“…Alternatively, selling and walking away, or exit, may be the most common reaction (Gillan & Starks, 2007). The antecedents of principal-principal conflicts are evident in Brazil, such as family ownership, high ownership concentration, less effective minority shareholder protection, low quality of corporate governance (CG) practices ratings, and majority shareholder abuse (de Almeida & Leal, 2020; Maranho & Leal, 2018;Carvalho, 2014 Activist shareholder campaigns may be a way to promote better CG practices, improve performance and protect minority shareholders from the agency and principal-principal conflicts and abuse (Young et al, 2008;Gillan & Starks, 2007). Institutional investors could have an incentive to monitor investee companies because, in general, they have greater equity ownership in companies than individual investors, can capture gains that may exceed the costs of engagement, and be more likely to succeed than other investors (Shleifer & Vishny, 1997).…”