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A consistent, Markovian family of conditional densities is constructed which is not compatible with any random field. 相似文献
23.
Exercising Property Rights to Pollute: Do Cancer Risks and Politics Affect Plant Emission Reductions? 总被引:1,自引:0,他引:1
This paper examines whether firms' decisions about reductions in toxic emissions depend on the magnitude of dangers arising from their pollution and on who bears pollutant risks. Controlling for the quantity of air toxics released in 1988, this article finds that plants whose emissions generated higher numbers of expected cancer cases did reduce their emissions more between 1988 and 1991. The nature of the community bearing the pollution risk also affected firm decisions. The higher the voter turnout in the area, a proxy for residents' likelihood of collective action, the greater the reductions in a plant's release of air carcinogens. 相似文献
24.
Hayley A. Hamilton 《Sociological focus》2013,46(3):240-258
Abstract This study examines differences in the level of independence in decision-making experienced by three generations of immigrants and the moderating effects of age, sex, and ethnicity. Data for this study were obtained from the National Longitudinal Study of Adolescent Health. Results indicate generally less independence in decision-making among first-generation immigrants relative to their higher-generation counterparts; however, the relationship varies significantly with ethnicity and age. Among Latinos, adolescents' level of independence increases across successive immigrant generations to a much greater degree than among other ethnic groups. Age further contributes to this interaction, with evidence of greater increases in independence with age among first-generation immigrant Latinos. Findings demonstrate that cultural traditions with regard to parenting and adolescent socialization are important not only within ethnic groups but also within immigrant generations. 相似文献
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N. A. Hamilton C. A. Nelson N. Stevens Heather Kitzman 《Social indicators research》2007,82(1):147-163
Although many studies have linked sleep problems with symptoms of psychopathology, fewer studies have examined the relationship
between sleep and dimensions of psychological health as well as depression. To fill this gap, 502 community residents were
surveyed about sleep habits, symptoms of anxiety and depression, as well as Ryff’s six dimensions of psychological well-being.
Using cut-offs suggested by epidemiological research, participants were classified as either optimal sleepers (those reporting
an average of 6 hours or less than 8.5 hours per night) or suboptimal sleepers (those sleeping less than 6 hours or 8.5 or
more hours per night). After controlling for demographic differences (i.e., sex, age, education, ethnicity, employment status,
marital status, presence of children), the Multivariate Analysis of Covariance (MANCOVA) suggested that optimal sleepers reported
fewer symptoms of depression, and anxiety, and reported higher levels of environmental mastery, personal growth, positive
relations with others, purpose in life, and self acceptance. Differences between optimal sleepers and non-optimal sleepers
in depressive symptoms, positive relations with others, purpose in life and self-acceptance remained significant when people
with mild to moderate symptoms of depression were eliminated from the data set. These results are consistent with a theoretical
framework that defines sleep as a resource related to stress management and self-regulation. 相似文献
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Patricia Hamilton Crystal Gaudet Jennifer Chisholm Jaspreet Kaur Susan Abercromby 《Journal of youth studies》2018,21(9):1182-1197
This article discusses how young mothers in London, a mid-size city in Canada, utilize a drop-in centre service while attending an alternative programme to acquire secondary school credits. The central arguments made here are informed by key concepts in the field of girlhood studies. With its attention to the interconnections between gender, age, and generation as well as other aspects of social identity, girlhood studies provides crucial insight into the lived experiences of young mothers who straddle the space between girlhood and adulthood. We interpret the experiences of the young mothers who participated in this study in light of shifting meanings and expectations of girls and girlhood in the neoliberal era. Drawing on the concept of the ideal neoliberal girl subject embodied in the ‘can do’ and ‘at risk’ girl, this paper highlights the tensions in accessing a drop-in centre, which functions as both a site of security and surveillance, for a group of young mothers receiving social services. The findings revealed how girls who are mothers struggle to live in the present to assert a legitimate maternal identity even as they are prepared for the future through neoliberal public policies and other disciplinary practices. 相似文献
30.
Demographic change and shifting views about marine resources and the coastal environment in Downeast Maine 总被引:1,自引:0,他引:1
Connections to the sea often define the character of coastal towns. However, as migrants arrive and economic diversification occurs, views about the use of marine resources and the ocean environment can change. Using survey data from Maine, we examined whether shifting demographics affect public perceptions of marine resource uses and coastal environmental concerns. We tested resource use and environmental items against a common set of demographic, background, and place-related variables. Results indicate that the level of education and the county of residence predict Mainers?? views about different marine resource uses and ocean-related environmental issues. Political party affiliation strongly influences environmental concern but not views about the use of marine resources. Migration history, on the other hand, has little effect. Understanding community contexts as well as individual background and ideological orientations will be critical as managers attempt to balance alternative uses of marine resources and resolve coastal environmental problems. 相似文献