Main events scheduled in Japan for Thursday, Oct. 8:– Official campaign to start for Okayama, Toyama gubernatorial elections.– Finance Ministry to release preliminary balance of payments statistics for August at 8:50 a.m.– Bank of Japan to hold branch managers’ meeting online, release quarterly Sakura Report on regional economies.– Cabinet Office to release monthly “economy watchers” survey for September at 2 p.m.– Tokyo District Court to hold first hearing in trial of former senior bureaucrat Kozo Iizuka, indicted for negligent driving that caused two deaths and injured 10 others in Toky…