This paper verified the impact of the investment horizon in the allocation of an optimized portfolio. To do so, we generated efficient frontiers from a group of diversified global asset classes considering time series of returns of the past 10 years. It was possible to prove that the investment...

This research verifies the existence of the aversion to uncertainty bias in individual financial decisions. It also evaluates the effects of gender and knowledge in this bias. We considered a sample of 80 undergraduate management students from Universidade Católica de Brasília. The results...

Credit rating is an index for classifying credit risk that attributes scores based on investor trust and confidence in the company issuing bonds in the financial market. This article studies rating as signs of default (insolvency) in companies. Fitch Ratings was used due to the transparency of...

This study analyzes group influence on investment decisions in an attempt to determine the correlation between two financial behavior tendencies: overconfidence and herding behavior. An experiment was carried out with 92 students from the Universidade Católica de Brasília. The results...

This paper details efforts at developing and estimating a Vector Autoregressive (VAR) econometric model representative of the financial statements of a firm. Although the model can be generalized to represent the financial statements of any firm, this work was carried out as a case study, where...

The paper presents results of empirical tests with hybrid nominal exchange rate models for the Brazilian foreign exchange market, using macroeconomic and market microstructure variables. The basic model was originally proposed and tested in the German (DM/US$) and the Japanese (Y/US$) foreign...

Based on a method developed by Laybourne, Kim and Taylor (2007) for detecting multiple changes in persistence, we test for changes in persistence in the dividend-price ratio of the Nasdaq stocks. The results confirm the existence of the so-called Dotcom bubble around the last turn of the century...