“…A possible reason for the ambiguous results can be the difficulties of measuring truly independent directors [Hwang, Kim, 2009; Crespí- widely used is the proportion of female directors [Berezinets, Ilina, Cherkasskaya, 2017;Chauhan, Dey, 2017;Muravyev, 2017;Usman et al, 2020]. Some authors [Horak, Cui, 2017;Kim, Qin, Kuang, 2020;Mukarram, Ajmal, Saeed, 2018;Srivastava, Das, Pattanayak, 2018;Garanina, Muravyev, 2020] use a dummy variable that equals one if at least one woman is included on board. Kim, Qin, Kuang also test the total number of women on board [Kim, Qin, Kuang, 2020].…”