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101.
Matthias Meier 《国际管理评论杂志》2011,13(1):1-23
Knowledge‐related and organizational learning processes in alliances have received much attention throughout the last 25 years. The field has generated a rapidly growing body of empirical evidence on how knowledge is managed in alliances. However, the sphere is highly complex, fragmented, incoherent, and heterogeneous in terms of the theoretical approaches applied. This paper presents an integrative and organizing framework for the empirical literature on knowledge management in strategic alliances. It illustrates how the knowledge management outcomes of knowledge creation, transfer and application are determined by four distinct sets of factors: knowledge characteristics, partner characteristics, partner interaction, and active knowledge management. Based on this framework, this review analyses and integrates empirical evidence in order to identify where findings converge and where results conflict. So far, research has focused strongly on singular interrelations between these four sets of factors and the transfer of knowledge. Conversely, the questions of how knowledge is created, retained, retrieved and applied and how the interplay of the different factors affects knowledge management in strategic alliances remain widely unexplored. The review concludes with a summary of the current state of the art in empirical research and discusses some promising avenues for future investigation. 相似文献
102.
Optimal Change-point Estimation in Inverse Problems 总被引:2,自引:0,他引:2
Michael H. Neumann 《Scandinavian Journal of Statistics》1997,24(4):503-521
We develop a method of estimating a change-point of an otherwise smooth function in the case of indirect noisy observations. As two paradigms we consider deconvolution and non-parametric errors-in-variables regression. In a similar manner to well-established methods for estimating change-points in non-parametric regression, we look essentially at the difference of one-sided kernel estimators. Because of the indirect nature of the observations we employ deconvoluting kernels. We obtain an estimate of the change-point by the extremal point of the differences between these two-sided kernel estimators. We derive rates of convergence for this estimator. They depend on the degree of ill-posedness of the problem, which derives from the smoothness of the error density. Analysing the Hellinger modulus of continuity of the problem we show that these rates are minimax 相似文献
103.
104.
Two variance components model for which each invariant quadratic admissible estimator of a linear function of variance components
(under quadratic loss function) is a linear combination of two quadratic forms,Z
1,Z
2, say, is considered. A setD={(d
1,d
2)′:d
1
Z
1+d
2
Z
2 is admissible} is described by giving formulae on the boundary ofD. Different forms of the setD are presented on figures. 相似文献
105.
Dr. Ulrich Brinkmann Matthias Meifert 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2003,55(3):557-565
The text replies to the article “Trust and Reputation in Internet-Auctions” (KZfSS, Vol. 54, No. 4, pp. 674–693) by Diekmann and Wyder. In principle the authors’ consideration regarding a premium for reputation for trustworthy participants in internet auctions seems to be attractive. However, we object to the lacking definitions of the categories of trust and reputation as well as to the problematic design of their central indicator (reputation). With regard to their interpretation we criticize the missing consideration of qualitative — especially negative — statements in the public rating systems, underestimating the relevance of “critical incidents” to fragile trust relations on the internet. Finally we remark that Diekmann and Wyder misjudge the founding, cultivating and modifying activities (including imposing sanctions) of the platform owner towards this institution regulating the market. 相似文献
106.
Matthias Otten 《Gruppendynamik und Organisationsberatung》2003,34(2):206-208
107.
108.
Freerk T. Baumann Eva M. Zopf Tanja Westhof Stefanie Krohe Alexandra Stempin Matthias Müsgens Anne Krause Philipp Zimmer Julia Beulertz Wilhelm Bloch Elke Jäger 《European review of aging and physical activity》2013,10(1):19-24
Negative psychological and physical effects of prostate cancer and its medical treatment may persist many years after diagnosis. The influence of a long cycling tour on rehabilitative or health-related effects with prostate cancer patients has not yet been studied. In practice, physicians and therapists rarely recommend cycling to prostate cancer. In May 2010, eight prostate cancer patients rode their bikes for over 1,408 km from Cologne to Marseille within 5 weeks. Endurance test, blood examinations (prostate-specific antigen (PSA), total testosterone, interleukin-6, oxidative stress, and antioxidant capacity) and quality of life questionnaires were completed before and after the tour. All eight subjects reached Marseille. Significant improvements could be observed in physical performance and certain quality of life scores (p?=?0.008), as well as a reduction of total testosterone (p?=?0.19). PSA levels did not change. This pilot study suggests that long bicycle tours with prostate cancer patients are feasible. Due to the missing control group and the small sample size, the results of this pilot study are limited. 相似文献
109.
Richard Neumann 《Social Studies》2013,104(5):236-243
This article presents detailed instructional plans for a two-day, high school-level lesson on wealth distribution in society. The terms income and wealth are defined and compared, and the significance of studying wealth is discussed. Resources for the lesson are identified, and a pedagogical mode is outlined in relation to democratic citizenship education. 相似文献
110.
The declining capacities in older people often lead to limitations in activities of daily living and a simultaneous rising demand for care services. Many of these limitations in daily activities are to a varying degree caused, enhanced or facilitated by disadvantageous housing and environmental conditions. Home modifications have been credited as an important part of the solution, allowing for an extended and safer use of the home. In order to examine this issue in more detail, this paper provides empirical evidence on the type and extent of risks associated with accidents around the home. It reports on findings from a European case study on the difficulties using the home and risks of accidents which may lead to injury. It is argued that healthy housing conditions for older persons are important to maximize the supportive capacity of one's home, to stimulate an active and healthy lifestyle, and to avoid unnecessary institutionalization. 相似文献