Using a large sample of Japanese firm level data, we find that Japanese banks act primarily in the short term interests of creditors when dealing with firms outside bank groups. Corporate control mechanisms other than bank oversight appear necessary in these firms. When dealing with firms in...

We investigate the relation between firms' ownership structures and q ratios in Japan. At low levels of ownership by main banks, firms' q ratios fall as bank equity ownership rises. At higher levels of bank ownership, this relationship is mitigated and, in some specifications, even reversed. We...