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131.
The manufacturing complexity of many high‐tech products results in a substantial variation in the quality of the units produced. After manufacturing, the units are classified into vertically differentiated products. These products are typically obtained in uncontrollable fractions, leading to mismatches between their demand and supply. We focus on product stockouts due to the supply–demand mismatches. Existing literature suggests that when faced with product stockouts, firms should satisfy all unmet demand of a low‐end product by downgrading excess units of a high‐end product (downward substitution). However, this policy may be suboptimal if it is likely that low‐end customers will substitute with a higher quality product and pay the higher price (upward substitution). In this study, we investigate whether and how much downward substitution firms should perform. We also investigate whether and how much low‐end inventory firms should withhold to strategically divert some low‐end demand to the high‐end product. We first establish the existence of regions of co‐production technology and willingness of customers to substitute upward where firms adopt different substitution/withholding strategies. Then, we develop a managerial framework to determine the optimal selling strategy during the life cycle of technology products as profit margins shrink, manufacturing technology improves, and more capacity becomes available. Consistent trends exist for exogenous and endogenous prices. 相似文献
132.
Sandra Waddock 《International Journal of Value-Based Management》2001,14(3):237-246
This paper explores values that underpin corporate citizenship embedded in operating practices as they affect stakeholders. Fundamentally, the paper argues that corporate citizenship is embedded integrally in the day-to-day operating practices that companies develop to relate to their important stakeholders. This systems perspective incorporates not only the objective but also subjective and intersubjective aspects of human civilization and arguably provides a systems basis for thinking about the roles and responsibilities of the corporation in society. This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
133.
Butler SS 《Journal of gerontological social work》2006,47(1-2):45-70
This article reports on a mixed-method assessment of the Senior Companion Program (SCP), a federal program which provides volunteer opportunities with small stipends to low-income older adults, 60 years of age and older, who provide companionship and offer assistance to frail community elders. Through four standardized scales and open-ended questions regarding the impact of the SCP in their lives, 34 Senior Companion volunteers and 32 of their clients were interviewed. Informants reported relatively large social networks and low levels of depression and loneliness. Thematic analysis of the qualitative data revealed the benefits of the program for both volunteers and their clients. Themes emerging from the rich narratives included: companionship, independence, reduced anxiety, giving, and rewards. The article concludes with a suggested brief evaluation instrument that directors of SCP programs, and other similar programs, can use to collect data on the impact of their program--something that is required, but often difficult to do. 相似文献
134.
Preliminary experiences of the states in implementing the National Family Caregiver Support Program: a 50-state study 总被引:1,自引:1,他引:0
Despite increased attention to policy choices to support family and informal caregivers, relatively little is known about states' experiences in providing caregiver support services. This article reports on the first nationwide survey of all 50 states and the District of Columbia in providing caregiver services since the passage of the National Family Caregiver Support Program. State program administrators reported that their program differs from other home and community-based services because of the explicit focus on the family or informal caregiver. Results suggest that despite an increasing availability of caregiver supports in all 50 states, there is also a great unevenness in services and service options for family caregivers across the states and within states. 相似文献
135.
The purpose of this study was to evaluate the feasibility of measuring stress hormones and immunity following rape. The long-term goal is to evaluate the predictive value of stress-immune-inflammatory responses to later health outcomes. Fifteen women reporting rape were compared with 16 control participants. Serum stress hormones, proinflammatory cytokines, acute phase proteins, functional assays, and lymphocyte subsets were measured in blood samples. Women reporting rape had higher cytotoxic cells, lower B lymphocyte counts, higher proinflammatory biomarkers, and decreased lymphocyte proliferation compared to the control group. This finding suggests that rape produces activation of the innate immunity and suppression of some aspects of adaptive immunity. If these immune changes persist, they may contribute to the pathophysiology of long-term health sequelae by provoking chronic inflammation and decreased cellular immunocompetence. 相似文献
136.
Michael S. Finke Sandra J. Huston Deanna L. Sharpe 《Journal of Family and Economic Issues》2006,27(3):542-561
Nationally representative data are used to compare the magnitude, composition, and distribution of accumulated wealth of early boomers (born between 1946 and 1957) and pre-boomers (born between 1934 and 1945) at the same life cycle stage (ages 44–45, occurring in 1989 for pre-boomers and in 2001 for early boomers). Early boomers have accumulated greater mean wealth than pre-boomers at the same age, however median wealth did not change and net worth among lower-middle wealth groups declined. Multivariate analysis identified demographic change among those in the wealth distribution tails that indicates the increasing importance of education and race as predictors of wealth.
相似文献
Michael S. FinkeEmail: |
137.
Michael C. Frank Elika Bergelson Christina Bergmann Alejandrina Cristia Caroline Floccia Judit Gervain J. Kiley Hamlin Erin E. Hannon Melissa Kline Claartje Levelt Casey Lew‐Williams Thierry Nazzi Robin Panneton Hugh Rabagliati Melanie Soderstrom Jessica Sullivan Sandra Waxman Daniel Yurovsky 《Infancy》2017,22(4):421-435
The ideal of scientific progress is that we accumulate measurements and integrate these into theory, but recent discussion of replicability issues has cast doubt on whether psychological research conforms to this model. Developmental research—especially with infant participants—also has discipline‐specific replicability challenges, including small samples and limited measurement methods. Inspired by collaborative replication efforts in cognitive and social psychology, we describe a proposal for assessing and promoting replicability in infancy research: large‐scale, multi‐laboratory replication efforts aiming for a more precise understanding of key developmental phenomena. The ManyBabies project, our instantiation of this proposal, will not only help us estimate how robust and replicable these phenomena are, but also gain new theoretical insights into how they vary across ages, linguistic communities, and measurement methods. This project has the potential for a variety of positive outcomes, including less‐biased estimates of theoretically important effects, estimates of variability that can be used for later study planning, and a series of best‐practices blueprints for future infancy research. 相似文献
138.
Sandra F. Joireman 《International migration (Geneva, Switzerland)》2017,55(5):122-135
Forced migration has become commonplace in the international political landscape. In 2015, 60 million people were displaced by violence, more than ever before recorded (UNHCR, 2015). While we know that violence leads to displacement, we know little about return migration after conflict – who comes back and where they settle. This article seeks to engage and supplement the literature on return migration after conflict, advocating for a broader understanding of the security choices made by displaced people. Emphasized here is the importance of a local understanding of safety and the role played by enclave communities in providing a secure context in which people can enjoy the society of their co‐ethnics. 相似文献
139.
Abstract Conventional wisdom says that social capital is more common among families in rural communities than urban communities. Using data from the 1988 wave of the Panel Study of Income Dynamics, we compare the prevalence, type, and extent of social exchanges in these places. Results indicate that families living in rural areas are more likely to exchange exclusively with kin than are families living in urban areas. In particular, families living in rural areas are more likely to receive money help from kin than families in urban areas. Results on patterns of giving are more complex, with rural origin families with younger household heads more likely to give support to kin, and rural origin families with older heads less likely to provide such support, as compared to otherwise similar families of urban origin. Finally, only modest urban-rural differences in amounts exchanged (in dollars) are found among otherwise similar families. Overall, some of the urban-rural differences in patterns of exchange are explained by different family characteristics; however, key urban-rural differences remain, probably reflecting differences in norms and the availability of institutional support services in different areas. 相似文献
140.
Amidst the destruction of AIDS, a glimmer of hope, not necessarily for a cure but for psychological well-being, exists among many persons afflicted with the virus. A large number of HIV-infected individuals have sought and attained emotional well-being despite carrying the virus and its associated stigmas. In fact, emotional growth may not necessarily be hindered, but rather enhanced by undergoing a trauma such as an HIV/AIDS diagnosis. Some HIV-positive individuals have stated that through the process of enduring the hardships of AIDS, such as revealing their condition to others and coping with the physical repercussions of the virus, they have experienced transcendence and growth. By learning from the experiences disclosed by some of those afflicted with the virus, we, as a society, can infuse value, meaning, and growth into our own lives. 相似文献