This paper introduces a new sentiment-augmented asset pricing model and provides a com-prehensive understanding of the role of this sentiment-driven risk factors. We find that news andsocial media search-based indicators are significantly related to excess returns of internationalequity...

We propose an averaging rule that combines established minimum-variance strategies to minimize the expected out-of-sample variance. Our rule overcomes the problem of selecting the “best” strategy ex-ante and diversifies remaining estimation errors of the single strategies included in the...