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Christian Dormann Mikaela Owen Maureen Dollard Christina Guthier 《Work and stress》2018,32(3):248-261
Longitudinal studies are the gold standard of empirical work and stress research whenever experiments are not plausible. Frequently, scales are used to assess risk factors and their consequences, and cross-lagged effects are estimated to determine possible risks. Methods to translate cross-lagged effects into risk ratios to facilitate risk assessment do not yet exist, which creates a divide between psychological and epidemiological work stress research. The aim of the present paper is to demonstrate how cross-lagged effects can be used to assess the risk ratio of different levels of psychosocial safety climate (PSC) in organisations, an important psychosocial risk for the development of depression. We used available longitudinal evidence from the Australian Workplace Barometer (N?=?1905) to estimate cross-lagged effects of PSC on depression. We applied continuous time modelling to obtain time-scalable cross effects. These were further investigated in a 4-year Monte Carlo simulation, which translated them into 4-year incident rates. Incident rates were determined by relying on clinically relevant 2-year periods of depression. We suggest a critical value of PSC?=?26 (corresponding to ?1.4 SD), which is indicative of more than 100% increased incidents of persistent depressive disorder in 4-year periods compared to average levels of PSC across 4 years. 相似文献
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This paper presents a review of empirical research on the impact of acquisitions on firm performance. The evidence suggests that, in the short run, acquisitions have at best an insignificant impact on shareholder wealth. Long‐run performance analysis reveals overwhelmingly negative returns, while the evidence using accounting performance measures is mixed. The review also examines the impact of bid characteristics on performance. The acquisition of hostile targets, transactions that are paid for with cash and acquisitions of larger targets are associated with superior (or at least less negative) performance, while there is mixed evidence on the benefits of related acquisitions. A number of recent studies find that acquirers with superior pre‐bid performance tend to experience significant underperformance in the post‐bid period. 相似文献
56.
Dr. Gerald Eisenkopf Prof. Dr. Christian Lukas 《Zeitschrift für Betriebswirtschaft》2010,80(7-8):821-839
The paper analyzes different selection policies in education and business. We show that incorrect self-perceptions combined with imperfect performance measurement may cause significant welfare losses in selective educational systems, in particular if selection starts too early. Of course, these welfare losses can be mitigated by an investment in better ability assessment. However, an affirmative action policy could serve the same purpose as such an investment. We apply our analysis also to diversity management in firms. Based on positive discrimination we establish an efficiency argument for diversity management. 相似文献
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Business Model Design: An Activity System Perspective 总被引:2,自引:0,他引:2
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Judgment aggregation without full rationality 总被引:1,自引:1,他引:0
Several recent results on the aggregation of judgments over logically connected propositions show that, under certain conditions,
dictatorships are the only propositionwise aggregation functions generating fully rational (i.e., complete and consistent)
collective judgments. A frequently mentioned route to avoid dictatorships is to allow incomplete collective judgments. We
show that this route does not lead very far: we obtain oligarchies rather than dictatorships if instead of full rationality
we merely require that collective judgments be deductively closed, arguably a minimal condition of rationality, compatible
even with empty judgment sets. We derive several characterizations of oligarchies and provide illustrative applications to
Arrowian preference aggregation and Kasher and Rubinstein’s group identification problem.
This paper was circulated in August 2006 and presented at the Yale workshop on Aggregation of Opinions, September 2006, at
the Centre interuniversitaire de rechere en économie quantitative, Montreal, October 2006, and at the 1st International Workshop
on Computational Social Choice, Amsterdam, December 2006. We are grateful to the participants at these occasions and the anonymous
referees for comments. We also thank Ton Storcken for discussion. Elad Dokow and Ron Holzman have independently proved closely
related results, which were also presented at the Yale workshop in September 2006, and circulated in the December 2006 paper
(Dokow and Holzman 2006). 相似文献
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Andrej Christian Lindholst 《Planning Practice and Research》2015,30(4):376-392
Although the term ‘quality’ has a universal positive connotation and typically is framed by a focus on improvements, its application includes as well as excludes the access, values and world views of particular actors and interests. In this article, we highlight the relevance and implications of such ‘inherent politics’ through a case study of a widespread approach to operationalizing quality in urban green space management. We conclude that adoption of any quality model has both limiting and enabling implications for public participation and decision-making and that a critical stance is needed within both research and practice for the development of quality models that connect to values of broader societal relevance. 相似文献