“…It argues that when a minority group, such as women directors on boards, reaches a certain threshold or critical mass, there is a qualitative change in the nature of the group's interactions and organizational changes which allows innovation to begin (Torchia et al, 2011). In addition, the friendly board theory (Adams & Ferreira, 2007) has been used, suggesting that a close relationship between directors and the CEO can be beneficial by creating an environment of cooperation, confidence, and exchange of information that enables improved decision-making in different aspects like innovation (Kang et al, 2018). Another theory used is the upper-echelon theory (Hambrick & Mason, 1984), which assumes that the psychological and observable characteristics of managers and directors, such as age, gender, experience, tenure, and educational and functional background, are determinants of strategic decisions such as firm innovation (Wincent et al, 2012).…”