DOI: 10.3724/SP.J.1042.2019.00439

Advances in Psychological Science (心理科学进展) 2019/27:3 PP.438-446

Richard Thaler's empirical findings and theoretical insights into behavioral finance

Richard H. Thaler is a renowned behavioral finance researcher whose empirical findings and theoretical insights have linked economic and psychological analyses with individual decision-making. This article summarizes Thaler's findings and introduces them to a larger audience. Thaler and colleagues found systematic price reversals for stocks that underwent extreme long-term gains or losses, wherein past losers went on to far outperform past winners, consistent with the behavioral hypothesis of investor overreaction. Additionally, Thaler and colleagues presented findings suggesting that discount fluctuations in closed-end funds were driven by changes in individual investor sentiment. Finally, Thaler and colleagues explained the equity premium puzzle in terms of so-called myopic loss aversion, wherein investors are assumed to be loss-averse and even long-term investors are assumed to evaluate their portfolios frequently. In conclusion, Thaler played a crucial role in the development of the behavioral finance field by incorporating new human psychology insights into economic analyses.

Key words:“winner-loser” effect,discounts on closed-end funds,equity premium puzzle,behavioral finance,myopic loss aversion

ReleaseDate:2019-03-01 06:48:04

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