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81.
Marina Bouzon Rodrigo Spricigo Carlos M.T. Rodriguez Abelardo A. de Queiroz Paulo A. Cauchick Miguel 《生产规划与管理》2013,24(16):1368-1385
Academic and corporate interest in reverse logistics (RL) has risen considerably in recent years. In this context, the objective of this study was to identify the drivers that enable RL practice in an emerging economy. Firstly, international peer-reviewed publications on RL were used to develop a RL environment framework representing the main RL internal and external influences. Secondly, a case-based research was conducted in a large manufacturing company located in Southern Brazil. The results indicated that the most cited driver in the RL literature, the government and legislation, was not a main influence on the studied company. Environmental legislation is still limited in the country and struggles to provide incentives to increase materials recycling. An economic factor related to materials value recovery was also found to drive the backward flow. Finally, knowledge of the RL driving forces may support industries to better implement and manage reverse flows and to bridge the gap between existing and future solutions for reverse supply chains. 相似文献
82.
Katherine R. Allen Rosemary Blieszner Karen A. Roberto 《Journal of marriage and the family》2000,62(4):911-926
Research on families in the middle and later years came into its own during the 1990s, documenting the complexity, malleability, and variety of older family connections. We examined 908 articles on family gerontology topics, observing 4 trends: Conceptually, an appreciation for pluralism and resilience as individuals and families age is apparent. Theoretically, life course, feminist, socioemotional selectivity, and family solidarity theories are increasingly applied to intergenerational family relations. Methodologically, new interest in qualitative methods for studying diverse groups has improved the depth with which aging studies can account for variability in old age; new quantitative methodologies have allowed greater sophistication in dealing with longitudinal data. Substantively, there is greater understanding of family caregiving, social support, parent‐child relationships, marital transitions, and grandparenting relationships. The field is poised to take even greater risks in fulfilling the promise of studying linked lives over time. 相似文献
83.
84.
This study explores the role of multiorganizational fields in recruitment to social movements. We study applicants to the 1964 Mississippi Freedom Summer project from two sites: the University of California at Berkeley and the University of Wisconsin at Madison. Using network analysis, we develop a model of recruitment that predicts participation on the basis of the structural positions of individuals within the multiorganizational fields, as well as on the basis of individual background factors. We also study the role that the recruitment context plays, by comparing the results at these two universities. Independent of the individual background factors, structural position in the multiorganizational field predicts participation in Freedom Summer at Wisconsin, but not at Berkeley. The effects of individual background factors on participation are also contingent on the recruitment context. We discuss the theoretical implications of our results for the study of the effects of multiorganizational fields and recruitment contexts on participation in social movements. 相似文献
85.
86.
Roberto Rossi S. Armagan Tarim Brahim Hnich Steven Prestwich Semra Karacaer 《Journal of Combinatorial Optimization》2010,19(3):325-346
The problem of finding the optimal timing of audit activities within an organisation has been addressed by many researchers.
We propose a stochastic programming formulation with Mixed Integer Linear Programming (MILP) and Constraint Programming (CP)
certainty-equivalent models. In experiments neither approach dominates the other. However, the CP approach is orders of magnitude
faster for large audit times, and almost as fast as the MILP approach for small audit times. This work generalises a previous
approach by relaxing the assumption of instantaneous audits, and by prohibiting concurrent auditing. 相似文献
87.
Mie Plotnikof Pia Bramming Layla Branicki Lrke Hjgaard Christiansen Kelly Henley Nina Kivinen Joo Paulo Resende de Lima Monika Kostera Emmanouela Mandalaki Saoirse O'Shea Banu
zkazan‐Pan Alison Pullen Jim Stewart Sierk Ybema Noortje van Amsterdam 《Gender, Work and Organization》2020,27(5):804-826
The spread of COVID‐19 acutely challenges and affects not just economic markets, demographic statistics and healthcare systems, but indeed also the politics of organizing and becoming in a new everyday life of academia emerging in our homes. Through a collage of stories, snapshots, vignettes, photos and other reflections of everyday life, this collective contribution is catching a glimpse of corona‐life and its micro‐politics of multiple, often contradicting claims on practices as many of us live, work and care at home. It embodies concerns, dreams, anger, hope, numbness, passion and much more emerging amongst academics from across the world in response to the crisis. As such, this piece manifests a shared need to — together, apart — enact and explore constitutive relations of resistance, care and solidarity in these dis/organizing times of contested spaces, identities and agencies as we are living–working–caring at home during lockdowns. 相似文献
88.
The scale-up method estimates the size of hard to count subpopulations. This method is based on the idea that the proportion of subjects in a subpopulation E known to each member of the general population T is the same as the proportion of members of E belonging to general population T. 相似文献
89.
Roberto Baiocco Jessica Pistella Marco Salvati Salvatore Ioverno Fabio Lucidi 《Journal of homosexuality》2020,67(4):489-512
ABSTRACTThis study describes the process of developing and validating the Sexual Prejudice in Sport Scale (SPSS), which is a multidimensional instrument developed to assess attitudes toward lesbians and gay men (LG) in sports. The authors conducted two studies: first, to establish the factor structure of the SPSS on 297 heterosexual athletes; and, second, to test the reliability and validity of the resulting 19-item scale on a sample of 311 heterosexual and 160 LG athletes. Exploratory factor analysis of an initial item pool yielded three factors: open rejection, which assesses the blatant prejudice expressed toward LG people; denial of visibility, which evaluates attitude toward the coming out of LG people; and gendering performance, which corresponds to gender stereotypes about performance/skills of LG people. A confirmatory factor analysis was conducted to assess the stability of the SPSS. The authors documented internal consistency, test-retest stability, and convergent/divergent validity. Implications and directions for future research are discussed. 相似文献
90.
Nonparametric inference for point processes is discussed by way of histograms, which provide a nice tool for the analysis of on-line data. The construction of histograms depends on a sequence of partitions, which we take tc be nonenibedded to allow partitions with sets of equal measure. This presents some theoretical problems, which are addressed with an assumption on the decomposition of second order moments. In another direction, we drop the usual independence assumption on the sample, replacing it by a strong mixing assumption. Under this setting, we study the convergence of the histogram in probability, which depends on approximation conditions between the distributions of random pairs and the product of their marginal distributions, and^almost completely, which is based on the decomposition of the second order moments. This last convergence is stated on two versions according to the assumption of Laplace transforms or the Cramer moment conditions. These are somewhat stronger, but enable us to recover the usual condition on the decrease rate of sets on each partition. In the final section we prove that the finite dimensional distributions converge in distribution to a Gaussian centered vector with a specified covariance. 相似文献