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101.
Cecilia Enstr?m ?st 《Journal of population economics》2011,25(1):349-366
This study contributes to earlier research on homeownership and childbearing by taking into account the potential simultaneity
between these two life events. A dataset comprising three different Swedish birth cohorts suggests that these are events that
are indeed simultaneous. Different tests indicate that taking this simultaneity into account gives an overall statistically
significant improvement of the model fit. However, this result is most obvious for those young adults who faced increasing
problems on the housing market. The childbearing decision of these cohorts also seems to be more sensitive to changes in the
user cost. 相似文献
102.
Víctor Leiva Emilia Athayde Cecilia Azevedo Carolina Marchant 《Journal of applied statistics》2011,38(12):2819-2838
In this paper, we discuss a Birnbaum–Saunders distribution with an unknown shift parameter and apply it to wind energy modeling. We describe structural aspects of this distribution including properties, moments, mode and hazard and shape analyses. We also discuss estimation, goodness of fit and diagnostic methods for this distribution. A computational implementation in R language of the obtained results is provided. Finally, we apply such results to two unpublished real wind speed data from Chile, which allows us to show the characteristics of this statistical distribution and to model wind energy flux. 相似文献
103.
Cecilia Castaño Juan Martín Susana Vázquez José Luis Martínez 《Revue Internationale du Travail》2010,149(3):375-394
Les auteurs présentent les résultats d'une étude sur les caractéristiques personnelles et les qualifications d'hommes et de femmes assumant des fonctions de direction dans des entreprises espagnoles, leur situation professionnelle et leur point de vue sur l'égalité des sexes. Par rapport à leurs homologues masculins, les Espagnoles occupant des postes à responsabilités sont plus jeunes mais aussi qualifiées, voire plus, et elles ont moins d'enfants. Cependant, elles sont toujours confrontées à des obstacles qui empěchent la pleine exploitation d'un capital humain précieux. Malgré les mesures adoptées, plus de neuf postes de décision sur dix sont toujours occupés par des hommes. 相似文献
104.
Cecilia ALBERT Carlos GARCÍA‐SERRANO Virginia HERNANZ 《International labour review / International Labour Office》2010,149(3):315-341
Using data from the European Community Household Panel on six countries over the period 1995–2001, this article investigates the determinants of workers’ participation in training activities and the effects of training on wages. Based on measures of four distinct training types, the authors find that while OLS estimates yield significant wage returns to training for nearly all of the countries, fixed‐effects estimations show returns to be not statistically different from zero. This suggests that wage returns to training might be overstated due to failure to take adequate account of the correlation of training with confounding factors that affect wages. 相似文献
105.
Maria Cecilia Zsögön 《International migration (Geneva, Switzerland)》2023,61(6):330-340
This study seeks to contribute to the ongoing discussion on border dynamics, mobilities and migration. It focuses on the perceptions around these categories in the Triple Border between Argentina, Brazil and Paraguay, also known as tri-border area or triple frontier. This region is characterized by contrasting elements, including poverty, inequality and abundant natural resources, as well as a significant flow of people and goods, which may not always conform to legal frameworks. We combine the ethnographic approach with a broader regional perspective, necessary to contextualize the strategies implemented by local population in order to capitalize on the presence of the international frontiers. Finally, we discuss the limitations of public policies that fail to reach those living in the material and symbolic borders of society. 相似文献
106.
The work aims to contribute to the construction a local-scale poverty indicator, which contemplates multiple dimensions and allows for spatialization of socioeconomic data for a rural area in the Monte Desert. Given the evident and widely studied relationship between desertification processes and poverty, and aiming to contribute to integrating socioeconomic information to desertification assessment and monitoring, there arises the need for spatializing poverty by addressing its multiple dimensions, aspects poorly developed thus far. For this purpose, a data model was designed, which enabled integrating quantitative and qualitative information within the scope of geographic ?nformation systems (GIS) with multi-criteria decision analysis (MCDA), whereby it was possible to spatialize in detail the degree of poverty in the study area, laying the foundations for up-scaling the assessment to different scales. This work demonstrates the usefulness of GIS and MCDA as an instrument that enables progressing in new integral, interdisciplinary, multi-scale and multi-temporal approaches. 相似文献
107.
Laura S. Abrams Susanna R. Curry Marina Lalayants Laura Montero 《Journal of social service research》2017,43(1):37-51
In this exploratory study, focus group methodology was used to examine the potential influence of policy context on informing transition age youth (TAY) views of self-sufficiency upon aging out of foster care. The authors purposively selected two different policy contexts concerning extended foster care: New York City and Los Angeles County. Compared to New York City, Los Angeles has a relatively newer policy concerning extending the age of foster care benefits to 21. Four focus groups were conducted (2 in each location) with TAY recruited from community-based foster care agencies. The total number of participants (aged 18–22) was 21 (13 in Los Angeles and 8 in New York). In both policy contexts, participants defined self-sufficiency mainly as economic independence and planning for success. However, while Los Angeles TAY emphasized a need to “strive through it,” meaning persevere through self-reliance, New York TAY believed that self-sufficiency could be at least partially achieved by leaning on others, including social services. The findings help to illustrate how varying policy landscapes, including those that are in flux, can shape client understandings of core beliefs related to service utilization and client–provider interactions. Implications for child welfare policy and practice are proposed. 相似文献
108.
Using ranked set sampling, a viable BLUE estimator is obtained for estimating the mean of a Poisson distribution. Its properties, such as efficiency relative to the ranked set sample mean and to the maximum likelihood estimator, have been calculated for different sample sizes and values of the Poisson parameter. The estimator (termed the normal modified r.s.s. estimator is more efficient than both the ranked set sample mean and the MLE. It is recommended as a reasonable estimator of the Poisson mean ( λ) to be used in a ranked set sampling environment. 相似文献
109.
Cecilia Cheng 《International Journal of Group Tensions》2001,30(2):117-133
The present research aimed at (a) identifying different types of social relations with distinct extents of perceived variability, and (b) examining how perceived variability in social relations was related to psychological distress in a sample of 120 Chinese university students (Study 1) and 50 Chinese working adults (Study 2). Using questionnaires, three types of perceived social relations were identified in Study 1, namely supportive relations with more perceived support and less perceived conflict, conflictive relations with more perceived conflict and less perceived support, and variable relations with more perceived support and more perceived conflict. Using daily logs, three participant groups with distinct extents of perceived variability in daily relational experience were identified in Study 2, namely the low-variability, medium-variability, and high-variability groups. Moreover, results from both studies revealed that participants perceiving a high variability in their social relations experienced the highest level of psychological distress. 相似文献
110.
CL Thomas 《Journal of evidence-based social work》2012,9(4):351-368
Through this qualitative study the author explores the resiliency processes demonstrated by older African American Hurricane Katrina survivors who relocated in the aftermath of the storm and were consequently faced with difficult challenges. In-depth interviews were used to assess the multidimensional characteristics of resiliency that enabled these older adults to deal with adversity. These findings highlight distinct processes reflecting resiliency: (a) Trusting in a higher power, and the importance of (b) living in the present, (c) activating resources, (d) creating community, and (e) doing for others. The author concludes this study with suggestions on how these findings may inform social work practice with older adults. 相似文献