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Demographic rates of historical populations have usually been calculated using only data from stayers alone. Can they be extrapolated to the population as a whole? Ruggles has recently pointed out, using both logic and a computer simulation, that stayers experience vital events earlier in life than movers due to migration censorship: those who experience them later in life have often migrated away from the community being studied. We show that stayers do indeed marry and die at younger ages than do movers, using a genealogical database on the American North (1620–1880). These differences are caused, however, both by migration censorship and by genuine differences between the two groups and the places they lived. Therefore changes over time among stayers are not good indicators of changes in the population as a whole because they are affected by changing migration rates. Thus no simple “correction factor” can be extrapolated to estimate the general population; neither stayers (nor movers) constitute a “baseline” or “normal” process: both must be considered together in order to gain an accurate picture of the population as a whole.  相似文献   
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This paper discusses the findings from an ethnographic study of childcare. It examines employed mothers and their experiences with sending their young children to childcare centers, and childcare workers and their perspectives on their work. In this 2‐year‐long research project, I studied two large, urban childcare centers, one independent, non‐profit and one part of a national, for‐profit chain. Methods included participant observation, in‐depth interviewing, and focus groups. I found that mothers’ experiences with childcare are shaped by three factors: (1) cultural messages; (2) feelings of anxiety and guilt; and (3) the perceived quality of the childcare. I explore these three factors and discuss how the mothers are affected by the “intensive mothering” ideology. For the childcare workers, their work is affected by: (1) the level of respect and economic rewards they receive, (2) their commitment to the children, and (3) their role as expert or authority and other issues of power. By examining the two groups of women together, it becomes clear that both groups of women face interwoven challenges in a culture that devalues children and childrearing, and that alliances to address these interwoven concerns are essential.  相似文献   
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Abstract

In contemporary society, task forces are commonly used to deal with community-based social problems. Task forces develop, change, and implement policies at all levels of government, and within all types of organizations, including the public, private, and nonprofit sectors. Unfortunately, social work educators have not been involved in teaching the policy-practice skills of working on a task force. This article discusses existing literature on task forces. Gersick's (1988) model of task group development is used to structure the teaching of the task force approach. An advanced policy course on homelessness is used as an illustration, and a recommendation is made for adjusting educational requirements to cross-reference courses in the social work curriculum that teach substantive topics and, at the same time, use innovative methods to teach group skills.  相似文献   
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This study investigates how digital transformation has disrupted the marketing career path by analysing the most in-demand marketing skills and identifying opportunities for future marketing professionals. Through a content analysis of job advertisements and a cross-country survey of marketing professionals, the study proposes a framework defining the skillset required of marketing professionals to start and move forward in their career. The study identifies five employability skill categories and 29 skills and capabilities. The relevance of such categories is also analysed across lowly and highly digitalised firms. This research contributes to the debate on the employability of new graduates and provides useful directions to universities, tertiary education institutions, and companies to support the marketing talents of the future.  相似文献   
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Using a social dilemma game, we study the cooperative behavior of individuals who reintegrate their group after being excluded by their peers. We manipulate the length of exclusion and whether this length is imposed exogenously or results from a vote. We show that people are willing to exclude the least cooperators and they punish more, and more severely, chronic defections. In return, a longer exclusion has a higher disciplining effect on cooperation after reintegration, but only when the length of exclusion is not chosen by group members. Its relative disciplining effect on cooperation after reintegration is smaller when the length of exclusion results from a vote. In this environment, a quicker reintegration also limits retaliation. The difference in the impact of long versus short exclusion on retaliation is larger when the length of exclusion is chosen by group members than when it is exogenous. Post-reintegration cooperation and forgiveness depend not only on the length of exclusion but also on the perceived intentions of others when they punish. (JEL C92, H41, D23)  相似文献   
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