5. The research conclusion and the limitations
From the perspective of credit risk, this paper excavates the regulating function of concentration of
managerial power on the internal control of credit risk. Our research found, concentration of managerial power
and internal control exist two curvilinear relationships. As the concentration of managerial power increases, the
internal control quality rises significantly, which increases the role of internal control on credit risk; however,
when executives’ centralization degree exceeds a certain range, the internal control quality decreases
considerably, weaken the role of internal control on the credit risk.