This paper has two main purposes. The first is to present, to analyze and to suggest road infrastructure investment and financing policies in Brazil. The second objective is to analyze toll road concessions, with emphasis on toll tariffs. For the last eight years federal road investment (at...

Acknowledged the importance of the Road transportation to Brazilian economy, especially when considering cargo transportation, Ipea has studied the main economical and institutional problems that involve Brazilian roads. Firstly, we present an overview of the road system from 1950's expansion to...

The present work discusses the main economical and institutional problems that involve the Brazilian railway system. Firstly, we characterize the segment, presenting the main concepts and a short overview of Brazilian railways, it's history and managing institutions. Next, we present a short...

The present work discusses the main economical and institutional problems that involve the Brazilian railway system. Firstly, we characterize the segment, presenting the main concepts and a short overview of Brazilian railways, it's history and managing institutions. Next, we present a short...

Acknowledged the importance of the Road transportation to Brazilian economy, especially when considering cargo transportation, Ipea has studied the main economical and institutional problems that involve Brazilian roads. Firstly, we present an overview of the road system from 1950's expansion to...

This paper has two main purposes. The first is to present, to analyze and to suggest road infrastructure investment and financing policies in Brazil. The second objective is to analyze toll road concessions, with emphasis on toll tariffs. For the last eight years federal road investment (at...

Precision medicine or personalized medicine refers to the customization of medical treatment based on the ability to classify individuals into subpopulations that differ in susceptibility to a particular disease or in response to a specific treatment. This new perception about diagnosis and...

Precision medicine or personalized medicine refers to the customization of medical treatment based on the ability to classify individuals into subpopulations that differ in susceptibility to a particular disease or in response to a specific treatment. This new perception about diagnosis and...

Este artigo apresenta uma analise para o risco operacional levando em conta informações referentes aos quatro maiores bancos brasileiros. Para tanto, é feita uma breve analise do estado-da-arte sobre o risco operacional e propõe uma discussão em torno dos critérios adotados pelo Comitê de...

In this study we analyze some methods that can be used to perform grouping of unit that make up a public service delivery system (e.g., schools, health centers and police stations). The methods discussed here are: i) one based on some spatial partition of the units (for example, grouping by...