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排序方式: 共有113条查询结果,搜索用时 15 毫秒
51.
Jinfeng Yue  Yu Xia  Thuhang Tran 《Omega》2010,38(3-4):136-144
Make-to-order manufacturers face an idiosyncratic and complex situation in the sourcing selection process. Although they can source from several key suppliers, each order requires custom key parts that cannot be stocked. Our research provides a decision model to facilitate the sourcing process for these manufacturers using information about their sourcing partners’ cost and processing time. The manufacturer can calculate the total cost and on-time probability for all possible combinations of certified suppliers and key part allotments to obtain a sourcing portfolio with several sourcing alternatives for a desired service level. The portfolio allows the manufacturer to make trade-offs between cost and reliability to finish the job on time. Additionally, the portfolio can be obtained for a given due date or for reduced due dates in a competitive bid situation. The portfolio approach allows the manufacturer to maintain control over the sourcing selection process by partnering with sourcing members to keep costs low without losing the needed flexibility to meet customer demands.  相似文献   
52.
53.
Caring for someone with dementia can be demanding, particularly for spouses living with the care recipient. The main goal of this study was to clarify differences in the experience of caregivers who were husbands and wives with respect to burden, health, healthy behaviors, presence of difficult care recipient behaviors, social supports, and the quality of the premorbid relationship. The results of this study support research demonstrating a difference between the caregiving experiences of women and men. It is becoming increasingly apparent that female gender is a marker that places them at increased risk of high burden and less support.  相似文献   
54.
This article examines the link between local institutional quality in the home country and locational choices of international return migrants. We scrutinize the locational choices of Vietnamese return migrants to the south central and the south regions of Viet Nam in 2014. Binary and multinomial regression models are fitted to identify the influence of migrants’ individual attributes and the characteristics of regional destinations within Viet Nam. Our analysis reveals that both individual‐specific and region‐specific variables are significantly related to Vietnamese return migrants’ choices when registering for permanent residency back in their home country. More remarkably, we provide compelling evidence of the positive role of institutional quality at the local level in these migration decisions. Moreover, the effect of institutional quality differs with the characteristics of migrants: regions with better institutional quality are more attractive both to younger return migrants and to those who returned from host countries with better institutional quality.  相似文献   
55.
This article addresses the debate on second‐generation advantage and decline among Latinos by providing a post‐recession snapshot based on geocoded data from the Current Population Survey (2008–2012). It reports three findings. First, second‐generation Mexicans and Puerto Ricans are at a disadvantage, whereas other Latinos have achieved parity with native majority peers. Second, second‐generation Latinos report significant progress compared to their parents and there is no evidence of a second‐generation decline. Third, there is no difference in outcomes among second‐generation Mexicans by immigrant destination type. Overall, these analyses yield an optimistic assessment of second‐generation progress, while noting potential stagnation among third‐ and higher‐generation Mexicans.  相似文献   
56.
Since 1987, Viet Nam has been moving from a centrally planned to a market economy. The public sector became weaker, and public resources were no longer sufficient to respond to all healthcare needs. The government then recognized the need for cost-sharing, and in August 1992 issued a national Health Insurance Decree calling for compulsory health insurance for salaried workers in both the public and private sectors. Voluntary membership for dependants, farmers and the self-employed was also encouraged from the start. Currently, the number of insured persons reaches almost 9.5 million. Future challenges include the extension of coverage, especially to the low-income rural and urban population, modification of provider payment methods so as to enhance cost-containment, and organizational development in general.  相似文献   
57.
Summary.  The paper investigates a Bayesian hierarchical model for the analysis of categorical longitudinal data from a large social survey of immigrants to Australia. Data for each subject are observed on three separate occasions, or waves, of the survey. One of the features of the data set is that observations for some variables are missing for at least one wave. A model for the employment status of immigrants is developed by introducing, at the first stage of a hierarchical model, a multinomial model for the response and then subsequent terms are introduced to explain wave and subject effects. To estimate the model, we use the Gibbs sampler, which allows missing data for both the response and the explanatory variables to be imputed at each iteration of the algorithm, given some appropriate prior distributions. After accounting for significant covariate effects in the model, results show that the relative probability of remaining unemployed diminished with time following arrival in Australia.  相似文献   
58.
亦说傩文化     
本文就傩文化面临消亡的现实进行了分析 ,提出要拯救傩文化必须认真研究傩文化的价值 ,在不改变其巫术文化本质的基础上变革观念 ,一方面将傩文化朝着发展成地方戏曲剧种的方向引导 ,另一方面在民间保留傩文化的原生状态 ,并结合当地的旅游开发 ,使民间傩文化获得生存的经济基础和存在空间。  相似文献   
59.
Numerous responsible gambling (RG) strategies are promoted to assist consumers to “gamble responsibly”. However, consumer adoption of RG strategies, how this varies by gambler risk group, and whether usage is associated with non-problematic gambling are largely unknown. This study aimed to (1) determine how use of RG-related strategies differs amongst regular gamblers by gambler risk group; and (2) identify RG-related strategies whose usage predicts non-problem/low risk gambling. Regular Australian gamblers on high-risk products (N = 860), recruited through gambling venues and an online wagering operator, were surveyed about their use of RG strategies promoted on the website of their jurisdiction’s main RG agency. Knowledge of RG strategies was reasonably high amongst all gambler risk groups, but lower-risk groups were more likely to use RG strategies. A logistic regression correctly predicted 82.1 % of lower-risk gamblers and 77.2 % of higher-risk gamblers. Predictors of lower-risk gambling included: greater confidence in their understanding of RG; endorsement of lower gambling expenditure and frequency limits; fewer erroneous gambling beliefs; being less likely to gamble to win money, challenge their skills/beat the odds, or forget about worries and stresses; and being more likely to gamble for pleasure/entertainment. Lower-risk gamblers were more likely to set a money limit in advance of gambling and to balance their gambling with other activities. These findings contribute to understanding which strategies are favoured by different risk groups, and which are associated with safer levels of gambling. They can guide consumer information aimed at enhancing RG consumption and future research on RG consumption.  相似文献   
60.
Youth who accessed residential mental health treatment (RT) continue to experience challenges related to their emotional and behavioral disorders, and continue to struggle in several life domains. Some of these youth also become parents. The purpose for this report was to explore the perceptions of emerging adults who accessed RT as a child or youth, and who became parents, about their life domains. These participants (n = 12) reported continued challenges in several domains of living, and some reported that impending parenthood helped motivate them to improve their behaviors. Many reported continued reliance on previous social workers. Implications for practice are discussed.  相似文献   
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