Lucky Test Portfolio Construction Decisions?
December 8, 2022 - Big Ideas
Do test portfolio construction decisions in published research on stock return predictors impound bias by fitting the noise (capturing luck) in historical returns? In his November 2022 paper entitled “Looking Under the Hood of Data-Mining”, Mathias Hasler re-evaluates research published in academic journals on 92 stock return predictors by testing alternatives for 12 portfolio construction… Keep Reading