“…Institutional investors can participate in shareholder meetings as shareholders, elect board members and management, and participate directly in major personnel, finance, and strategy decisions ( Fan et al, 2023 ). They can also exert external pressure on the firm’s management through capital market operations, exerting a “signaling” effect, effectively curbing the manager’s self-interest behavior, and causing management, represented by the CEO, to be more cautious in selecting the firm’s strategic activities ( Aggarwal et al, 2011 ; Kacperczyk et al, 2015 ; Pu et al, 2023 ). Under the full supervision of institutional investors, celebrity CEOs have weakened their personal authority and discretionary power, making it difficult for them to engage fully in organizational activities that benefit their celebrity status and social standing.…”