To examine whether the market perceives the attributes of governance quality
differently, we regress returns on earnings and the interaction of earning and each
individual measure of governance attribute. As shown in column 5, there are positive
and significant coefficients on the interactions between earnings and proxies for
quality of board composition, management compensation and shareholder rights at the
5 percent or better level. The results are insensitive to adding the control variables in
the model, as shown in column 6. This provides support for H1-H3, suggesting that
board independence, efficient management and director compensation, as well as
effective monitoring by shareholders, improve earnings informativeness. Inconsistent
with H4, however, a higher level of governance practice disclosures does not
incrementally explain the return-earnings relation