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101.
Anne Hämmelmann Dr.rer.nat. Rolf van Dick 《Gruppendynamik und Organisationsberatung》2013,44(2):221-238
This study tested the effects of a 2-day team building intervention on team members’ team identification, social support and collective self-efficacy. Members (n?=?32) of three teams from different sectors completed questionnaires before, directly after and six weeks after the team building intervention. Two teams served as control groups. Results showed lasting positive effects of team building on identification, support and collective self-efficacy in the training groups but no changes in the control groups. 相似文献
102.
Pirjo Lahdenperä 《Intercultural Education》2000,11(2):201-207
In this article, the author looks at the Swedish educational system and the consequences that the Swedish multicultural society has had for this system. The author especially focuses on the consequences that multiculturalism has for research into educational issues and how research itself needs to become intercultural. 相似文献
103.
Public perceptions of carbon capture and sequestration (CCS) and other low‐carbon electricity‐generating technologies may affect the feasibility of their widespread deployment. We asked a diverse sample of 60 participants recruited from community groups in Pittsburgh, Pennsylvania to rank 10 technologies (e.g., coal with CCS, natural gas, nuclear, various renewables, and energy efficiency), and seven realistic low‐carbon portfolios composed of these technologies, after receiving comprehensive and carefully balanced materials that explained the costs and benefits of each technology. Rankings were obtained in small group settings as well as individually before and after the group discussions. The ranking exercise asked participants to assume that the U.S. Congress had mandated a reduction in carbon dioxide emissions from power plants to be built in the future. Overall, rankings suggest that participants favored energy efficiency, followed by nuclear power, integrated gasification combined‐cycle coal with CCS and wind. The most preferred portfolio also included these technologies. We find that these informed members of the general public preferred diverse portfolios that contained CCS and nuclear over alternatives once they fully understood the benefits, cost, and limitations of each. The materials and approach developed for this study may also have value in educating members of the general public about the challenges of achieving a low‐carbon energy future. 相似文献
104.
On the correlation between fraud and default risk 总被引:1,自引:0,他引:1
Thomas Mählmann 《Zeitschrift für Betriebswirtschaft》2010,80(12):1325-1352
Identity fraud is one of the fastest growing white-collar crimes today and a serious concern in our information-based economy.
This paper studies one type of identity fraud: new account fraud, where an impostor opens lines of credit using a false identity,
made-up or stolen. Relying on a unique data set of consumer bank accounts, that contains information on both, fraud and default
losses, I analyze the correlation between fraud and default risk. I find that common socio-economic/demographic account holder
characteristics have opposite effects on estimated default and fraud probabilities. For example, women possess a lower fraud
probability, but a higher default probability, compared to men, and foreigners are more likely to engage in account fraud
but less likely to default than Germans. Also, the portfolio level analysis indicates that portfolio loss distributions are
quite sensitive to ex ante portfolio characteristics like the share of foreigners or blue-collar workers. These findings have
important implications for banks managing their consumer credit portfolios using limiting rules based on borrower characteristics,
and for the adequacy of banks’ capital levels. 相似文献
105.
Urs Jäger Timon Beyes 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2010,21(1):82-100
This article presents the main results of a longitudinal case study of a strategic change process in a cooperative bank. Pursuing both a “social” mission and an explicitly economic rationale, this particular nonprofit organization provides an exemplary research setting for inquiring into the delicate and contradictory interplay of mission focus and commercial imperatives. Departing from the practice perspective as a micro-view on everyday strategizing—an approach that seems to have not found its way into NPO-research yet—allows us to take an in-depth look at how people go about the process of making strategy despite the tensions between mission and profit. Our data yields three patterns of strategizing practices that aim at fostering economic growth without damaging the social mission, namely supporting diverse positions, protecting stabilized relationships, and relating to organizational experiences. Building upon our empirical results, we tentatively conceptualize “balancing practices” as potentially important acts of strategizing in NPOs. 相似文献
106.
Ingemar Johansson Sevä 《International Journal of Social Welfare》2010,19(2):225-235
Johansson Sevä I. Suspicious minds: local context and attitude variation across Swedish municipalitiesInt J Soc Welfare 2010: 19: 225–235 © 2009 The Author(s), Journal compilation © 2009 Blackwell Publishing Ltd and the International Journal of Social Welfare. This article investigates whether degree of suspicion of welfare abuse relates to local context in Sweden. It is suggested that certain features of Swedish municipalities can create a local information bias influencing individual suspicion of welfare abuse. Prevalence of social problems and political climate are features of the municipal context having the potential to influence opinion formation. Social problems are captured by local unemployment, social assistance and ill‐health rates. Political climate is captured by electoral support for conservatives. The results indicate that local context can influence suspicion of welfare abuse, contexts where social problems are widespread reduce such suspicion. While local political climate seems important in itself, it also interacts with social problem level, increasing suspicion if a conservative political climate and social problems coexist. While social problems seem to generate less suspicion regarding social policy abuse, they also provide ‘raw material’ for political rhetoric regarding suspicion. 相似文献
107.
The count data model studied in the paper extends the Poisson model by al-lowing for overdispersion and serial correlation. Alternative approaches to esti-mate nuisance parameters, required for the correction of the Poisson maximum likelihood covariance matrix estimator and for a quasi-likelihood estimator, are studied. The estimators are evaluated by finite sample Monte Carlo experi-mentation. It is found that the Poisson maximum likelihood estimator with corrected covariance matrix estimators provide reliable inferences for longer time series. Overdispersion test statistics are wellbehaved, while conventional portmanteau statistics for white noise have too large sizes. Two empirical illustrations are included. 相似文献
108.
Ulrike Sabrina Krämer Prof. Dr. Gerald Schneider 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2003,55(1):55-78
The literature on fair division has experienced a renaissance recently. Novel mathematical procedures promising an envy-free, socially efficient solution to conflicts over nearly indivisible goods play a particularly prominent role. This article presents a comparative experimental evaluation of three procedures. We examine to what extent features of the subjects of the procedures influence the choice in favor of one of the three negotiation protocols and the results of the division. Our analysis of the behavior of 119 subjects shows that psychological factors only affect the procedural choice. Dominance-seeking individuals tend to opt for those procedures that promise a fairer outcome than the relatively crude divide-and-choose-mechanism. In contrast, the outcome of the bilateral negotiations is determined by the attributes of the procedures. The strong influence of psychological factors at the initial stage of the bargaining process nevertheless casts strong doubts on the practicability of the procedures, recommended by the normative strand of game-theoretic negotiation analysis. The further development of ”fair formulas” for the resolution of redistributive conflicts should not neglect that the warring parties have to agree with the philosophy of the proposed bargaining protocol. 相似文献
109.
110.
Björn Häckel 《Zeitschrift für Betriebswirtschaft》2008,78(9):969-977
Die Forderung nach schwacher Wertadditivit?t von Sicherheits?quivalenten ist in Abh?ngigkeit des jeweiligen Bewertungszwecks
zu diskutieren. W?hrend in der unternehmensexternen Bewertungssicht, z.B. bei der Unternehmensbewertung, die Forderung nach
schwacher Wertadditivit?t gut begründbar ist, stellt sie im Bereich der unternehmensinternen Steuerungssicht eine „Nice to
have“-Anforderung dar. Darüber hinaus werden in der bisherigen Literatur zur Anwendbarkeit von Sicherheits?quivalenten die
Kernherausforderungen der unternehmensinternen Steuerung vernachl?ssigt. Insbesondere die ad?quate Berücksichtigung stochastischer
Abh?ngigkeiten im Portfolioverbund bei der Bewertung von Einzelgesch?ften mittels Sicherheits?quivalenten stellt eine Forschungslücke
dar. 相似文献