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21.
At the turn of 20th century social scientists have built up a large stock of cross-sectional data-sets to study social change. However, scholars more and more collect event history data containing the exact timing of events. Comparing the (dis)advantages event history data are to be preferred. However, for research on value change the event history approach is inapplicable, since it is not possible to ask the timing of a value change retrospectively. I will illustrate that value change (i.e. cohort differences) can be studied adequately with cross-sectional data, if information about the historical context is added. For this purpose I test Inglehart's value change thesis.Interestingly, there are also topics in which cross-sectional data-sets are unnecessarily being used. Using research on secularization as an example, I show that the event-history approach can be used to answer the question whether the decreasing number of religious people concerns a cohort-effect. However, whatever data-set is being used, to study cohort differences, one should always give a theoretical answer to the key-question: what exactly makes cohorts different 相似文献
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This paper investigates the increase in wage inequality, the decline in collective bargaining, and the evolution of the gender wage gap in West Germany between 2001 and 2006. Based on detailed linked employer–employee data, we show that wage inequality is rising strongly — driven not only by real wage increases at the top of the wage distribution, but also by real wage losses below the median. Coverage by collective wage bargaining plummets by 16.5 (19.1) percentage points for male (female) employees. Despite these changes, the gender wage gap remains almost constant, with some small gains for women at the bottom and at the top of the wage distribution. A sequential decomposition analysis using quantile regression shows that all workplace related effects (firm effects and bargaining effects) and coefficients for personal characteristics contribute strongly to the rise in wage inequality. Among these, the firm coefficients effect dominates, which is almost exclusively driven by wage differences within and between different industries. Labor demand or firm wage policy related effects contribute to an increase in the gender wage gap. Personal characteristics tend to reduce wage inequality for both males and females, as well as the gender wage gap. 相似文献
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In this paper we analyze whether cross‐sector partnerships enable companies to respond to the specific conditions at the base of the pyramid (BOP). We develop three hypotheses in which we argue how cross‐sector partnerships support companies to face unfamiliar conditions in these markets. We test the developed hypotheses against the data of 103 companies operating in BOP‐markets. The results show that companies rely on organizations from the civil society sector in order to meet customer needs. Partners from the business sector are supportive when responding to restrictive market conditions. Institutional partnerships should be considered when companies aim at responding to the regulatory environment. We outline theoretical and managerial implications and reflect some limitations of the study. Copyright © 2013 John Wiley & Sons, Ltd and ERP Environment. 相似文献
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We present a model of conflict in which each group decides to claim the country’s income and invest in arms or to accept a
group neutral allocation of income and not invest in arms. Apart from the usual cooperative or conflictual societies, their
strategic choice can result in hierarchically stratified societies in which one group is dominant. We show how the presence
and exploitation of certain types of resources matters for the occurrence of conflict or social hierarchical stratification
and for the possible effects of trust manipulation. In particular we find that, first, robust (encompassing point and lootable)
resource rich economies tend to be conflictual, plantation economies hierarchically stratified and diversified economies cooperative.
Second, foreign intervention, aimed at changing the balance of power in the case of conflict, is most effective in robust
and diffuse resource rich economies. Third, trust manipulation (as a means to counter conflict) is most effective in subsistence
and diffuse resource rich economies. Throughout the article, we cite ample case study and econometric evidence to support
our model. 相似文献
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Horst Braunwarth/Dirk Meyer 《Heilberufe》2009,61(12):41-43
Wundumgebung und Wundauflagen - Die wundumgebende Haut, sofern sie intakt
ist, hat eigentlich keinen direkten Einfluss auf die Wundheilung, da aber die Wundauflagen
oder der Sekund?rverband auf der wundumgebenden Haut fixiert wird, ist die
Beurteilung und Schutz dieser Hautareale für die Wundheilung von Bedeutung. 相似文献