Contrary to the objective of a major corporate pension reform in Japan to enhance retirement income security, and despite the increased relative tax benefits of externally-funded plans, the number of firms that do not sponsor externally-funded defined benefit plans or defined contribution plans...

Firm managers of defined-benefit (DB) pension plan sponsors reveal their primary motives — risk-shifting or risk-management — through their assumed expected rates of return (ERRs) on the plan assets. Managers with risk-shifting motives choose high ERRs to exploit flexible internal financing...