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   2217篇
  免费   34篇
  国内免费   20篇
管理学   329篇
民族学   19篇
人口学   388篇
丛书文集   37篇
理论方法论   131篇
综合类   265篇
社会学   843篇
统计学   259篇
  2023年   10篇
  2022年   5篇
  2021年   5篇
  2020年   15篇
  2019年   22篇
  2018年   37篇
  2017年   75篇
  2016年   102篇
  2015年   38篇
  2014年   30篇
  2013年   95篇
  2012年   187篇
  2011年   151篇
  2010年   52篇
  2009年   39篇
  2008年   34篇
  2007年   25篇
  2006年   33篇
  2005年   580篇
  2004年   293篇
  2003年   163篇
  2002年   57篇
  2001年   92篇
  2000年   46篇
  1999年   10篇
  1998年   8篇
  1997年   7篇
  1996年   4篇
  1995年   3篇
  1991年   9篇
  1989年   3篇
  1988年   2篇
  1986年   4篇
  1985年   4篇
  1984年   3篇
  1981年   1篇
  1980年   1篇
  1979年   2篇
  1978年   1篇
  1977年   2篇
  1976年   2篇
  1975年   5篇
  1973年   1篇
  1972年   1篇
  1971年   1篇
  1968年   3篇
  1966年   1篇
  1965年   1篇
  1964年   1篇
  1963年   1篇
排序方式: 共有2271条查询结果,搜索用时 15 毫秒
71.
The study shows that a structural conflict of interest in non-executive boards exists due to missing corporate governance structures and a lack of awareness for legal issues with regard to information security risks. Non-executive boards receive information on strategic security threats as a part of their oversight function to fulfill investor interest in transparency. At the same time, they act as representatives of company stakeholders and have an interest to counteract to information security risks based on the stakeholder’s risk disposition. If not properly structured by corporate governance rules, these different interests may lead to regulatory aberrations on non-executive board level. The study analyses a Deutsche Telekom AG case where non-executive board members, employees, and journalists fell victim to a spying scandal subject to the German telecommunications secrecy law in 2005–2006. The analysis demonstrates how the handling of information security on non-executive board level bears governance risks as well as legal risks that are insufficiently addressed in corporate governance research. The paper contributes to avoid a reproduction of events in the future, by suggesting the principle of a segregation of duties on non-executive boards as well as providing an overview of relevant legislative requirements that clarify tasks of non-executive board members with regard to information security. The study therefore helps protecting corporations and their stakeholders from similar consequences of missing corporate security governance.  相似文献   
72.
This paper adds to the literature on the determinants of the effects of private equity (PE) investments. Using an original dataset of 191 target firms in Italy, we study the effects on performance and governance of the stakes acquired by the PE investor. We employ a difference-in-differences approach and compare target and control firms sharing similar characteristics and performance in the years preceding the deal. We find that PE investment has a positive effect on profitability, sales, and employment; these effects are larger for minority investments. We argue that this signals effective governance that follows from complementing rather than substituting incumbent managers in minority investments.  相似文献   
73.
This study aims to identify whether a relationship exists between the controlling shareholders’ voting power and outside directors’ effectiveness in maximizing firms’ financial performance. We analyze a panel data with 3057 observations for the 2000–2012 period using a random effects model, logit and probit regressions, and the two-stage model of Heckman in the Brazilian stock market. Our findings show that firms whose controlling shareholders use dual class shares to leverage their voting power have less independence from the board and worse financial performance and market value. Further, the percentage of outside directors tends to be ineffective in increasing the firm’s value, and in changing the firm’s chief executive officer (CEO) when (1) the controlling shareholder’s voting power is leveraged, or (2) when the CEO assumes a position on the board of directors simultaneously. We interpreted that these results are in line with the arguments in favor of the existence of a new agency cost, which is related to the undue obedience of board members to authority, such as the largest controlling shareholder or the CEO in Brazilian listed firms.  相似文献   
74.
As maternal BMI is a risk factor for higher child BMI, this exploratory study investigated perceived economic strain as a protective factor modifying this well-established relationship. Primary low-income female caregivers (n = 432) of preschoolers ages 3–5 years were interviewed using the Family Economic Strain Scale. Caregiver and child heights and weights were measured. Significant differences were found in perceived economic strain between normal versus underweight, overweight, and obese caregivers. A moderating effect approaching significance was noted such that at low levels of reported economic strain, caregiver BMI classification had no effect on child BMI z-score for normal weight, overweight, or obese caregivers. This study is the first to demonstrate that reduced perception of economic strain may act to buffer the impact of maternal overweight/obesity on child weight status. Given this biologically strong relationship, the potential for any modifiable factor to be detected is encouraging. Further collaborative research between economists and family resiliency researchers is suggested.  相似文献   
75.
Households with limited income and wealth often struggle to access the financial liquidity needed to address unexpected expenses or income drops. Emergency savings can act as form of insurance against such economic shocks and reduce the risk of hardships that influence family wellbeing. Prior research has established that threshold amounts of liquid assets can reduce the risk of economic hardship. This study used a measure of self-reported emergency saving behavior to examine whether households who reported saving for emergencies were less likely to experience subsequent economic hardships in a longitudinal sample of households in disadvantaged neighborhoods from the Annie E. Casey Foundation’s Making Connections project. Results across a range of regression models suggest that households who saved for emergencies experienced slightly less overall hardship and were less likely to report several specific hardships, such as food insecurity and having a phone disconnected, three years later. This study supports the idea that small, unrestricted savings may play a protective role for low-income households.  相似文献   
76.
Attrition represents a significant obstacle to overcome in any longitudinal research project. It is, perhaps, most keenly felt when the data collected are from a qualitative study, since, unlike quantitative longitudinal research, weighting factors cannot be applied to ‘correct’ for any biases in the achieved sample and even a small number of ‘lost’ respondents can equate to a large percentage of the original sample. It is perhaps because of qualitative longitudinal research’s (QLR) reliance on, generally speaking, smaller samples that few have been able to shed much light on which re-contacting procedures are associated with achieving higher rates of retention. In this article, using data from a fifth sweep of a larger but particularly challenging cohort of 199 former probationers, we explore the strategies which helped us maintain high levels of retention in a QLR study. The article contains many practical suggestions which others planning or undertaking similar studies may find useful.  相似文献   
77.
The premise of this paper is that effective supervision and proper internal control system (ICS) can promote accountability and transparency, and this will attract more donors. However, in a developing country like Malaysia, it is common that proper accounting standards are not available, the laws are not enforced, and charities often struggle for survival. Debates on regulating nonprofit organizations (NPOs) have been sensitive to many and are often left unresolved, and some quarters believe that NPOs should be left to handle their own affairs. This paper provides evidence from a survey of 60 charities on the status of their ICS. It briefly describes the current state of regulations in Malaysia and makes a case for better monitoring of the sector, as this might be the reason NPOs are lacking in their ICS. We propose what type of regulation and assistance can be provided by the authorities to this sector, not only in Malaysia but also in other developing countries facing similar challenges.  相似文献   
78.
In contrast to the common tendency to see war as the result of leadership decisions based on risk assessments, and political and economic considerations about gains or losses, we use a constructivist and institutional perspective to historicize and politicize the way “nation‐state interests” and “nation‐state preferences” even in a decision to go to war are socially constructed and culturally embedded. We maintain that with the end of the Cold War, many societies found themselves at a crossroads where they had to resolve internal conflicts in regards to neoliberal globalization. These internal conflicts and a crisis of identity, between those who supported the principle of globalization and regarded it as a promise for democracy, openness, liberty and peace, and those who saw it as a danger to their exceptionality and distinctiveness, ended in wars (either internal wars or external wars) when the objectors of neoliberal globalization succeeded in creating an institutional turn which presented war as the “efficient,” “necessary,” “legitimate”, or “desired” solution to the new threatening reality. We demonstrate the validity of this argument by using Israel as a test case, examining how institutional changes in the 1990s, arising from internal societal conflicts around the Oslo Agreements, led the state to move from the brink of peace to new wars despite exogenous objections to its policy.  相似文献   
79.
The relationship of an expatriate to his or her country of origin is complicated by reasons for leaving, ease of acculturation into the new country, nostalgia, loneliness and the ability to remain connected to his or her country of origin while abroad. Research on expatriate experiences has been limited to certain countries of origin and host countries, as well as a narrow definition of the term “expatriate”. The purpose of this qualitative study was to explore the experiences and relationships with host and home countries of Syrian self‐initiated expatriates, an underrepresented group in the literature. Phenomenological interviews were conducted with 13 Syrian self‐initiated expatriates during an expatriate conference in Damascus, Syria. The results showed that Syrian self‐initiated expatriates have left Syria to advance their education and their careers. For many of the men interviewed, Syria’s mandate of military service was a factor in leaving. When in their host countries, they faced adjustment issues such as language barriers and difficulty remaining connected to Syria. Relationships with both countries were fluid and changing, based on factors such as adjustment and ease of communication. I make recommendations for improving travel, communication and cultural maintenance to support the connection between Syrian self‐initiated expatriates and Syrian society.  相似文献   
80.
The division problem consists of allocating a given amount of a homogeneous and perfectly divisible good among a group of agents with single-peaked preferences on the set of their potential shares. A rule proposes a vector of shares for each division problem. The literature has implicitly assumed that agents will find acceptable any share they are assigned to. In this article we consider the division problem when agents’ participation is voluntary. Each agent has an idiosyncratic interval of acceptable shares where his preferences are single-peaked. A rule has to propose to each agent either to not participate or an acceptable share because otherwise he would opt out and this would require to reassign some of the remaining agents’ shares. We study a subclass of efficient and consistent rules and characterize extensions of the uniform rule that deal explicitly with agents’ voluntary participation.  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