TY  - JOUR
TI  - Predicting Excess Stock Returns Out of Sample: Can Anything Beat the Historical Average?
AU  - John Y. Campbell
AU  - Samuel B. Thompson
JO  - Review of Financial Studies
PY  - 2008
VL  - 21
IS  - 4
DO  - 10.1093/rfs/hhm055
UR  - https://doi.org/10.1093/rfs/hhm055
ER  -