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661.
In recent years, the notion of business models has gained momentum in management research. Scholars have discussed several barriers to changing business models in established firms. However, the national institutions of market economies have not yet been discussed as barriers, even though they can constrain the latitude of action of a firm's management. Based on interviews and a longitudinal content analysis, we analyse the extent to which full service carriers in two countries (British Airways in the UK and Deutsche Lufthansa in Germany) have adopted elements of a low cost model over time. Furthermore, we investigate how this process has been influenced by the differences in each national institutional context. We particularly focus on the role of the rights of employee representatives in changes in business models. Our results show that British Airways has moved its business model more in the direction of low cost carriers than Deutsche Lufthansa, although the business model of the former airline still differs significantly from that of a typical low cost carrier. We identify national institutions that potentially strengthen the position of employee representatives as a factor that can influence, and also act as a barrier to, business model change.  相似文献   
662.
This paper evaluates the link between employee affective commitment and wages using a theoretical model predicting that affective commitment and wages can be complements. We estimate simultaneous quantile regressions based on a matched worker–employer sample of private sector workers from the UK's Workplace Employment Relations Survey 2004. Our results suggest that wages increase with increasing levels of affective commitment, consistent with the idea that the two are complements.  相似文献   
663.
ABSTRACT

This article examines how young African immigrant men in Southern Ontario cope with the dominant racial identity at school in an effort to improve their academic performance and access postsecondary education (PSE). Critical race theory in education is employed to explain how the young men distance themselves from stereotypes about Black masculinity by regulating their own behaviour and differentiating themselves from their Caribbean immigrant peers. Sixty-seven young men who had immigrated to Southern Ontario from several African countries over the last 10 years were interviewed individually and in focus groups for the study. The findings suggest that the research participants adopted a model minority status within an educational system that clearly embodies racist and systemically oppressive frameworks.  相似文献   
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We provide easy to verify sufficient conditions for the consistency and asymptotic normality of a class of semiparametric optimization estimators where the criterion function does not obey standard smoothness conditions and simultaneously depends on some nonparametric estimators that can themselves depend on the parameters to be estimated. Our results extend existing theories such as those of Pakes and Pollard (1989), Andrews (1994a), and Newey (1994). We also show that bootstrap provides asymptotically correct confidence regions for the finite dimensional parameters. We apply our results to two examples: a ‘hit rate’ and a partially linear median regression with some endogenous regressors.  相似文献   
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Public Organization Review - This study investigates the South Korean government’s effort to promote macro-level quality development. Using the single case study method, the authors examined...  相似文献   
669.
Mixed model repeated measures (MMRM) is the most common analysis approach used in clinical trials for Alzheimer's disease and other progressive diseases measured with continuous outcomes over time. The model treats time as a categorical variable, which allows an unconstrained estimate of the mean for each study visit in each randomized group. Categorizing time in this way can be problematic when assessments occur off-schedule, as including off-schedule visits can induce bias, and excluding them ignores valuable information and violates the intention to treat principle. This problem has been exacerbated by clinical trial visits which have been delayed due to the COVID19 pandemic. As an alternative to MMRM, we propose a constrained longitudinal data analysis with natural cubic splines that treats time as continuous and uses test version effects to model the mean over time. Compared to categorical-time models like MMRM and models that assume a proportional treatment effect, the spline model is shown to be more parsimonious and precise in real clinical trial datasets, and has better power and Type I error in a variety of simulation scenarios.  相似文献   
670.
The Journal of Economic Inequality - We propose an extension of the univariate Lorenz curve and of the Gini coefficient to the multivariate case, i.e., to simultaneously measure inequality in more...  相似文献   
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