De Bondt and Thaler's findings stand the conventional wisdom on its head and show compelling
evidence for mean reversion in stocks in a variety of forms.
Not exact matches
Looking at this data, at least, the
evidence seems strong that a high CAPE today goes with lower stock returns in future periods, with the
mean reversion becoming stronger
for longer time periods.
Later work showed some
evidence for a negative effect (
mean reversion) on a longer timescale [2, 3].
The research we present in this article provides
evidence that valuations are a key reason
for this
mean reversion: underperforming managers tend to hold cheaper assets, with cheaper factor loadings, setting them up
for good subsequent performance, whereas recently winning managers tend to hold more - expensive assets.