首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   26262篇
  免费   1192篇
各国政治   1070篇
工人农民   1766篇
世界政治   1365篇
外交国际关系   873篇
法律   17261篇
中国共产党   10篇
中国政治   114篇
政治理论   4898篇
综合类   97篇
  2023年   84篇
  2021年   107篇
  2020年   458篇
  2019年   479篇
  2018年   1796篇
  2017年   1740篇
  2016年   1652篇
  2015年   612篇
  2014年   583篇
  2013年   1933篇
  2012年   704篇
  2011年   1388篇
  2010年   1509篇
  2009年   1141篇
  2008年   1245篇
  2007年   1230篇
  2006年   602篇
  2005年   537篇
  2004年   642篇
  2003年   528篇
  2002年   477篇
  2001年   709篇
  2000年   631篇
  1999年   494篇
  1998年   259篇
  1997年   191篇
  1996年   213篇
  1995年   216篇
  1994年   195篇
  1993年   177篇
  1992年   311篇
  1991年   318篇
  1990年   301篇
  1989年   285篇
  1988年   311篇
  1987年   267篇
  1986年   325篇
  1985年   325篇
  1984年   258篇
  1983年   241篇
  1982年   184篇
  1981年   166篇
  1980年   144篇
  1979年   230篇
  1978年   127篇
  1977年   101篇
  1975年   94篇
  1974年   126篇
  1973年   82篇
  1972年   79篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
991.
The press is essential for creating an informed citizenry, but its existence depends on attracting and maintaining an audience. It is unclear whether supply-side effects—including those dictated by the owners of the media—influence how the media cover politics, yet this question is essential given their abilities to set the agenda and frame issues that are covered. We examine how ownership influences media behavior by investigating the impact of Rupert Murdoch’s purchase of the Wall Street Journal (WSJ) in August 2007. We collect data on every front-page story and editorial for 27 months, and we compare the difference in political coverage between the New York Times (NYT) and WSJ using a difference-in-differences design. We show that the amount of political content in the opinion pages of the two papers were unchanged by the sale, but the WSJ’s front-page coverage of politics increased markedly relative to the NYT. Similar patterns emerge when comparing the WSJ’s content to USA Today and the Washington Post. Our finding highlights potential limits to journalists’ ability to fulfill their supposed watchdog role in democracies without interference from owners in the boardroom.  相似文献   
992.
Scholarship on organizational learning has explored how international organizations (IOs) reform but has paid little attention to the origins of institutional memory. For IOs engaged in crisis management operations, acquiring knowledge about strategic errors is necessary for adopting reforms that could save lives. This study seeks to identify the sources that affect whether or not IO elites will contribute knowledge to an IO’s institutional memory in crisis management. The study employs a survey experiment in the field on 120 NATO elites who decide on and plan operations. Findings indicate that when the United States introduces knowledge of a strategic error, NATO elites are significantly less likely to share it. This deterrent effect on knowledge-sharing illustrates an unexpected way in which the US influences international crisis management. The study also finds that an IO’s secretariat can somewhat increase elites’ likelihood of contributing to the IO’s institutional memory.  相似文献   
993.
Intellectual property rights are a key piece of the expanded trade agenda, and the United States has pushed hard to strengthen protections beyond WTO standards in its trade agreements. While agreement provisions governing intellectual property are commonly thought to be an important driver of corporate preferences over US trade policy, systematic empirical evidence for this proposition, especially in comparison to other determinants of trade policy, is generally lacking. To fill this void, this paper examines variation in reliance on intellectual property across US industries to explain attitudes and lobbying on US trade agreements. The effects of IP provisions on support for US trade agreements are politically substantial, though trade remains the primary determinant of preferences over trade agreements.  相似文献   
994.
995.
Preferential trade agreements (PTAs) trigger investment through their commitment to a liberal market economy. Increasingly however, PTAs go far beyond liberalizing trade and investment flows. Especially controversial features included in most modern PTAs are environmental and labor standards. Do these standards affect business activity? If so, how do investors react to such non-trade issues in trade deals? The literature provides inconclusive findings about the impact of standards on foreign direct investment (FDI). Some contributors argue that strict standards decrease FDI, whilst others claim that environmental and labor protection increases productivity and, in consequence, inward investment. In all likelihood, the usage of aggregated FDI data, as is the case for most studies, causes confusion. I expect standards to influence investors’ decisions – but heterogeneously across sectors. Environmental and labor standards should reduce FDI in polluting and low-skilled labor endowed industries, but increase investment in environmentally clean and high-skilled labor abundant sectors. Based on an original dataset of environmental and social standards in trade agreements and at the sector-level disaggregated US-FDI data, I find robust support for my argument. The paper provides a more nuanced picture on the standards and investment nexus: Standards have no uniform effect on multinationals. Instead, they are good for some, but bad for other industries.  相似文献   
996.
997.
Abstract

Following the end of the Cold War, post-conflict democratisation has rarely occurred without a significant international involvement. This contribution argues that an explanation of the outcomes of post-conflict democratisation requires more than an examination of external actors, their mission mandates or their capabilities and deficiencies. In addition, there is a need to study domestic elites, their preferences and motivations, as well as their perceptions of and their reactions to external interference. Moreover, the patterns of external–internal interactions may explain the trajectory of state-building and democracy promotion efforts. These issues deserve more attention from both scholars and practitioners in the fields of peace- and state-building, democracy promotion, regime transition and elite research. Analyses of external actors and domestic elites in post-conflict democratisation should therefore address three principal issues: (1) the identification of relevant domestic elites in externally induced or monitored state-building and democratisation processes, (2) the dynamics of external–domestic interactions and (3) the impact of these interactions on the outcomes of post-conflict democratisation.  相似文献   
998.
This article asks why, in contrast to other historic territories with a regional language, such as Catalonia and the Basque Country, nationalist parties in the Autonomous Community of Galicia receive less electoral support. Going beyond prior explanations of this counterintuitive political outcome, which were mainly based on economic, sociological, and institutional factors, this piece of research sheds light on the strategies of political parties. It examines not only nationalist forces but statewide ones that successfully compete in Galicia. Our analysis is focused on the Bloque Nacionalista Galego (BNG) because this is the only nationalist force that has consistently achieved representation within the regional Parliament. Along with BNG's translation into party positions in both the left-right and center-periphery dimensions, the article's main contribution is its updating of the BNG's three framing strategies: the nationalism/“Spanishism” (1982–1993), the “common project” discourse (1993–2005), and the sovereigntist one (2005 onward). Shifts in public opinion regarding the territorial model and other attitudes toward self-government are also examined.  相似文献   
999.
1000.
Policymakers have actively pursued urban renewal and dispersal programs to deconcentrate poverty in urban neighborhoods. Relocation strategies lead to new housing opportunities and may encourage employment opportunities for relocated residents if resourceful contacts and job information become more easily available after the move. This study provides an innovative evaluation of the early impacts of involuntary relocation programs in the Netherlands on the housing careers, earnings and employment rates of forced relocatees. It establishes a quasi-experimental design by employing unique longitudinal individual-level population registry data from Statistics Netherlands: forced relocatees are tracked and matched to a control group consisting of similar residents that were not forced to move. A difference-in-difference design shows that forced relocatees are living in less deprived neighborhoods after the move. However, we find no conclusive evidence that this upgrade in housing leads to more socioeconomic opportunities for the forced relocatees.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号