“…The literature has kept growing since Johnson et al (2000) pioneered the concept of “tunneling” and related theories. Prior studies provide evidence of effective governance channels of tunneling behaviors, such as acquisition market (Bae et al, 2002), legal environment (Atanasov, 2005), information disclosure (Cheung et al, 2006; Wang et al, 2019), institutional ownership (Jiang et al, 2010), financial constraints (Peng et al, 2011) and board structure (Cai et al, 2019; Yu et al, 2021). This study complements this literature by highlighting the disciplinary role of product market competition in deterring controlling shareholders' tunneling.…”