The Duan Options Pricing Model is an alternative to the Black & Scholes Model (B&S), but considers the heteroskedasticity and the non-normality of the asset-returns. This study analyzes the performance and the characteristics of this model when applied to the Brazilian market, specifically on...

This paper has as main objective to present and to test a tool of multivariate statistics in financial models. This methodology, known as clusters analysis, separates the observations in groups through its determined characteristic, in contrast of the traditional methodology, which is only the...

The aim of this paper is to present and to test a modification in the traditional Fama and French Multifactor Model (1996), from the necessities of adaptation for the Brazilian case. This model takes into consideration two anomalies, which have to be added to the CAPM Model: size and...

The purpose of this paper is to present the Grinblatt and Moskowitz Model (2004), and make a modification to adapt for an emerging market, in this case to apply in the Sao Paulo Stock Exchange (Bovespa), that presents some specifics characteristics and problems, common in financial models and...

This paper aims to test the hypothesis of abnormal returns from the strategy of investing in shares with lower Price/Value Ratio (PVPA) in the Brazilian capital market. All the shares negotiated in the Sao Paulo Stock Exchange (Bovespa) from 1994 to 2006 were used, and formed 6 portfolios...

We studied the rationales of investing in CSR/ESG, drawing on recent empirical research articles on CSR/ESG to choose four different perpetual real options models and perform sensitivity analyses on the decision to become a socially responsible firm, invest in CSR/ESG to capture goodwill in a...