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91.
92.
Engendering migrant networks: The case of Mexican migration 总被引:1,自引:0,他引:1
This article compares the impact of family migrant and destination-specific networks on international and internal migration. We find that migrant networks are more important for international moves than for internal moves and that female networks are more important than male networks for moves within Mexico. For moves to the United States, male migrant networks are more important for prospective male migrants than for female migrants, and female migrant networks lower the odds of male migration, but significantly increase female migration. We suggest that distinguishing the gender composition and destination content of migrant networks deepens our understanding of how cumulative causation affects patterns of Mexican migration. 相似文献
93.
Barbara Entwisle Ronald R. Rindfuss David K. Guilkey Aphichat Chamratrithirong Sara R. Curran Yothin Sawangdee 《Demography》1996,33(1):1-11
This paper blends quantitative with qualitative data in an investigation of community and contraceptive choice in Nang Rong, Thailand. Specifically, it develops an explanation of 1) method dominance within villages, coupled with 2) marked differences between villages in the popularity of particular methods. The quantitative analysis demonstrates the importance of village location and placement of family planning services for patterns of contraceptive choice. The qualitative data provide a complementary perspective, emphasizing the importance of social as well as physical space and giving particular attention to the structure of conversational networks. 相似文献
94.
This paper studies how increasing migration changes the character of migrant streams in sending communities. Cumulative causation
theory posits that past migration patterns determine future flows, as prior migrants provide resources, influence, or normative
pressures that make individuals more likely to migrate. The theory implies exponentially increasing migration flows that are
decreasingly selective. Recent research identifies heterogeneity in the cumulative patterns and selectivity of migration in
communities. We propose that this heterogeneity may be explained by individuals’ differential access to previously accumulated
migration experience. Multi-level, longitudinal data from 22 rural Thai communities allow us to measure the distribution of
past experience as a proxy for its accessibility to community members. We find that migration becomes a less-selective process
as migration experience accumulates, and migrants become increasingly diverse in socio-demographic characteristics. Yet, selectivity
within migrant streams persists if migration experience is not uniformly distributed among, and hence not equally accessible
to, all community members. The results confirm that the accumulation and distribution of prior migrants’ experiences distinctly
shape future migration flows, and may lead to diverging cumulative patterns in communities over time. 相似文献
95.
Report
Twenty-third conference and general assembly of the European Society for Population Economics, London, 2008 相似文献96.
我国人口态势与消费模式对碳排放的影响分析 总被引:20,自引:0,他引:20
本文应用STIRPAT扩展模型,考察近30年来我国人口规模、人口结构、居民消费及技术进步因素对碳排放的影响。研究发现,居民消费与人口结构变化对我国碳排放的影响已超过人口规模的单一影响力。居民消费水平提高与碳排放增长高度相关,居民消费模式变化正在成为我国碳排放的新的增长点;人口结构因素中,人口城镇化率的提高通过对化石能源消费、水泥制造及土地利用变化等的影响导致碳排放增长;人口年龄结构变化对生产的影响大于对消费的影响,其对碳排放影响的主要途径是生产领域劳动力的丰富供应;家庭户规模减小导致人均消费支出的增加及总户数消费规模的扩张,以家庭户为分析单位考察其对碳排放的影响具有较高的解释力。针对分析结果,探讨了未来我国低碳社会发展的相关应对之策。 相似文献
97.
Mean scaling is a common assumption in the estimation of aggregate consumer elasticities—in particular, expenditure elasticities, but also (implicitly) compensated price elasticities. The assumption is that each household’s income changes in the same proportion as aggregate income. If correct, that implies no bias in the use of aggregate data for estimation of expenditure elasticities. If incorrect, though, there may be substantial bias, especially if there is a high degree of inequality in the underlying income distribution, and regardless of whether one uses micro or aggregate data. We explore this issue, both theoretically and illustratively, using realistic (empirically derived) elasticity estimates coupled with relatively high and low degrees of income inequality. 相似文献
98.
MA Barwick HM Schachter LM Bennett J McGowan M Ly A Wilson K Bennett DH Buchanan D Fergusson I Manion 《Journal of evidence-based social work》2012,9(4):369-395
The availability of knowledge translation strategies that have been empirically studied and proven useful is a critical prerequisite to narrowing the research-to-practice gap in child and youth mental health. Through this review the authors sought to determine the current state of scientific knowledge of the effectiveness of knowledge translation approaches in child and youth mental health by conducting a systematic review of the research evidence. The findings and quality of the 12 included studies are discussed. Future work of high methodological quality that explores a broader range of knowledge translation strategies and practitioners to which they are applied and that also attends to implementation process is recommended. 相似文献
99.
While many studies have explored the correlates and outcomes associated with pornography use, the measurement of such use has relied heavily on self-definitions of pornography from research participants, and little is known regarding how individuals define pornography for themselves. Using a diverse sample of 2,089 individuals sampled from the online MTurk Web site, participants were asked to rate whether they felt 20 different examples of sexual media were pornography. Differences by gender, religious attendance, marital status, and pornography use patterns were explored. Results suggested significant variation across the sample in how specific examples of sexual media were perceived. In addition, response profiles significantly differed by gender, religious attendance, marital status, and use of pornography. Implications for the measurement of pornography are discussed. 相似文献
100.
Dean S. Dorn 《The American Sociologist》2014,45(2-3):121-133
Founded in 1929 by Emory S. Bogardus, the PSA is the oldest regional sociological association. During its 85-year history, the association has steadily increased in membership, participation, registration and size of its annual meeting, complexity of organizational structure, and has moved from a gemeinshaft to a gesellshaft culture and to a more inclusive and democratic association. Much of this change has mirrored the growth of sociology in general and of higher educational institutions in U.S. and has been made possible essentially through the work and effort of volunteers. 相似文献