By 2030, Japan will have less than two people of working age for each retiree. If left unaddressed, such a lopsided mix of producers and consumers will bankrupt Japan's pension system and assure a stunted pace of growth.
I believe the iron triangle applies to almost every human endeavor. From throwing a party to keeping a marriage alive for 28 years, no plan survives it's first encounter with reality. The only real question is which corner of the iron triangle am I going to compromise on?
What is most needed for Japan to get out of its current intellectual slump and to restore vitality are government and corporate sectors that espouse transparency and accountability consistently and over time.