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31.
Amadou Sawadogo Simplice Dossou-Gbété Dominique Lafon 《Journal of applied statistics》2017,44(14):2621-2644
This study is concerned with the extension of the Mallows–Bradley–Terry ranking model for one block comparison consisting of all the items of interest to situations which allow an expression of no preference. We consider a modification of the Mallows–Bradley–Terry ranking model by introducing an additional parameter, called an index of discrimination, in the model. This permits ties in the model. The maximum likelihood estimates of the parameters are found using a Maximization–Minimization algorithm: the evaluation of the mathematical expectations involved in the log-likelihood equation is obtained by generating samples of Monte Carlo Markov chain from the stationary distribution. In addition, a simulation study for asymptotic properties assessment has been made. The proposed method is applied to analyze data election. 相似文献
32.
Josef Bernard Hana Daňková Petr Vašát 《International Journal of Social Research Methodology》2018,21(5):603-618
Respondent-driven sampling (RDS) is a survey method for hidden populations and, as such, it offers a suitable approach for sampling the homeless. Surprisingly, the practical use of RDS in surveying homeless populations has only sporadically been described in the professional literature so far, and the specifics of using RDS for sampling this group have not been reflected in depth. The goal of the article is to investigate how three specific concerns, namely the transitional character of social ties among the homeless, problems with locating the interview site, and the irregular use of coupons, affect the sampling process. The findings of the article are based on experience using RDS for creating two independent samples of homeless persons in two Czech cities. Worries of poor referral effectiveness were disproved, but poor validity of the network size indicator, tendency towards irregular use of coupons, and negative effects arising from selecting service centres for the homeless as survey sites were confirmed. 相似文献
33.
Benoǐt Pierre FREYENS 《Revue Internationale du Travail》2010,149(3):313-344
Les coǔts de licenciement, ainsi que l'appareil législatif et réglementaire régissant les relations professionnelles, sont souvent blǎmés pour les mauvaises performances du marché du travail. Toutefois, les études théoriques et économétriques sur l'impact économique de ces coǔts ne sont pas concluantes. Par le passé, on s'est surtout intéressé aux hypothèses fonctionnelles et à l'incidence des divers paramètres, mais on a très peu analysé la qualité et la précision des méthodes de mesure de ces coǔts, dont dépendent pourtant la plupart des résultats en cette matière. L'auteur examine les méthodes de mesure directes et indirectes couramment utilisées en ce domaine, et soutient qu'il est essentiel d'employer les méthodes quantitatives directes, rarement utilisées par les chercheurs, pour compléter les méthodes de mesure indirectes auxquelles on a généralement recours. Ce point est illustré par les résultats d'un sondage expérimental récemment mené en Australie. 相似文献
34.
Appropriation et régulation des innovations biotechnologiques : pour une comparaison transatlantique
This article analyzes two biotechnological innovations — the tests of tracking the genetic risks of diseases and the transgenic organisms — and explores the controversies concerning the status of these new knowledges and the ways there are applied. It shows how these innovations were received in a different way in the United States and in France. The market regulation, which is strong in the USA is problematic in France. It is marginalized by the professional regulation in the case of the genetic tests. And in the other case it is limited by the control of the state, which constitutes some resources for the mobilization of the civil society against transgenic organisms. Finally the comparison consolidates the hypothesis of the emergence of a new regime of production of the knowledge, specified by the tension between a “market” regulation and a “consumerist-civic” regulation. 相似文献
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36.
Sara Cantillon Bertrand Maître Dorothy Watson 《Journal of Family and Economic Issues》2016,37(3):461-473
A core assumption in conventional poverty measurement is that household members share equally in total household income. This paper focuses on heterosexual couple households and asks to what extent male and female partners may derive different benefits from total couple resources. Drawing on the 2010 Irish Survey on Income and Living Conditions module, we examined the couple financial regime, by which we mean which partners received income, whether the income was from work, the extent to which income was contributed for the benefit of other household members and responsibility for decision-making. We explored whether the couple’s financial regime was associated with different living standard outcomes for the partners. Among the findings was the beneficial impact of having income from work and of shared responsibility for decision-making. The paper concludes by pointing to some implications for our understanding of power and bargaining in couples. 相似文献
37.
Lenka Vochocová Václav Štětka Jaromír Mazák 《Information, Communication & Society》2016,19(10):1321-1339
The article aims to contribute to the still relatively unexplored area of the relationship between gender and online political participation. Using two complementary methods – a representative, post-election survey of the adult Czech population and a content analysis of communication on the selected Czech political parties’ Facebook profiles during the campaign for the 2013 Parliamentary Elections – we attempt to challenge some established assumptions regarding the allegedly equalizing effect of the Internet and social media on participatory behaviour of men and women. While survey data discovered subtle yet statistically significant differences between men and women in some online expressive activities on Facebook, mainly commenting on other users’ statuses, content analysis further revealed that there are not only notable gender gaps among the Facebook users who commented on the campaign, but also differences in the tone of communication produced by the respective gender groups, with men posting more negative comments addressed to parties as well as to other Facebook users. We suggest that these results question the prevailing perception about the narrowing of the ‘gender gap’ in the online environment and call for a more nuanced methodological approach to different forms of online political expression. 相似文献
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39.
Following an unprecedented boom, since 2008 Ireland has experienced a severe economic and labour market crisis. Considerable debate persists as to where the heaviest burden of the recession has fallen. Conventional measures of relative income poverty and inequality have a limited capacity to capture the impact of the recession in terms of social exclusion. This is exacerbated by a dramatic increase in the scale of debt problems including significant negative equity issues. Our analysis provides no evidence for individualization or class polarization of risk. Instead, while economic stress level is highly stratified in class terms in both boom and bust periods, the changing impact of class is highly contingent on life course stage. An income based classification showed that the affluent income class saw its advantage relative to the income poor class decline at the earliest stage of the life-course and remain stable across the rest of the life course. At the other end of the hierarchy, the income poor class experienced a relative improvement in their situation in the earlier life-course phase and no significant change at the later stages. For the remaining income classes, life-course stage was even more important. At the earliest stage the precarious class experienced some improvement in its situation while the outcomes for the middle classes remain unchanged. In the mid-life course the precarious and lower middle classes experienced disproportionate increases in their stress levels while at the later stage it is the combined middle classes that lost out. Additional effects over time relating to social class are restricted to the deteriorating situation of the petit bourgeoisie at the middle stage of the life-course. The pattern is clearly a good deal more complex than that suggested by conventional notions of ‘middle class squeeze’ and points to the distinctive challenges relating to welfare and taxation policy faced by governments in the Great Recession. 相似文献
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