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排序方式: 共有222条查询结果,搜索用时 15 毫秒
51.
Roland Caulcutt 《Journal of applied statistics》2001,28(3-4):301-306
There can be little doubt that Motorola, General Electric, Black and Decker, Allied Signal (now Honeywell), ABB and Bombardier, have achieved impressive business performance in recent years. Their annual reports document this success. Furthermore, in several cases, the Annual Report clearly attributes this success to having followed a Six Sigma strategy. Not surprisingly, many other companies wish to learn what Six Sigma can do for them, and their first question is 'What exactly is Six Sigma?'. Unfortunately it is rather difficult, if not impossible, to define Six Sigma in one or two sentences. This paper identifies the essential elements of Six Sigma. Some are obvious, such as the extensive use of statistical techniques by employees known as Blackbelts. However, other more subtle, but very important, features of Six Sigma are concealed within the business culture of these successful companies. It is clear to those who have participated in this success, that any company embarking on Six Sigma will not succeed if it focuses on statistics whilst failing to develop a supporting culture. 相似文献
52.
Christina Bohk Roland Rau 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2015,67(1):271-294
To investigate how economic conditions and crises affect mortality and its predictability in industrialized countries, we review the related literature, and we forecast mortality developments in Spain, Hungary, and Russia—three countries which have recently undergone major transformation processes following the introduction of radical economic and political reforms. The results of our retrospective mortality forecasts from 1991 to 2009 suggest that our model can capture major changes in long-term mortality trends, and that the forecast errors it generates are usually smaller than those of other well-accepted models, like the Lee-Carter model and its coherent variant. This is because our approach is capable of modeling (1) dynamic shifts in survival improvements from younger to older ages over time, as well as (2) substantial changes in long-term trends by optionally complementing the extrapolated mortality trends in a country of interest with those of selected reference countries. However, the forecasting performance of our model is limited (like that of every model): e.g., if mortality becomes extremely volatile—as was the case in Russia after the dissolution of the Soviet Union—generating a precise forecast will depend more on luck than on methodology and expert judgment. In general, we conclude that, on their own, recent economic changes appear to have minor effects on life expectancy in industrialized countries, but that the effects of these changes are greater if they occur in conjunction with other major social and political changes. 相似文献
53.
Roland Königsgruber 《Journal of Management and Governance》2010,14(4):277-295
In recent years accounting researchers have identified “political” lobbying as a problem for accounting standard setting.
This paper presents a simple game-theoretic analysis of the political process to identify situations where companies have
incentives to lobby the political principal instead of participating in the usual due process of accounting standard setting.
Analysis of the model suggests that “political” lobbying is more likely to happen in the EU than in the US. Furthermore it
is suggested that if the relevant standard setters wish to achieve harmonization of accounting standards between the EU and
the US, European companies have more lobbying leverage than their American counterparts because there are more European veto
players than American ones. 相似文献
54.
55.
In this study, a number of psychological concepts have been measured (through questionnaire-items) in 15 countries under the hypothesis that they could explain national differences in attitudes towards the euro. Based on the average country scores for each of these concepts, multidimensional scaling (combined with hierarchical cluster analysis) revealed 5 regions and 2 unclustered countries (UK and Ireland) in three dimensions: 1. National economic pride and satisfaction; 2. Self-confident open-mindedness; 3. Progressive non-nationalistic. Structural equation modelling was further used to perform multiple group regression analyses in order to test for differential relationships between the psychological concepts and the attitudes, for the different country regions. It could be shown that the majority of psychological variables have a significantly different impact on euro-attitudes.PsycINFO classification: 2229; 2930; 2960; 3920 相似文献
56.
57.
Urban areas are an important and growing land use class. Nearly 5 % of the world is covered with urban development and residential yards make up a large proportion of that area. Yards have unique but homogenous biological characteristics and are known to be rich with bird fauna, but little is known about backyard mammals. We used camera traps to sample mammal communities in backyards and urban woodlots in Raleigh-Durham, North Carolina, USA and related species activity to yard characteristics and levels of neighborhood development. We found a vibrant community of smaller herbivores and carnivores using residential yards in urban areas, but larger ungulates and carnivores were only detected on the urban fringe, or in woodlots. Backyard chicken coops were positively correlated with raccoon activity but were not positively correlated with other predators, suggesting that chicken coops are attracting raccoons, but not other predators, to yards. Fenced-in dogs were negatively correlated with most mammals suggesting that confined dogs keep mammals out of yards. Unfenced dogs and fences without dogs, showed a more varied relationship with mammal activity. These results show an encouraging sign of how humans can coexist with wildlife, even in urban areas, and suggest some strategies to minimize conflict regarding backyard chicken coops and dogs. 相似文献
58.
Anke Müller-Peters Roland Pepermans Guido Kiell Nicole Battaglia Suzanne Beckmann Carole Burgoyne Minoo Farhangmehr Gustavo Guzman Erich Kirchler Cordula Koenen Flora Kokkinaki Mary Lambkin Dominique Lassarre Francois-Regis Lenoir Roberto Luna-Arocas Agneta Marell Katja Meier Johanna Moisander Guido Ortona Ismael Quintanilla David Routh Francesco Scacciati Liisa Uusitalo Yvonne M. van Everdingen W. Fred van Raaij Richard Wahlund 《Journal of Economic Psychology》1998,19(6):663-680
59.
Systematisierung der Erfolgsfaktoren von Wissensmanagement auf Basis der bisherigen empirischen Forschung 总被引:1,自引:0,他引:1
Prof. Dr. Roland Helm Prof. Dr. Reinhard Meckl Dipl.-Kffr. Nicole Sodeik 《Zeitschrift für Betriebswirtschaft》2007,77(2):211-241
Zusammenfassung Der vorliegende Beitrag leitet aus einer umfassenden Bestandsaufnahme der empirischen Forschung zum Wissensmanagement einen
Bezugsrahmen der Erfolgsfaktoren ab. Ziel ist die Zuordnung der identifizierten Erfolgsfaktoren zu übergeordneten Aggregationsniveaus
(Untersuchungsfelder, Kategorien und Dimensionen) und damit die Reduzierung von Komplexit?t und Systematisierung der bisherigen
Befunde. Weiterhin sollen aus den Ergebnissen der vorliegenden Analyse Implikationen für die weitere Forschung im Wissensmanagement
abgeleitet werden. Als Ergebnis resultiert ein Modell, welches die Inhalte als auch die hypothetischen Beziehungen zwischen
den identifizierten Aggregationsebenen veranschaulicht. Er bildet damit Grundlage für eine weitere Analyse der Erfolgsfaktoren,
ihrer Auspr?gungen und Interdependenzen. Aus der Heterogenit?t der Studien konnten weitere Implikationen für die theoretische
Wissensmanagement-Forschung abgeleitet werden.
Knowledge management factors of success: A review of empirical findings and a model for future research
Summary This paper derives a framework of key success-factors from an in-depth review of empirical research in knowledge management. Our first objective was to reduce the complexity of previous findings in the field of knowledge management by developing a model-structure that focuses on the interdependencies of the identified variables and to develop a framework that would allow for further research. We thus iteratively aggregated the identified factors of success to superior fields of analysis (named research fields, categories and dimensions). Our second objective was to extract from the analysis further implications for future research. The derived hypothetical framework maps the identified levels of aggregation and its describing factors, as well as the hypothetical interdependencies among them. Therefore this framework not only structures the findings, but also provides a basis for further analysis that aims at sound confirmation of the knowledge management factors of success, their characteristics and interdependencies. The observed heterogeneity of existing research points towards further research implications for knowledge management theory.
Forschungsschwerpunkte: Mergers & Acquisitions, Projektmanagement, Wissensmanagement 相似文献
60.
We study political activism by several interest groups with private signals. When their ideological distance to the policymaker is small, a “low‐trust” regime prevails: agents frequently lobby even when it is unwarranted, taking advantage of the confirmation provided by others' activism; conversely, the policymaker responds only to generalized pressure. When ideological distance is large, a “high‐trust” regime prevails: lobbying behavior is disciplined by the potential contradiction from abstainers, and the policymaker's response threshold is correspondingly lower. Within some intermediate range, both equilibria coexist. We then study the optimal organization of influence activities, contrasting welfare levels when interest groups act independently and when they coordinate. (JEL: D72, D78, D82) 相似文献