for value and momentum effects, but only weak evidence for size premium. We formed portfolios double-sorted on size and … book-to-market ratios, as well as on size and momentum, and we explain their returns with the above-mentioned asset pricing …, but fail to explain returns on the size and momentum sorted portfolios. With the exception of the momentum factor, local …

momentum strategy. The Japanese case illustrates the necessity of considering structural instability related to the …

momentum risk factor (as existing work has suggested), but also the widely-used U.S. size and value risk factors. We then build … novel pan-European and country-specific momentum, size, and value risk factors. By comparing our pan-European market returns …

basis of small stocks. Empirically, we show that (i) small-stock components of traditional value and momentum factors … capture patterns in returns on regional and global portfolios of stocks; (ii) size-effect models substantially outperform … benchmark models in finance; (iii) global small-stock value and momentum components are priced but regional models lead to more …

conservatively. Surprisingly, survivor stocks tend to be loser stocks with negative exposure to the momentum factor. Further analyses …

We report strong evidence that changes of momentum, i.e. "acceleration", defined as the first difference of successive … returns, provide better performance and higher explanatory power than momentum. The corresponding Γ-factor explains the … momentum-sorted portfolios entirely but not the reverse. Thus, momentum can be considered an imperfect proxy for acceleration …

This paper proposes a risk-based explanation of the momentum anomaly on equity markets. Regressing the momentum … the USA from 1963 to 2012 reduces the momentum effect from a highly statistically significant 11.94% to an insignificant 1 ….84%. We find additional supportive out-of sample evidence for our risk-based momentum explanation in a sample of 23 …