可能仍然不容忽视. 相似文献
4.
激励在复杂产品供应链中对主供协同合作关系及质量控制发挥了重要作用。本文研究基于主制造商在复杂产品生产研发前按照客户要求形成的质量意识的激励策略是否可以实现复杂产品质量控制问题。考虑具有质量意识的主制造商和其系统供应商组成的两级供应链,建立以主制造商为领导者的Stackelberg博弈模型,分别讨论无激励和存在激励时的主供生产最优决策。基于激励方式的不同,将激励策略分为根据供应商产品质量水平激励以及根据主制造商质量意识水平激励两种方式。研究结果表明激励是供应商加强协同合作、改进产品质量的内在动力,主制造商根据质量意识激励供应商可以进一步促使双方协同合作,提高产品质量,使双方获得更高的利润从而实现供应链整体利润最大化。此外用灵敏度分析发现提高主制造商质量意识水平可以增加双方协同合作努力程度,有效提升产品质量水平并实现帕累托改进。 相似文献
5.
Shiri Shinan-Altman 《Social Work Education》2018,37(1):108-118
This study assessed social work and nursing students’ intentions to provide end-of-life care, based on the Theory of Planned Behavior. A total of 181 social work and nursing students completed a questionnaire examining intentions to provide end-of-life care, attitudes, subjective norms, perceived control, death anxiety, subjective knowledge, and sociodemographic characteristics. Students manifested a moderate level of intentions to provide end-of-life care, with nursing students indicating higher levels of intentions than social work students. Multiple regression analyses revealed that attitudes, subjective norms, and previous experience were the main predictors of intentions to provide end-of-life care. Recommendations for academic programs are discussed. 相似文献
6.
This study provides an historical overview of the IDF Spokesperson’s Unit (ISU) from the early years of the State of Israel until 2009. Analyzing five periods during which the ISU played a key role in Israel's public diplomacy, this research sheds light on the challenges the ISU faced in different periods and circumstances and examines how the ISU tried to modify its methods and actions in response to geopolitical changes and media development, albeit not always successfully. The study suggests better understanding the adaptation process by applying a three-layer framework for analysis: the tactical layer, the strategic layer and the perceptional layer. The findings of this work demonstrate that in adapting to new circumstances, the ISU focused mainly on the tactical response level, with the result that it did not undertake any review or debate over the need for deeper perceptional changes in ISU policies. 相似文献
7.
《Public Relations Review》2020,46(1):101814
This study aims to systematically analyze and compare studies applying the dialogue approach in public relations to information communication technologies (ICTs) under English and Chinese context. Specifically, we want to investigate the subjects, the adoption of dialogic principles, and the processing of additional valuables of dialogue in selected studies. By identifying 68 relevant peer-reviewed journal articles under English context and 13 under Chinese context, we analyzed different subjects in selected publications, including their research topics, methods, samples and objectives. Moreover, our study also revealed the following results: (1) three dialogic principles were well adopted while the other two were not; (2) public engagement was the most common effect; (3) organizational response was the most common antecedent to dialogue implementation. Future studies are recommended to diversify research methods, topics and relevant technologies. We also call for developing theoretical models for dialogue in public relations and updating dialogic principles and measurements. Based upon the fact that the dialogue approach is less studied under Chinese context, we also offer a path to construct effective and ethical communication between organizations and publics on various ICT-based platforms in Greater China. 相似文献
8.
《Public Relations Review》2020,46(2):101879
This study explores the National Weather Service’s communication through a multi-sited rapid ethnography that extends the fully functioning society theory. National Weather Service field offices do not employ public information officers. Instead, forecasters predict the weather, craft messages, and build relationships with their publics. Scholars have called for public relations research that examines messages, including how crisis communication can help publics cope. Additionally, scholars have noted that all organizations need public relations, even if they do not employ formal public relations personnel. In our study, forecasters emphasized the need to build their publics’ tornado threat awareness and provided strategies to make weather science accessible. Forecasters discussed a variety of message strategies including avoiding fear appeals, humanizing the organization, and visualizing risks. Forecasters also built relationships with active publics through soliciting weather spotters and empowering them to prepare others for severe weather. Overall, findings expand knowledge about how organizations can employ strategic public relations to benefit society, thereby extending fully functioning society theory. 相似文献
9.
《Public Relations Review》2020,46(4):101944
The prevalence of social media among networked publics calls for more research regarding how organizations can conduct effective crisis communication on social networking sites. Based on the situational crisis communication theory (SCCT) and the discourse of renewal (DOR) theory, this study examined how social media publics’ sentiments were affected by situational and renewing organizational responses in various clusters of crises. Twitter data of six crises representing three crisis clusters varying in the responsibility attribution (i.e., ambiguous, accidental, and preventable) were collected. We conducted a content analysis on organizations’ official tweets during crises (N = 59) and sentiment analysis on publics’ replies on Twitter (N = 4,340). The results showed that publics’ positive sentiments toward organizations were affected by organizational crisis responses that included instructing information, sympathy, systemic organizational learning, and effective organizational rhetoric. We recommend that crisis managers express sympathy toward publics as well as organizational learning that prevents a crisis from happening again. 相似文献
10.
Melinda J. Ickes Karen Butler Amanda T. Wiggins Sarah Kercsmar Mary Kay Rayens Ellen J. Hahn 《Journal of American college health : J of ACH》2020,68(4):366-373
AbstractObjective: Examine receptivity and motivation to use/quit tobacco among college students after viewing Truth ads. Participants: Random sample of 10,000 college students invited to complete online survey February 2016 (8.5% response rate). Methods: Quasi-experimental. Participants (N?=?854) watched four ads and answered survey items for each ad. Results: Students rated ad receptivity and decreased motivation to use tobacco higher for the Catmageddon ad than the others. Regardless of ad, men and current cigarette smokers reported lower receptivity. Younger age was associated with lower motivation to use tobacco for all ads. Tobacco users reported greater motivation to quit with the Catmageddon ad. Conclusions: College students were receptive to the Truth ads, and many indicated lower motivation to use tobacco. Men, older college students, and current cigarette smokers were less receptive to the ads, reinforcing the need to develop tailored campaigns to reach these subgroups. 相似文献