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461.
In this paper we revisit the concept of brokerage in social networks. We elaborate on the concept of brokerage as a process, identifying three distinct classes of brokerage behavior. Based on this process model, we develop a framework for measuring brokerage opportunities in dynamic relational data. Using data on emergent inter-organizational collaborations, we employ the dynamic brokerage framework to examine the relationship between organizational attributes and coordination in the evolving network. Comparing the findings of our process-based definition with traditional, static approaches, we identify important dimensions of organizational action that would be missed by the latter approach. 相似文献
462.
Therese Saltkjel Tone Alm Andreassen Mirella Minkman 《International Journal of Social Welfare》2023,32(2):149-163
Conceptual frameworks are important for advancing systematic understanding in a field of research. Many conceptual models have been developed to study service integration, but few have addressed activation. Based on an outline of the literature on the integration of labour market services, we explored two complementary conceptual models from integrated care and assessed whether the models could be transferred to the context of inclusive activation. The transferral of conceptual models is contingent upon whether the significant features of inclusive activation are like those of health care, and whether barriers to integrated labour market services are considered. We argue that the models facilitate a more analytical focus on service integration. Nevertheless, the models must be adjusted to account for the significant position of workplaces and employers, the importance of frontline professionals' knowledge base, the co-production of service provision and the values characterising the service encounters. 相似文献
463.
464.
Research on networked services aimed at the (re)employment of groups marginalised from the labour market has gained momentum in different scholarly traditions (e.g., public administration, healthcare and social policy), but the topic remains somewhat fragmented. In this paper, we systematise and synthesise this research with the aim of outlining distinct research approaches, facilitating increased cross-disciplinary understandings and promoting interdisciplinary research. Based on a systematic review of the literature (1990–2018, n = 273), we highlight four dominant research approaches: rehabilitation, disability, welfare and governance. We show that these research approaches involve distinct conceptualisations of labour market inclusion, networked services and the target groups. Nevertheless, the research approaches also apply similar terms and concepts (e.g., partnership, collaboration) but with different (more or less implicit) connotations, which lead to fragmentation. We do not suggest that there be a unified use of concepts across traditions; however, we argue for the necessity of increased awareness of the similarities and differences between these research traditions in order to increase understanding of the networked employment services available to marginalised groups. 相似文献
465.
Romance constitutes a central experience in adolescence, which can take several forms including (a) serious romance with a steady partner, (b) casual and short‐lived dating, and (c) pending experiences of romantic thoughts and attempts. Using a three‐way longitudinal design, the present study examined the gender differences and developmental changes of these romantic experiences, and their cross‐lagged associations with identity processes, throughout one year in late adolescence. 389 students (63% girls) filled out questionnaires about their romantic experiences and identity processes. Girls reported more serious romance than did boys, who reported more casual dating and pending experiences. Serious romance increased over the year for both genders whereas casual dating and pending experiences continued to rise only for boys. The cross‐lagged model highlighted that serious romantic experience positively predicted identity commitments and exploration in depth whereas identity exploration in breadth positively predicted casual dating. This pattern was stable over the three time points and across gender and age groups. Overall, this study invites consideration of more diverse romantic experiences than those associated with tangible involvement. We discuss the contribution of romantic experiences to the identity dynamic. 相似文献
466.
Recent Australian interest in the integration of early childhood services is largely informed by international research and policy developments, particularly from the United Kingdom. Service integration is widely recognised as an effective means of holistically meeting the needs of children and families and ameliorating disadvantage. What is less well known is that Australia has a history of integrated early childhood services. This paper focuses on three points in 20th century Australia when advocacy for integrated early childhood service provision was evident: post‐World War I when the first Mother and Baby Welfare Clinic was established; during the late 1930s to mid 1940s with the advent of the Lady Gowrie Centres; and in the 1970s when several reports recommended the integration and co‐ordination of early years services. Attending to this history acknowledges this innovative Australian work, and provides potentially valuable, and somewhat cautionary, lessons for contemporary advocacy for integrated early childhood services. 相似文献
467.
ALICE REID 《Population studies》2013,67(2):151-166
This paper examines influences on post-neonatal mortality in Derbyshire (England) in the early twentieth century, by applying multivariate hazard analysis to a rare individual-level data set. The data allow detailed patterns of breastfeeding and weaning to be examined. The role of feeding is given special attention as a mediator between mortality and the other environmental, social, and demographic factors considered. Twins and illegitimate children were more likely to have been hand-fed, but this could explain only a small fraction of their increased vulnerability. Artificial feeding was associated with increased risks of death from diarrhoea, respiratory disease, and wasting diseases. It is suggested that the link with wasting diseases was predominantly the result of the greater likelihood of congenitally weak children being hand-fed. Most of the variation in post-neonatal mortality, particularly from respiratory disease, was explained by environmental influences - population density, altitude, and the presence of mining. 相似文献
468.
IBRAHIM RAHIMOV 《Mathematical Population Studies》2013,20(4):188-199
The asymptotic normality of conditional least squares estimators for the offspring variance in critical branching processes with nonhomogeneous immigration is established, under moment assumptions on both reproduction and immigration. The proofs use martingale techniques and weak convergence results in Skorokhod spaces. 相似文献
469.
Douglas A. Wolf 《Mathematical Population Studies》2013,20(3):217-245
A method for generalizing the multistate, or increment‐decrement, life table to include rates which depend upon duration of exposure to risk, as well as upon age, is proposed. The method is built upon the linear approximation, called the linear integration hypothesis, developed mainly by Rogers and his colleagues. Although the use of rates indexed by duration categories leads to a substantial increase in the state space of the model, it is possible to arrange the rates in such a way that matrices to be inverted are no larger than those encountered in the usual multistate life table. In the more general approach it is possible to derive several new summary indices of the life‐table cohort's history, such as the mean and median time in current status, at any age. The method is illustrated using a simple four‐state marital‐status model which has appeared often in the literature; here, rates of divorce and widowhood vary by duration of marriage as well as age. 相似文献
470.
We analyze poultry‐related policy documents from Ghana and ask how the problems identified and the actions proposed have changed over time. The analysis highlights the fact of limited and poor quality data, and associated uncertainty, ambiguity and poor specification of both problems and interventions. It also points to a long‐term commitment to intensive commercial production as the preferred pathway to deliver more animal protein. However, in the face of persistent feed constraints and economic liberalization, imports of frozen chicken have sky‐rocketed since the early 2000s, and a new pathway has come to dominate. We discuss this outcome and what it says more generally about policy around minor crops and livestock species. 相似文献