The unit extended Weibull families of distributions and its applications

In this paper, two new general families of distributions supported on the unit interval are introduced. The proposed families include several known models as special cases and define at least twenty (each one) new special models. Since the list of well-being indicators may include several double bounded random variables, the applicability for modeling those is the major practical motivation for introducing the distributions on those families. We propose a parametrization of the new families in terms of the median and develop a shiny application to provide interactive density shape illustrations for some special cases. Various properties of the introduced families are studied. Some special models in the new families are discussed. In particular, the complementary unit Weibull distribution is studied in some detail. The method of maximum likelihood for estimating the model parameters is discussed. An extensive Monte Carlo experiment is conducted to evaluate the performances of these estimators in finite samples. Applications to the literacy rate in Brazilian and Colombian municipalities illustrate the usefulness of the two new families for modeling well-being indicators.     

Family networks in Andalusia,Spain

Family networks are a key resource for care in Spain, but this does not mean that they are explained by tradition or ideology. In fact, they are playing an important role in family change towards the dual-earner model supporting the involvement of mothers in paid work. The article analyses the structure of individuals' family networks as circles of non-cohabitant relatives which are kept active by relations, expectations, and mutual services. The information is based on the Family Networks Survey of Andalusia done in 2005 in this Spanish region to a wide sample of 10,000 interviewees.     

Poverty and psychological distress in Latin America

The objective of this paper is three-fold: first, to study the psychological distress of the Latin American poor. Second, to study differences in psychological distress between the poor and the relatively wealthy in Latin America. Third, to study how economic growth impacts the psychological well-being of the poor.This paper uses micro-level information from the Gallup 2007 Survey for 16 Latin American countries to study psychological distress of the poor in Latin America; the survey is representative at the country level. The investigation works with approximately 12,500 observations. Psychological distress is measured on the basis of a set of questions regarding a person’s emotional situation the day before he/she answered the questionnaire.The investigation finds out that the poor show greater psychological distress than the wealthy and that the gap is statistically significant. However, it would be inappropriate to attempt predicting a person’s psychological well-being on the basis of his/her poverty condition alone, since many factors affect people’s psychological well-being. The paper also shows that rapid economic growth seems to be detrimental to the psychological well-being of the poor, and that the impact of economic growth on psychological well-being differs between the poor and the relatively wealthy.