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31.
Michaela Knecht Gregory Meier Andreas Krause 《Gruppendynamik und Organisationsberatung》2017,48(3):193-201
Background: Companies are increasingly applying both goal- and performance-oriented leadership practices. For employees, such indirect control practices make higher self-regulatory demands: They become responsible for their work outcomes and have to bear the consequences of failure just like the self-employed. The current study focuses on the concept of “self-endangering work behaviors” as representing a possible negative effect of indirect control and a possible mediator between work demands and negative outcomes. Method: An online survey was conducted with 607 employees, who reported to work in an indirect control setting. It assessed extension of working hours, intensification of working hours, sickness presenteeism, and faking as possible self-endangering work behaviors together with exhaustion as a subjective well-being measure. The lavaan package was used to test the mediation hypothesis with a structural equation model. Results: Results supported the assumption that self-endangering work behaviors might partly explain the association between work demands and exhaustion. A mediation effect was found for extension of working hours, intensification of working hours, and for faking. However, sickness presenteeism delivered no statistically significant mediation effect in the association between work demands and exhaustion. Discussion: As a mechanism for coping with high work demands, the new concept of self-endangering work behaviors offers one possible explanation for the negative association between high work demands and both subjective well-being and health. The concept needs to be addressed in occupational health prevention initiatives. Such interventions should balance the negative and positive effects of indirect control and take self-endangering work behavior into account. 相似文献
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33.
The availability of public day care is often assumed to be crucial to the compatibility of childrearing and women's employment. This article takes a multilevel perspective in investigating the role of child care in childbearing decisions in western Germany. Using information on the local supply of public day care and data from the German Socio‐Economic Panel, we estimated first and second birth risks from the 1980s and 1990s. We found that access to informal care arrangements increases the probability of entering parenthood, but we did not find any statistically significant effect of the public day care provision on fertility. This result points to shortcomings in the institutional setup of the German day care (and welfare) regime and to potentially relevant unobserved dimensions of child care. 相似文献
34.
The so-called “fixed effects” approach to the estimation of panel data models suffers from the limitation that it is not possible to estimate the coefficients on explanatory variables that are time-invariant. This is in contrast to a “random effects” approach, which achieves this by making much stronger assumptions on the relationship between the explanatory variables and the individual-specific effect. In a linear model, it is possible to obtain the best of both worlds by making random effects-type assumptions on the time-invariant explanatory variables while maintaining the flexibility of a fixed effects approach when it comes to the time-varying covariates. This article attempts to do the same for some popular nonlinear models. 相似文献
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36.
Michaela N. Gelin Bruce C. Carleton M. Anne Smith Bruno. D. Zumbo 《Social indicators research》2004,68(3):373-374
Volume Contents
Contents of Volume 68 相似文献37.
Zusammenfassung Obwohl Studiengebühren an staatlichen Universit?ten in einigen Bundesl?ndern in Deutschland bereits eingeführt wurden, ist
bislang unklar, ob Studiengebühren als Signalling-und Screening-Instrument Informationsasymmetrien auf Hochschulm?rkten verringern
k?nnen. Basierend auf einem Modell von Bac (2002) wird die Studienplatzvergabe als einmaliges, nicht-kooperatives Matching-Spiel
modelliert. Entgegen der allgemeinen Vermutung wird deutlich, dass die Einführung von Studiengebühren keinesfalls immer zu
einer Verbesserung des Matchings zwischen Studienbewerbern und Universit?ten unterschiedlicher Qualit?t führen muss, selbst
eine Verschlechterung ist denkbar. Die Betrachtung realer Bildungssysteme mit variablen Studiengebühren gibt Hinweise darauf,
dass sich in der Realit?t tats?chlich unterschiedliche Gleichgewichte unterschiedlicher Effizienz eingestellt haben: W?hrend
sich die Bildungssysteme Italiens und Portugals in einem effizienten Separating/Screening-Gleichgewicht befinden dürften,
wurde in den Bildungssystemen Spaniens und der Schweiz offenbar ein Separating/Semiscreening-Gleichgewicht erreicht. In Gro?britannien
scheint sich hingegen ein Pooling/Nonscreening-Gleichgewicht eingestellt zu haben. Für Deutschland lie?e sich nach Einführung
variabler Studiengebühren ein Separating/Semiscreening-oder ein Separating/Screening-Gleichgewicht II erwarten.
Tuition fees and matching quality
Summary Even though tuition fees in German public universities are started to be introduced, it is not yet clear in how far they may indeed help to overcome the informational asymmetries in higher education and serve as a signalling and screening device. Based on a model by Bac (2002), we analyze the application process of university applicants to universities and the subsequent allocation of university places as a non-cooperative matching game. Unlike the regular supposition, the introduction of tuition fees may not necessarily enhance, but may also worsen the matching between students and faculties of differing quality. Our empirical analysis of different European systems of higher education reveals that — for the case of economics — the Italian and Portuguese systems seem to be in an efficient separating/screening equilibrium while the higher education systems of Switzerland and Spain are more likely to find themselves in a separating/semiscreening equilibrium. In Great Britain, however, we have evidence of a pooling/nonscreening equilibrium. For Germany, following the introduction of variable tuition fees, we would expect a separating/ semiscreening or separating/screening equilibrium II.
Arbeitsgebiete: International vergleichende Personal-und Organisations?konomik, Bildungs-und Hochschul?konomik 相似文献
38.
Gunnar Andersson Michaela Kreyenfeld Tatjana Mika 《Journal of Population Research》2014,31(4):287-316
This study investigates the role of female labour-market attachment and earnings in childbearing progressions in two very different European contexts. By applying event-history techniques to German and Danish register data during 1981–2001, we demonstrate how female earnings relate to first, second and third birth propensities. Our study shows that female earnings are positively associated with first birth fertility in Denmark, while this is not the case in West Germany. We interpret our findings based on the fact that Danish social context and policy encourage women to establish themselves in the labour market before becoming mothers, while the German institutional context during the 1980s and 1990s was not geared towards encouraging maternal employment. For higher-order births, the results are less clearcut. For Denmark we find a slightly positive correlation between female earnings and second-birth fertility, while the association is somewhat negative for third-order births. In Germany, women tend to leave the labour market when becoming mothers. Non-employed mothers have elevated second and, in particular, third-birth rates. For the group of mothers who are employed, we find only a weak association between their earnings and higher-order fertility. 相似文献
39.
We present a flexible branching process model for cell population dynamics in synchrony/time-series experiments used to study important cellular processes. Its formulation is constructive, based on an accounting of the unique cohorts in the population as they arise and evolve over time, allowing it to be written in closed form. The model can attribute effects to subsets of the population, providing flexibility not available using the models historically applied to these populations. It provides a tool for in silico synchronization of the population and can be used to deconvolve population-level experimental measurements, such as temporal expression profiles. It also allows for the direct comparison of assay measurements made from multiple experiments. The model can be fit either to budding index or DNA content measurements, or both, and is easily adaptable to new forms of data. The ability to use DNA content data makes the model applicable to almost any organism. We describe the model and illustrate its utility and flexibility in a study of cell cycle progression in the yeast Saccharomyces cerevisiae. 相似文献
40.
Sociologists and demographers have long been interested in the role of economic uncertainty in family behavior. Despite the prevailing “bourgeois conviction” that economic uncertainty discourages people from having children, the empirical evidence on this issue is mixed. In this paper, I summarize the recent empirical evidence, and discuss the potential limitations of previous investigations. Among the possible shortcomings of these studies is that many relied exclusively on unemployment as an operational definition of labor market uncertainty. Subjective indicators of economic uncertainty, which measure the individual’s perception of his or her economic situation more directly, often were not available to researchers. Moreover, few of these studies explored group-specific differences in behavior. In this paper, we seek to overcome some of the limitations of these earlier analyses. Based on data from the German Socio-Economic Panel (GSOEP), we study the role of perceived economic uncertainty in transitions to first and higher order births for the period 1990–2013. In addition, we examine how different population subgroups (stratified by education, parity, and age) respond to economic uncertainty. 相似文献