排序方式: 共有18条查询结果,搜索用时 15 毫秒
1.
A semiparametric two-component mixture model is considered, in which the distribution of one (primary) component is unknown and assumed symmetric. The distribution of the other component (admixture) is known. Generalized estimating equations are constructed for the estimation of the mixture proportion and the location parameter of the primary component. Asymptotic normality of the estimates is demonstrated and the lower bound for the asymptotic covariance matrix is obtained. An adaptive estimation technique is proposed to obtain the estimates with nearly optimal asymptotic variances. 相似文献
2.
Rostyslav Maiboroda Olena Sugakova Alexey Doronin 《Revue canadienne de statistique》2013,41(2):217-236
A finite mixture model is considered in which the mixing probabilities vary from observation to observation. A parametric model is assumed for one mixture component distribution, while the others are nonparametric nuisance parameters. Generalized estimating equations (GEE) are proposed for the semi‐parametric estimation. Asymptotic normality of the GEE estimates is demonstrated and the lower bound for their dispersion (asymptotic covariance) matrix is derived. An adaptive technique is developed to derive estimates with nearly optimal small dispersion. An application to the sociological analysis of voting results is discussed. The Canadian Journal of Statistics 41: 217–236; 2013 © 2013 Statistical Society of Canada 相似文献
3.
Malisauskaite Gintare Nizalova Olena Xanthopoulou Despoina 《Social indicators research》2022,162(3):1387-1412
Social Indicators Research - Unemployment impairs individuals’ well-being and health and there is some empirical evidence showing that macroeconomic conditions can moderate these effects.... 相似文献
4.
Andrey Kalugin Satoru Komatsu Shinji Kaneko Olena Slozko 《Transition Studies Review》2010,17(4):763-776
This paper analyzes citizens’ perception of past environmental damage and liability through the estimation of willingness
to pay for the implementation of decontamination and land rehabilitation of the damaged site. The paper takes the Russian
Federation as a case of country in transition and focuses on Kemerovo region as one of the most affected regions in the country.
The major analytical tool employed in the study is choice experiment, data for which was collected through a household survey.
Primary conclusion of the analysis is that citizens' willingness to financially support the implementation of environmental
quality improvement projects is not high though individuals in the studied area express high level of concern over the issue
in focus. 相似文献
5.
Olena Nikolayenko 《Social movement studies》2013,12(5):602-621
ABSTRACTFraming is vital to the capacity of social movements to enlist popular support and sustain contentious collective action. Using the case of a Peace March held in Moscow on 21 September 2014, the article examines how antiwar activists and their opponents framed a protest against Russia’s intervention in Ukraine. The study argues that different interpretations of patriotism underpinned divergent evaluations of the conflict and the construction of opposing identities. An analysis of Twitter posts on the eve of the march shows that peace activists positioned themselves as citizens with high moral standards and a healthy dose of patriotism, criticized the Russian government for military intervention in Ukraine, and called for a peaceful conflict resolution. In turn, opponents of the march considered themselves as real patriots and their adversaries as national traitors, denied Russia’s military presence in Ukraine, and fomented an attack on critics of Russian foreign policy. The study contributes to social movement literature by analyzing the framing of antiwar activism on a social media platform in the midst of a hybrid war, marked by a great deal of ambiguity and deception about causes, dynamics, and consequences of military operations by state and non-state actors. 相似文献
6.
Ioana Popovici Michael T. French Rosalie L. Pacula Johanna C. Maclean Olena Antonaccio 《Sociological inquiry》2014,84(1):131-162
Despite the numerous efforts to curb substance use and abuse through legislation and interventions, marijuana consumption continues to be a major social problem, particularly among young adults in the United States. We provide new information on the relationship between cannabis use and antisocial behavior by analyzing a sample of young adults (aged 18–20) from the National Epidemiological Survey of Alcohol and Related Conditions (NESARC). We examine a broad set of cannabis use patterns and multiple dimensions of antisocial behaviors and test the empirical importance of two prominent criminological theories—general strain and social bond—in explaining associations between cannabis use and antisocial behavior. We include important socioeconomic, demographic, health and health behaviors, and contextual information in all regressions to control for confounding factors. Our results imply that cannabis use is positively and significantly related to antisocial behavior among young adults, and general strain and social bond theories cannot fully explain our findings. As expected, the estimated association with antisocial behavior is stronger for more frequent cannabis users. 相似文献
7.
Olena Yatsunska 《Canadian Slavonic papers》2013,55(3-4):333-360
This paper discusses the phenomenon of inculcating myths into the electorate’s consciousness and analyzes the 2004 presidential campaign in Ukraine in order to conclude whether the classification of electoral myths proposed by American political scientists D. Nimmo and J. Combs, and broadened by K. S. Jonson-Cartee and G. A. Copeland, can be applied for studying political mythology in post-Soviet countries. The analysis of television political advertisements on the main state Ukrainian channel, which were broadcast during free TV time provided by the Central Election Commission, makes it possible to conclude that some of the myths described by American scientists were used in Ukraine in their original version, others were adapted to Ukrainian realities, and only elements of some were found in candidates’ ads. Close study of TV political commercials shows that some of the candidates (mainly representatives of financial-industrial and business circles) based their campaigns on a single myth, while the majority preferred to influence voters using a “myth mosaic.” 相似文献
8.
In this article the authors examine dating and mate selection preferences and experiences from the perspective of young men and women from immigrant families. Through in-depth personal interviews with 35 second generation youth from diverse cultures, the authors explored: (1) parental influences and expectations of their children's mate choices; (2) the roles of gender, birth order, and length of residency in the United States in expectations for mate selection; and (3) immigrant youth's preferences for marriage partners. The findings showed that immigrant parents hold mostly endogamous views. Youth's dating experiences are influenced by their gender, their birth order, and their family's acculturation. Second generation immigrants generally seek bicultural partners like themselves. Narratives from the participants provide insight into the attitudes that guide mate selection of these young adults from immigrant families. 相似文献
9.
Through in-depth interviews with 40 retired women diverse in age, marital status, ethnicity, income, and occupational background, we explored how women experience retirement. Following our analysis, we identified five retirement pathways: family-focused, service-focused, recreation-focused, employment-focused, and disenchanted retirements. These pathways represent dominant activities and interests at the time the women were interviewed and challenge the cultural portrayal of retirement as an unvarying life stage. The participants' narratives provide a glimpse into the pathways retired women create by revealing the complexity of later life and the changing nature of retirement. 相似文献
10.
In a North‐South model with endogenous foreign direct investment (FDI), we examine the impact of Southern intellectual property rights (IPR) protection on the mode and industrial composition of international technology transfer. A novel feature of the model is that, due to technological reasons, industries differ with respect to their susceptibility to imitation. In equilibrium, licensing occurs in industries where the risk of imitation is low and FDI where it is of intermediate magnitude. Stronger IPRs in the South (1) alter the industrial composition of multinational activity toward licensing at the expense of FDI; (2) reduce local imitation; and (3) increase licensing and, to a lesser extent, FDI. (JEL F10, O34) 相似文献