In this paper, we calculate the necessary payroll tax to reach the financial equilibrium of the retirement system for formal workers in the private sector in Brazil (INSS). Such an exercise allows us to identify the formal employees who contribute to the increase of the INSS deficit. Although we...

The aim of this paper is to introduce a model of student flows. Starting with two years of the Brazilian Household Survey PNAD (2002 and 2003), school transition rates are identified for primary school and high school. These rates are used to project the education- related data in PNAD until...

The research on the relation between school quality and student achievement have many different results, but most analysts conclude that the school quality has little influence on student performance, as compared to background characteristics. However, there are evidences that difficulties using...

This work studies the gasoline market in Brazil with emphasis given to the State of São Paulo. Our first line of research investigates whether this market presents features which favor anti-competitive actions, despite being a market with several agents involved. Our empirical analysis makes...