When Haruhiko Kuroda delivered what was probably his last press conference as governor of the Bank of Japan on Wednesday, he claimed success for an institution that now holds a monstrously distended portfolio of government bonds, domestic stocks and unanswered questions.

Critically, after his decade-long adventures in the borderlands of monetary policy, we still do not know whether Kuroda has helped fortify Japan for the grim work of zombie killing.

Financial Times