“…Altunbas et al (2001) compare private, mutual, and public financial institutions. When using national databases, the division is usually made between mutual and stock institutions (Hasan and Lorenzo-Vivas (2002), Hermalin and Wallace (1994), and Bongini et al (2000)), or commercial banks and savings banks (Bøhren and Josefsen (2007), Garcia-Marco and Robles-Fernandez 2008, and Crespí et al (2004)). In this paper, we aim to provide a more comprehensive classification of ownership structures.…”