Empirical model. We use Tobin’s q as a proxy for a
firm’s value, which existing research on CG uses
extensively (Demsetz and Lehn, 1985; Hiraki et al.,
2002; Gompers et al., 2003; Bai et al., 2004). This
method is forward-looking and thus does not suffer
from problems that arise from other accountingperformance
measures, such as the effects of business
cycles. Furthermore, HK-listed companies usually
have good liquidity, except for some of the smaller
stocks, and companies normally disclose financial
information in a timely manner.
To test the relationship between CG indices and
firm value, we formulate the following regression
model: