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81.
The educational attainment of young women: Role model effects of female high school faculty 总被引:1,自引:0,他引:1
To test for the presence of role model effects of female high school faculty and professional staff on young women in high school, we estimate several models of educational attainment for young women using data from the National Longitudinal Survey of Youth. Exposure to female high school faculty and professional staff has a positive impact on the educational attainment of young women. This result, combined with our finding that female faculty and professional staff have no significant impact on the educational attainment of young men, supports a female role model hypothesis. 相似文献
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83.
A specific form of intra-organizational networks – a community of practice (COP) – is increasingly regarded as an important structure within organizations. This network structure is well suited for the development and sharing of knowledge and practices across divisions. Our research explores the most salient reasons for the success and failure of such networks. An investigation of 57 COPs from major European and US companies led to the discovery of 10 “commandments” that lead to the successful development and sharing of best practices. It also identified five main reasons for failure. 相似文献
84.
Neil Gilbert 《International social security review》1992,45(3):5-17
In recent years policies for social protection initially designed for purposes of income maintenance have come to place increasing emphasis on the reintegration of welfare beneficiaries into the labour force. This paper describes a range of initiatives in public assistance, unemployment insurance, disability insurance, and public pensions, which link social benefits with incentives to work. These measures are seen as part of a broader pattern of change that seeks to balance social rights and obligations. The reasons for this change are examined in the light of demographic trends, ideological shifts, and unanticipated consequences of past social welfare policies. An analysis of the uncertainties surrounding incentive-oriented social policies suggests that these measures bear careful monitoring. 相似文献
85.
Lucia Han 《中国妇女(英文版)》2008,(6):68-68
This month,each writer details an impressive place,or scenic area, encountered while living abroad.身处异乡,喜欢去的一个地方……It was a sunny morning when I headed for Pisa.I knew I would definitely visit Torre pendente di Pisa(the Leaning Tower of Pisa).To me,it is the soul of the city,in which lies its glory and vigor.Compared with the surroundings,where low buildings stand 相似文献
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87.
Population Research and Policy Review - Disparities in health insurance coverage and access to care are well documented between sexual minority adults and their heterosexual peers. Much less... 相似文献
88.
Gilbert R. Parra Lisa Jobe‐Shields Katherine M. Kitzmann Aaron M. Luebbe James P. Olsen Genevieve L. Davis 《Journal of research on adolescence》2011,21(2):408-419
The purpose of the present study was to examine whether adolescent perceptions of mothers' and fathers' contributions to interparental discord changed from early to middle adolescence and if the changes were related to adolescent negative mood. Data were drawn from the National Longitudinal Survey of Youth 1997. Adolescents who were in 7th grade at the Wave 1 assessment and lived with both biological parents during Waves 1–4 were included in this research (n=812; 55% boys; 69% White). Findings indicated that adolescents' perceptions of their mothers' and their fathers' contributions to interparental discord increased at similar rates from early to middle adolescence. The largest increases in adolescent perceptions of mothers' and fathers' contributions to interparental discord from 7th to 9th grades were associated with the largest increases in adolescent negative mood from 7th to 10th grades. Girls' perceptions of their fathers' contributions to interparental relationship problems increased at a steeper rate compared with boys. Findings are discussed in the context of the sensitization hypothesis. 相似文献
89.
Elizabeth Meins Charles Fernyhough Bronia Arnott Lucia Vittorini Michelle Turner Susan R. Leekam Kathryn Parkinson 《Infancy》2011,16(6):587-610
Relations between infant–mother attachment security at 15 months and infants’ (N = 206) joint attention behaviors (a) with an experimenter at 8 and 15 months, and (b) with their mothers at 15 months were investigated. No concurrent or longitudinal relations were observed between attachment security and infants’ tendency to respond to an experimenter’s bids for joint attention. Higher levels of initiating joint attention with an experimenter at 15 months were associated with insecure‐avoidant attachment. Insecure‐avoidant attachment was also associated with lower scores for initiating high‐level joint attention behaviors (pointing, showing, and giving) with the mother at age 15 months. The fact that security‐related differences in initiating joint attention with an experimenter were observed only once the attachment relationship was consolidated suggests that (a) attachment security may influence infants’ active engagement with new social partners, and (b) insecure‐avoidant infants may compensate for reduced social contact with the caregiver by initiating more interaction with other social partners. 相似文献
90.
The objective of this study was to extend existing understanding of supplier encroachment to contexts in which there is information asymmetry and the supplier can use nonlinear pricing. Prior research has shown that supplier encroachment can mitigate double marginalization and thus benefit both the supplier and the reseller. However, under symmetric information, this benefit disappears if the supplier can use nonlinear pricing. In our model, the reseller observes the true market size while the supplier knows only the prior distribution, that is, a seemingly ideal setting for implementing mechanism design through nonlinear pricing. We first show that, because encroachment capability enables the supplier to make an ex post output decision, it fundamentally alters the structure of the optimal nonlinear pricing policy. In addition to the usual downward distortion effect, where the reseller may purchase less than the efficient quantity, we also have the possibility for upward distortion. Thus, under asymmetric information and nonlinear pricing, supplier encroachment has two opposing effects. On one hand, the ability to shift sales to the direct channel allows the supplier to reduce information rents with less sacrifice of efficiency; but on the other hand, by introducing the possibility of her own opportunistic behavior, it can result in upward distortion of the quantities sold through the reselling channel, which is a new source of inefficiency. Depending upon the relative efficiency of the reselling channel and the demand distribution, either of these two effects may dominate and the supplier's ability to encroach may either benefit or hurt both the supplier and the reseller. 相似文献