Muitos trabalhos recentes têm-se debruçado sobre a presença de dinâmicas de memória longa nos preços das acções devido às implicações controversas de tal constatação para a eficiência do mercado e, portanto, para os modelos martingale dos preços dos activos utilizados na economia...

We analyze the effect of two 2012's regulatory measures in the Brazilian telecommunications and electricity markets. The first intervention was undertaken by the telecommunications regulatory agency (Anatel) in 18th of July and refers to the interruption of the sales of important...

We analyze the effect of two 2012's regulatory measures in the Brazilian telecommunications and electricity markets. The first intervention was undertaken by the telecommunications regulatory agency (Anatel) in 18th of July and refers to the interruption of the sales of important...

This paper has two objectives. Initially, seeks to review the main theses contained in the Brazilian economic literature on the role of the Brazilian Development Bank (BNDES) and its historical role in financing Brazilian economic development. The second objective is to analyze the perspective...

Income contingent loans (ICLs) are a financial tool that optimizes the transactional efficiencies involved in the government monopoly in taxing personal income. It protects the borrowers against periods of low income, as instalments vary according to fluctuations in their incomes over the...

This paper has two objectives. Initially, seeks to review the main theses contained in the Brazilian economic literature on the role of the Brazilian Development Bank (BNDES) and its historical role in financing Brazilian economic development. The second objective is to analyze the perspective...