Separation and Divorce: Effect on Family Structures and Life Conditions

The aim of this paper is to supply some basic data on separations and divorces in Italy in order to evaluate their impact on the family system both from a quantitative and qualitative point of view. The focus is on the role played by marital disruption in the observed recent increase in the number of ‘new families’ and its effects on the life conditions and economic well‐being of the women and children involved.     

Nonparametric change point estimation for survival distributions with a partially constant hazard rate

Lifetime Data Analysis - We present a new method for estimating a change point in the hazard function of a survival distribution assuming a constant hazard rate after the change point and a...     

RCEV heteroscedasticity test based on the studentized residuals

All the usual heteroscedasticity tests in the statistics and econometrics literature are based on raw residuals. Although the raw residuals are heteroscedastic, studentized residuals can still be homoscedastic. In this study, the version of Çelik’s RCEV heteroscedasticity test which is based on studentized residuals is introduced.     

Correcting double outward box distributed residuals by WCEV

Double outward box distributed residuals are another type of non monotonic heteroscedasticity that severely violates homoscedasticity assumption. In this study Çelik's (2015 Çelik, R. (2015). Stabilizing heteroscedasticity for butterfly-distributed residuals by the weighting absolute centered external variable. J. Appl. Stat. 42(4):705–721.[Taylor &; Francis Online], [Web of Science ®] , [Google Scholar]) WCEV is applied to double outward box distributed residuals to provide homoscedasticity for simple and multiple regression models.     

Does director capital influence board turnover after an incident of fraud? Evidence from Italian listed companies

Studies in U.S. have found that that director capital influences turnover within the board after an incident of fraud. We analyse whether there is a relationship between the probability of non-executive director turnover in Italian listed firms in which fraud has occurred and each director’s level of: (1) general business knowledge, (2) industry knowledge, and (3) relational capital. Our results suggest that non-executive director departure can be explained as a result of decisions by companies to clean their house of directors with lower expertise, industry knowledge and relational capital. These findings indicate that firms encourage the departure of these non-executive directors to signal to their stakeholders that they want to repair legitimacy and want to enhance the monitoring and resource provider tasks of the board. Indeed, in Italy, director turnover is more marked when the fraud visibility is greater. Furthermore, our study findings indicate that the cleaning house strategy is not influenced by the ownership structure and identity.     

Top incomes and the gender divide

In the recent research on top incomes, there has been little discussion of gender. A great deal is known about gender differentials in earnings, but how far does this carry over to total incomes? This paper investigates the gender divide at the top of the income distribution using tax record data for eight countries with individual taxation. It shows that women are strongly under-represented at the top of the distribution. Although the presence of women at the top has increased over time, the rise becomes smaller at the very top. The income gradient by gender has become more marked. The paper also shows that income composition differs by gender and exhibits significant changes over time, underlining the fact that it is not sufficient to look only at earned income.     

What’s left unsaid? In-group solidarity and ethnic and racial differences in opposition to immigration in the United States

Do racial and ethnic characteristics of non-immigrants play an important role in shaping attitudes toward immigrants in the U.S.? Using a 2010 survey experiment representative of the U.S. general population, this paper examines differences in opposition to immigration by the race or ethnicity of the respondent. By manipulating the amount of anonymity offered to respondents, the experiment allows explicit opposition to be distinguished from implicit opposition, which offers unique insight into the extent to which opposition is masked. Consistent with theories of in-group solidarity, we find that Hispanics, who comprise nearly half of all immigrants in the U.S., overtly express a less restrictive posture, which, relative to Black and White respondents, is not significantly masked. In contrast, White and Black respondents only overtly express more openness to immigration. When offered absolute anonymity, opposition is significantly and substantively greater. The implications are profound in that differences in the extent to which opposition is masked, rather than overtly expressed, fundamentally patterns racial and ethnic differences in opposition to immigration in the U.S.     

Methodological Choices and Data Quality Issues for Official Poverty Measures: Evidences from Italy

Social Indicators Research - The application of new technologies and the implementation of e-government have profoundly modified management systems in public administrations. In this article we...     

Usability testing with children: an application of Pedactice and Ticese methods

Graphic representation of clickable areas in computer interfaces should allow mental representations that facilitate systems navigation during the cognitive process. If it doesn't happen users can feel lost. When thinking about websites designed to children with both entertainment and educational intention these systems must stimulates this kind of users. As many other activities for children nowadays, many system are commonly used as support for contents explored in school, as a complement. The design of theses educational systems must have the compromise to allow these users navigate and feel capable to explore every part of these interfaces. This paper is focusing the results of Ticese and Pedactice methods and shows the importance of these results as an exploratory phase in a bigger research that evaluates interfaces with children. Quantitative and qualitative data were collected related to structuring the user's mental model, influenced by the graphic representation of hypertext areas in a children's educational site.     

Diversity patterns of alien and native plant species in Trieste port area: exploring the role of urban habitats in biodiversity conservation

Nowadays, urban areas play a crucial role in biodiversity conservation and habitat protection despite the constant pressures on which these habitats are subjected. They may even host relatively new plant communities due to the peculiar ecosystem where they vegetate. The port of Trieste (NE Italy) is characterized by a mixed mosaic of intensely human impacted areas (where commercial activities are still ongoing) flanked by abandoned areas where vegetation persists or has spontaneously recovered. In this study, we sampled the whole port area through a stratified random sampling by placing multiscalar nested plots in four different habitats (strata) previously identified by photo-interpretation. Plant species richness and abundance were assessed in each plot. Each species was then classified as native or alien and patterns of species richness and complementarity were compared among habitats. Results show that there is a significant difference in species richness patterns among habitats, while observed patterns are likely to vary at different spatial scales. As expected, urban plots account for most of the alien species in the sampling, while wooded plots cope better with invasion, accounting for a lower alien/native ratio. These results highlight how habitat diversity enhances biodiversity in urban areas and how it could provide an effective filtering effect able to reduce the spread of alien species. In addition, we provide further evidence for the use of multi-scale approaches in order to study the complex relationships between spatial heterogeneity and plant species richness.