There is mounting evidence that retail investors make predictable, costly investment mistakes, including underinvestment, naive diversification, and payment of excessive fund fees. Over the past thirty-five years, however, participant-directed 401(k) plans have largely replaced professionally...

This paper reports the results of a behavioural finance experiment on the ability of Thai individuals to make informed investment decisions under a defined contribution self-management option. Using an asset allocation dataset from members of the Thai Government Pension Fund (TGPF) and a control...