This paper analyzes the effects of an individual transferable quota (ITQ) system implemented on bycatch on the global harvest level of oligopolistic fisheries. We show that the impact of changes in the total allowable catch (TAC) on the equilibrium harvest level depends on the degree of returns...

A água é um bem de consumo que possui valor econômico, por suas características físico-químicas ela é essencial à vida humana, animal e vegetal, contudo, os recursos hídricos tornam-se a cada dia mais escassos na natureza. O processo de degradação dos recursos hídricos por meio de...

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...