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371.
Nadine Schlömer-Laufen Rosemarie Kay Arndt Werner 《Zeitschrift für Betriebswirtschaft》2012,82(3):93-115
This paper examines the quality of the relationship between business managements and works councils in small and medium-sized enterprises and strives for answering the question, which factors determine the quality. As ownership is an important determining factor of the establishment of works councils in small and medium-sized businesses, especially the impact of ownership on this relationship has been investigated. Agency theory and stewardship theory give hints that the owner management can have different impacts on this relationship. In order to test these contradictory hypotheses we have estimated a Heckman selection model to investigate which factors determine the quality of the relationship between business managements and works councils. Our results based on data generated from a survey in small and medium-sized enterprises conducted by the IfM Bonn in the years 2005 and 2006 indicate that ownership has a negative influence on the establishment of works councils, but a positive one on the quality of the relationship between business management and works council. Thus, the hypotheses predicting the existence of stewardship behaviour among owners and the existence of agency behaviour among managers can be confirmed. 相似文献
372.
Simon Bockmühl Andreas König Albrecht Enders Harald Hungenberg Jonas Puck 《Review of Managerial Science》2011,5(4):265-289
The extant literature highlights numerous different factors influencing the timeliness and intensity of incumbent response
to discontinuous technological change. However, this literature has so far not been synthesized and is therefore limited in
its analytical, predictive, and normative power. We develop a comprehensive model of incumbent response that organizes different
explanatory factors into the three distinct dimensions of (1) identification and interpretation, (2) decision making, and
(3) organizational implementation. We also conceptualize how response intensity and timeliness affect business performance
in new technological domains. We test the model against data from 320 firms from the German dental lab industry, finding substantial
support for the majority of our hypotheses. This study offers unique empirical insight in observing that cognitive constructs
such as framing and management flexibility have the strongest impact on both intensity and timeliness of incumbent response
to technological, and thus, strategic discontinuities. Together, our findings have important implications for both theory
and practice. 相似文献
373.
Although the most common approach for comparing two independent groups is on the basis of some measure of location, determination of the differences in the tails of the groups is often of interest. In this study, Harrell–Davis estimator, Sfakianakis–Verginis estimators and default quantile estimator of R are used in conjunction with a percentile bootstrap method with the aim of comparing two independent groups via the quantiles, and the relative efficiencies of Harrell–Davis and Sfakianakis–Verginis estimators are compared. General performance of Sfakianakis–Verginis estimators was much better than Harrell–Davis estimator in terms of both saving actual type I error and relative efficiency. 相似文献
374.
After smoking, exposure to radon and its progeny is the second leading cause of lung cancer. The probability of inducing lung carcinomas by inhaled radon progeny depends on the deposited radiation dose, and is significantly affected by physiological and morphometric changes induced by smoking. Due to irritation of the airways, the inhalation of cigarette smoke leads to the hyperproduction of mucus. Two concurrent processes occur: on one hand, increased production of mucus protects the target cells against radiation damage; on the other hand, in the case of long-term smokers, a chronic lung obstruction develops, causing an increase in the radiation dose to the lungs. Depending on the duration and intensity of smoking, these processes contribute to the final radiation dose with different weights. The primary objective of this study was to investigate to what extent these smoke-induced changes can modify the resulting absorbed dose of inhaled radon progeny relative to healthy nonsmokers. Since the bronchial dose depends on the degree of lung tissue damage, we have used this dose as a tool for detecting the effects of smoking on the lung epithelium. In other words, the biological effect of radon served as a tracer of changes induced by smoking. 相似文献
375.
Per Gösta Andersson 《统计学通讯:理论与方法》2020,49(22):5493-5503
AbstractThe Poisson distribution is here used to illustrate Bayesian inference concepts with the ultimate goal to construct credible intervals for a mean. The evaluation of the resulting intervals is in terms of “mismatched” priors and posteriors. The discussion is in the form of an imaginary dialog between a teacher and a student, who have met earlier, discussing and evaluating the Wald and score confidence intervals, as well as confidence intervals based on transformation and bootstrap techniques. From the perspective of the student the learning process is akin to a real research situation. The student is supposed to have studied mathematical statistics for at least two semesters. 相似文献
376.
377.
378.
Jörg Fengler 《Gruppendynamik und Organisationsberatung》2005,36(3):303-309
In this article there are discussed four ethical standards which helpers can regard, when there are looking for orientations in their professional work: basic competence and basic performance, regarding the paradigmatic frame of reference, maturity of the helper, client support, and care for helpers mental health. 相似文献
379.
Ingolf V. Törne Roland Konstanty 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1992,8(1):39-59
As part of a longitudinal study on gambling behavior, 300 gamblers who differed in the extent of their subjective stress were surveyed by clinical psychologists. Self ratings, interviewer ratings and questionnaires were used to assess socio-demographics, gambling behavior, psychological disturbance and social consequences. Our results lead to two central conclusions: 1. The amount of time spent on gambling activities per week and the number of years since starting gambling were not significant predictors of the extent of subjective stress related to gambling. 2. There are various sources for the subjective stress of gambling, such as marital discord and lack of social assertiveness. In a subgroup, stress was directly related to gambling. Generally, we found a higher incidence of alcohol abuse and depression in the stressed gamblers. Further research is indicated to obtain information on the etiology and development of these disturbances.This article was first published in Germany: Törne v. I, Konstanty, R: (1989), Spielverhalten und Störungsbilder bei Spielern an Geldspielautomaten, Suchtgefahren, 35, 14–34. 相似文献
380.
The study focuses on consumer motion picture motives and choice criteria. Its purpose can be specified into the following objectives: (1) to examine the motivational basis of cinema attending. (2) to examine the predictive ability of movie motives and consumers' attribute importances in preference regressions of four types of movie, (3) to carry out a motion picture choice analysis by predicting audience membership with discriminant analysis. The data is based on a convinience sample of Finnish consumers (N = 228) attending one of the following types of movie: adventures/ thrillers, human/ social dramas, sex movies, entertainment movies.The results of a group of multivariate analyses (factor analysis, canonical correlation, preference regression, and discriminant analysis) indicate that consumers attending different types of films have distinctly separate motivation bases, as well as attribute importance profiles, underlying their movie choices. Each movie type had a specific preference structure, expressed by the regression coefficients. Finally, the discriminant analysis suggests that the general motive and attribute variables are effective also in predicting motion picture choice. On balance, the results were mutually supportive and exemplify the managerial usefulness of quantitative consumer analysis also in the case of such abstract leisure products as motion pictures. 相似文献