“…In recent years, many empirical papers have studied different issues concerning SR mutual funds. Most of these papers have focused on two main topics: (a) the financial performance of these funds (see, among many others, Bauer, Koedijk, & Otten, ; Chen & Scholtens, ; Cortez, Silva, & Areal, ; Muñoz, Vargas, & Marco, ; Nofsinger & Varma, ); and (b) the investment behavior of SR fund investors (see, among many others, Benson & Humphrey, ; Bollen, ; Muñoz, , ; Renneboog, Ter Horst, & Zhang, ; Riedl & Smeets, ). However, some relevant topics remain unexplored for this type of funds, for example the effect of boards of trustees’ characteristics on their effectiveness in safeguarding investors’ interests.…”