Bayesian analysis of the generalized gamma distribution using non-informative priors

The Generalized gamma (GG) distribution plays an important role in statistical analysis. For this distribution, we derive non-informative priors using formal rules, such as Jeffreys prior, maximal data information prior and reference priors. We have shown that these most popular formal rules with natural ordering of parameters, lead to priors with improper posteriors. This problem is overcome by considering a prior averaging approach discussed in Berger et al. [Overall objective priors. Bayesian Analysis. 2015;10(1):189–221]. The obtained hybrid Jeffreys-reference prior is invariant under one-to-one transformations and yields a proper posterior distribution. We obtained good frequentist properties of the proposed prior using a detailed simulation study. Finally, an analysis of the maximum annual discharge of the river Rhine at Lobith is presented.     

Initial resource heterogeneity differences between family and non-family firms: Implications for resource acquisition and resource generation

A fundamental, but overlooked stream of resource-based theory (RBT) is the analysis of combinations of initial heterogeneous resource endowments with homogeneous resources that are acquired in the market. These combinations can generate heterogeneous, specific non-tradable resources, which are a potential source of superior competitive advantage and, hence, performance. In order to operationalize this idea empirically, we analyse the development of internationalization resources (considered a specific category of non-tradable resources) within family and non-family firms. Compared to non-family firms, we argue that family firms are able to combine a particular type of heterogeneous initial resource (i.e. familiness) with homogeneous tradable resources acquired in the market. This question is tested using a panel of family and non-family Spanish manufacturing firms for the period 1990 to 2010. As a result, this study contributes to the literature on RBT, extending previous theoretical and empirical research in this stream.     

Exponentiated Chen distribution: Properties and estimation

This article addresses various properties and estimation methods for the Exponentiated Chen distribution. Although, our main focus is on estimation from frequentist point of view, yet, some statistical and reliability characteristics for the model are derived. We briefly describe different estimation procedures, namely, the method of maximum likelihood estimation, percentile estimation, least square and weighted least-square estimation, maximum product of spacings estimation, Cramér-von-Mises estimation, Anderson–Darling, and right-tail Anderson–Darling estimation. Monte Carlo simulations are performed to compare the performances of the proposed methods of estimation for both small and large samples. Finally, the potentiality of the model is analyzed by means of three real datasets.     

Perception of quality of life in an elderly Angolan sample / Percepción de calidad de vida en una muestra de ancianos angoleños

Increased life expectancy and the ageing of the population have made it particularly important to distinguish between the old (usually 60–79 years, or the ‘young old’) and the oldest old (80 years or more, or the ‘fourth age’). This study explores the effects of age, gender and institutionalization on perceived health and life satisfaction in 1003 elderly people from Luanda, Angola. A multivariate analysis of variance (MANOVA) was estimated to test for these effects. Results provide evidence of lower scores on life satisfaction and perceived health for the oldest old and the institutionalized. However, the higher life satisfaction among the non-institutionalized disappeared when they reach the fourth age. No differences were found by gender, although there was a slight drop in the life satisfaction of women over the age of 80.     

Was Pro-Poor Economic Growth in Australia for the Income-Poor? And for the Multidimensionally-Poor?

We investigate the pro-poorness of Australia’s strong economic growth in the first decade of the twenty-first century using anonymous and non-anonymous approaches to the measurement of pro-poor growth. The sensitivity of pro-poor growth evaluations to the definition of poverty is evaluated by comparing the results for the standard income-poverty measure with those based on a multidimensional definition of poverty. We find that Australian growth in this period can be only categorized as pro-poor according to the weakest concept of pro-poorness that does not require any bias of growth towards the poor. In addition, our results indicate that growth was clearly more pro-income poor than pro-multidimensionally poor. Counterfactual distribution analysis reveals that differences in the distribution of health between these two groups is the non-income factor that most contributes to explain this result.     

The relation between cultural values and condom use among Latino gay men

ABSTRACT

Latino men who have sex with men (MSM) are the second largest group to be affected by human immunodeficiency virus (HIV). Latino cultural values may influence sexual behaviors that can result in HIV acquisition. This study explored the relations among traditional machismo, caballerismo, familismo, unprotected anal intercourse (UAI), and the appeal of sex without condoms (ASWC) among Latino gay men. Results indicated that higher levels of familial honor and traditional machismo predicted higher levels of ASWC. These findings suggest that exploration of gender roles and family are important factors to be included in HIV prevention and intervention programs.     

Interacting forms of expertise in security governance: the example of CCTV surveillance at Geneva International Airport1

The paper investigates the multiple public‐private exchanges and cooperation involved in the installation and development of CCTV surveillance at Geneva International Airport. Emphasis is placed on the interacting forms of authority and expertise of five parties: the user(s), owner and supplier of the camera system, as well as the technical managers of the airport and the Swiss regulatory bodies in airport security. While placing the issues of airport surveillance in the particular context of a specific range of projects and transformations relating to the developments of CCTV at Geneva Airport, the paper not only provides important insights into the micro‐politics of surveillance at Geneva Airport, but aims to re‐institute these as part of a broader ‘problematic’: the mediating role of expertise and the growing functional fragmentation of authority in contemporary security governance. On this basis, the paper also exemplifies the growing mutual interdependences between security and business interests in the ever growing ‘surveillant assemblage’ in contemporary security governance.     

Dissonant Discourses in Institutional Communications on Sexual Violence

ABSTRACT

This article is a discourse analysis of a large Northwestern research university’s official communications regarding sexual violence for a 15-month time frame. Through close reading of these communications, we found that concurrent with high levels of criticism in the spring of 2014 over the university’s handling of a high-profile rape case, the university advanced dissonant discourses of risk and responsibility in its communications regarding sexual violence. At both the institutional and individual levels, these dissonant discourses work to construct who is at risk of committing or experiencing sexual violence, and who is responsible for preventing and responding to it. In conclusion, we discuss possible implications for these dissonant discourses on the future of campus sexual violence prevention and university response.     

The guaranteed minimum income in Portugal: A universal safety net under political and financial pressure

The Guaranteed Minimum Income (GMI) was created in Portugal by a centre-left Socialist Party government in 1996, as the most important constitutive part of a ‘new generation of active social policies,’ which completed the existence in Portugal of a universal system of guaranteed income. Its transformation into a Social Integration Income (SII) in 2003 and its retrenchment in the period of the Great Recession and troika austerity (2011–2015) has reduced the scope of this policy measure as a universal safety net policy. This article examines the context and the major drivers for the creation and for the policy changes that occurred in the GMI/SII. Looking at the political debates and the changes in this policy measure along this period, we argue that the major reforms introduced since its creation reflect ideological cleavages within the political arena. Considering the very low share in total government current expenditure of GMI/SII, this can explain the social policy selective retreat associated to the changes introduced in this policy measure by the centre-right coalition in government, in the latest period of cost containment of social policy in Portugal, leading to a great decrease in the number of beneficiaries and to an increase of its inadequacy.