Yamada, T.

stock investor return company ownership market price equity percent size premium demand shocks portfolio premium impact journal demand year t table panel coefficient large-cap stocks study value tokyo stock exchange shock variable institution market capitalization period correlation company size market value march change level price impact investment finance regression result japanese smb portfolio stock returns pressure trading preference effect holding post-big bang equity prices group keiretsu companies cash flows report pre-big bang www.cfapubs.org ratio sample figure relationship large-cap japan japanese equity market 1976-1994 analyst year f price pressure investment flows value-weighted keiretsu capitalization basis measure ownership ratio analysts journal stock prices size variables future future returns asset