Purpose – Proposes a new covariance matrix robust estimator able to capture the correct orientation of the data and the large unconditional variance caused by occasional high volatility periods. Design/methodology/approach – Derives easy‐to‐compute estimates for the center and covariance...

Purpose – The purpose of this paper is to examine the risk-adjusted performance of Brazilian SRI stock funds. Design/methodology/approach – Risk-adjusted performance of 11 Brazilian socially responsible investment (SRI) funds relative to local index funds and matched pairs of funds. Findings...

Purpose – This paper aims to investigate the determinants and the evolution of voluntarily adopted firm‐level corporate governance practices in Brazil from 1998 to 2004 using broad corporate governance scores. Design/methodology/approach – The authors employ a robust panel‐data procedure...

This paper analyzes the structure of ownership and control of public Brazilian companies using data from 325 companies listed at the São Paulo Stock Exchange. We show a high degree of ownership concentration. The major shareholder has, on average, 41 percent of the equity capital, while the...

Purpose –The purpose of this paper is to examine the risk-adjusted performance of Brazilian SRI stock funds. Design/methodology/approach - Risk-adjusted performance of 11 Brazilian socially responsible investment (SRI) funds relative to local index funds and matched pairs of funds. Findings...