Prior studies find mixed evidence about the substitution relation between bank credit and trade credit. In this paper, using two bank interest rate deregulations in China, we revisit the substitution hypothesis by examining how exogenous increases in the availability of bank credit affect trade credit. We find that firms with higher credit risk increased their use of bank credit and reduced their use of trade credit after the 2004 bank interest rate ceiling deregulation, whereas firms with lower credit risk increased their use of bank credit and reduced their use of trade credit after the 2013 bank interest rate floor deregulation. Our results provide supportive evidence for the substitution hypothesis that firms reduce their use of trade credit after the relaxation of bank credit and suggest that bank credit is more favorable short-term financing than trade credit.

We find that social capital, as captured by secular norms and social networks surrounding corporate headquarters, is negatively associated with levels of CEO compensation. This relation holds in a range of robustness tests including those that address omitted variable bias and reverse causality. Additionally, social capital reduces the likelihood that firms make opportunistic option grant awards that unduly favor CEOs, including lucky awards, backdated awards, and unscheduled awards. Social capital also lessens the accretive effect of CEO power on CEO compensation. These findings indicate that social capital mitigates agency problems by restraining managerial rent extraction in CEO compensation.