This paper aims to subsidize the current debate on tax reform, showing how the theoretical assumptions that supported the current model of income taxation in Brazil are undergoing a significant international revision, both as a consequence of the increasing inequality and the maturation of the...

This paper aims to subsidize the current debate on tax reform, showing how the theoretical assumptions that supported the current model of income taxation in Brazil are undergoing a significant international revision, both as a consequence of the increasing inequality and the maturation of the...

Funções de tributação não-lineares pressupondo obediência ao princípio de sacrifício equitativo são estimadas pelo método de mínimos quadrados ponderados, utilizando dados da Pesquisa de Orçamentos Familiares (POF) de 2002-2003. Os resultados sugerem que o coeficiente de aversão à...

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...