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101.
This study investigates the impact of worker learning, worker flexibility, and labor attrition on the system performance of a dual resource constrained (DRC) job-shop. The effects of learning and labor attrition have not been previously addressed in DRC literature. Results from the study, consistent with previous literature, show that the greatest benefits are achieved when inter-departmental worker flexibility is incrementally introduced into the system. In addition, the learning environment, which depends on the initial processing time of jobs and the learning rates of workers, is shown to impact the acquisition of flexibility. The study also shows that the impact of labor attrition on system performance under certain shop conditions may be significant. 相似文献
102.
Robert Handfield 《决策科学》1993,24(3):581-602
Few studies of just-in-time (JIT) implementation examine their significance in make-to-order manufacturing environments. This study examines the relative importance of several operating variables that are characteristic features of JIT systems within such environments in North America. The results suggest that the most salient features of JIT for make-to-order and assemble-to-order firms are the elimination of waste (in the form of time and defects), reduced setup time, reduced lotsize, and a smaller pool of suppliers. In addition, the results suggest that the use of non-domestic suppliers can possibly hinder efforts at JIT implementation of materials procurement. 相似文献
103.
Jon Symonds 《Child & Family Social Work》2020,25(1):144-153
Parenting programmes are recommended as an effective means to support parents in promoting positive relationships with, and managing the behaviour of, their children. One barrier that impedes their successful implementation is that partners, especially fathers, are less frequently recruited by child welfare services. This article reports on a study that investigated how both parents were engaged with parenting services. Direct recordings were made of initial telephone conversations between six practitioners and 28 parents referred to those services and investigated for evidence of how the other parent was recruited. Conversation analysis was used to identify how participants introduced the possibility of both parents being included in the service, how these possibilities were negotiated, and what eventual agreements were made for both parents to be included in future arrangements. Implications for practice, training, and future research are considered. 相似文献
104.
This paper presents qualitative evidence from an in-depth, participative action research project with 150 children aged 4–8 years old, exploring their experiences, perceptions and preferences regarding charitable giving. Most children positively engage in charitable giving through home, school and their community; however, less than 20% are aware of the cause area they are being asked to support, and most have little decision-making in their giving. Children’s willingness to engage increases when they critically examine the cause area and are facilitated to lead on giving decisions, often resulting in increased and sustained efforts to support cause areas that matter to them. 相似文献
105.
Germán A. Cadenas Nathalie Lynn Katherine Melo Li Lian Liu Elizabeth Angélica Cantú Alissa Ruth Sabrina Carroll Simeon Kulp Tameka Spence 《The Career development quarterly》2020,68(4):302-317
A need exists to better understand how racial/ethnic minority students' critical consciousness development in response to marginalization may be involved in their educational and career development. We therefore examined the link between critical consciousness development and career decision self-efficacy and career outcome expectations among racial/ethnic minority community college students. Following social cognitive career theory's conceptual pillars, we developed a testable model integrating critical consciousness and social cognitive variables. This model was tested with 135 racially and ethnically diverse community college students. Data analysis included path analyses and tests of model fit using structural equation modeling. Results suggested that (a) higher critical agency is linked to higher career decision self-efficacy and outcome expectations and (b) critical action and reflection have a bidirectional link and predict higher critical agency. Implications for research and practice aiming to close educational and career gaps among racial/ethnic minorities are discussed. 相似文献
106.
Alifa Zafirah Bandali 《Gender, Work and Organization》2020,27(2):236-250
In this article I examine the lack of self‐care regimes for women working in the non‐profit/non‐governmental sector. While I draw on ethnographic research conducted in the Malaysian context of women's organizations, the issue of self‐care for activists and feminist activists is a global one that crosses borders and boundaries. I explore the gendered nature of care and care professions to demonstrate how women are predominantly affected in these working environments. To date, there has been little scholarship on self‐care and care in non‐profit/non‐governmental working environments. Using interviews with women working in the sector, I argue that women's emotional, mental and physical health comes at a cost in these hectic workplaces. This article contributes to the literature on gender, work and care in women's organizations by taking seriously women's concerns working in these spaces, where they experience self‐neglect and institutional barriers in care regimes. 相似文献
107.
Mignon Duffy 《Sociological Forum》2020,35(3):608-627
Domestic work, once the most common occupation for women around the globe, was thought to be well on its way to extinction at the end of the twentieth century. However, in the 1980s and 1990s, evidence began to appear that domestic work was in many places again becoming a growth occupation. My goal in this article is to examine the factors related to the recent expansion of domestic work in countries in the Global North, using the United States as a case study. I draw on U.S. Census data to document the resurgence of domestic work both nationally and in many large cities across the country, and then use multivariate analysis to compare rates of domestic work across these cities. The results indicate that rates of domestic work are highly related to variables measuring structural inequalities (racialization of the labor force, immigration, and economic polarization), while showing little relationship with variables measuring unmet care needs (care dependency ratios, female/maternal labor force participation, and availability of institutional care options). These findings underline the urgency of providing protections to domestic workers and point to the need for scholarship that better theorizes the relationships among unpaid care and different forms of paid care. 相似文献
108.
Product bundling has become increasingly prevalent not only in consumer goods but also in the industrial sector. We study a purchasing problem in which a buyer must obtain necessary numbers of various stock items from a variety of vendors who charge different prices, have limited capacities and different levels of quality, and offer bundled products at discounted prices. We examine relationships among different bundling scenarios and show that the most general scenario is one in which free items are given to the buyer when sufficient quantities are purchased. We develop a mixed integer linear program that finds the purchasing strategy for the buyer that minimizes the total purchase cost. We present computational results which indicate that the problem is very tractable to solve optimally on a personal computer with standard optimization software. Finally, three extensions of the model are discussed. 相似文献
109.
杨华 《广西青年干部学院学报》2006,16(3):82-84
卖淫在我国一直是一个严重的社会问题,且有愈演愈烈之势.一个女人为了一种完全非内心的、纯粹外在的回报而献出自己最隐秘、最个人性的东西时,货币等价物就把人类尊严降到了最低点.由于社会需求的存在,卖淫在可预见的将来是无法消除的.要减轻卖淫带来的道德败坏、卖淫女犯罪、吸毒等危害,我们要从法治与德治两途径去考虑. 相似文献
110.
钱雄伟 《广西青年干部学院学报》2006,16(4):55-56,59
因现行法律限制,律师调查权受到极大制约,妨碍司法正义和当事人合法权益的实现,各地法院试行的"律师调查令制度"均缺乏法律依据,处于实践先行的尴尬境地.现阶段律师不可能享有强制调查权,但律师因客观情况不能调查取证时可以申请调查令.法院委托律师调查是合理的,律师是承担调查取证责任的合适人选.其他国家先进的立法经验可供我们借鉴. 相似文献