The increase in life expectancy spells disaster at retirement. One can solve this problem by investing in the maximum geometric mean (MGM) portfolio, which is empirically composed from equity. For a T = 30 year horizon or more, the MGM portfolio dominates other investment strategies by almost...

Prospect Theory (PT), which relies on subjects' behavior as observed in laboratory experiments, contradicts the behavior predicted by the Expected Utility (EU) paradigm. Having wealth of $100,000 or having wealth of $90,000 and wining $10,000 in a lottery is the same by EU paradigm but not the...