In the implementation/consolidation process of the Brazilian Single Health System (SUS), hospitalization deserves special attention from the local management. This descriptive study identifies, through qualitative data, factors that explain variations in the number of hospitalizations processed and paid by the Municipal Health Department of Ribeirão Preto, Brazil. Data were collected through in...

Even in a world of agile methods and Internet-time processes, quality is a crucial attribute of software. A number of explanatory factors for software quality have been proposed, but the empirical evidence on the effect of these factors has been mixed. One reason for the mixed evidence is that surrogates are frequently used that capture the desired factor poorly. For example, it is widely agree...

As sustainable waste management has become an important environmental concern, growing emphasis is being given to policy tools aimed at increasing recycling behavior by households. Information is a common policy tool, but may not always reach the individuals whose behavior is being targeted, i.e., those reluctant to recycle. This study examined individual differences in attention to recycling i...

Security returns are heteroscedastic both cross-sectionally and over time, which affects the accuracy of standard factor extraction methods. In order to reduce the impact of such heterogeneity and to preserve the true factor structure, this paper studies the performance of a factor extracting method based on maximizing the explanatory power of the extracted factors. The implementation of the me...