This paper discusses the Brazilian middle class, its definition, evolution, profile, attitudes and durability. It describes the methodology that uses per capita household income derived from household surveys to determine ...

Objectives: This study evaluated the capacity of cardiac risk stratification protocols on simple complications that occur during activities of a cardiovascular rehabilitation program. Design: Observational longitudinal ...

The Center for Social Policies at the Getulio Vargas Foundation (CPS/FGV) has shown in successive studies the emergence of a new middle class in Brazil: from 2003 to 2008, 27 million people have ascended to classes ABC. ...

Asset allocation decisions and value at risk calculations rely strongly on volatility estimates. Volatility measures such as rolling window, EWMA, GARCH and stochastic volatility are used in practice. GARCH and EWMA type ...

We propose a new class of performance measures for Hedge Fund (HF) returns based on a family of empirically identi able stochastic discount factors (SDFs). These SDF-based measures incorporate no-arbitrage pricing restrictions ...

Statistical methods such as latent class analysis can estimate the sensitivity and specificity of diagnostic tests when no perfect reference test exists. Traditional latent class methods assume a constant disease prevalence ...

Different instruments have been used to measure social support in epidemiological studies of which the most widely used is the Medical Outcomes Study Social Support Scale (SSSMOS). However, these studies lack measures of ...