Therefore, completely understanding the PSRR and SRPR and their underlying mechanisms necessitates (1) the clarification of the respective effects of the different processes; (2) the use of suitable theoretical methods to combine the respective effects of these processes into a logical comprehensive ef...
Taking all this into account, Carhart (1997) proposes a four-factor model for explaining the variation in stock returns. Then, Fama and French (2015) propose a five-factor model that extends the three-factor model by incorporating profitability and investment to explain the variation in stock ...
we find relatively large effect sizes for the sentiment variable that significantly differ between true vs. false rumors. All else being equal, false rumors have cascades that are of larger size, longer duration, and greater virality if the sentiment is positive. Hence, a (positive...
After that the supernatant was removed and the sample air dried before it was resolved in 100 μl TE buffer (10 mM TrisHCl, 1 mM EDTA). Genotyping-by-sequencing and SNP calling Three 96-plex genotyping-by-sequencing (GBS) libraries were constructed at the Cornell University Biotechnology ...
In addition, the latter three studies find that the returns are abnormally low leading up to the grants. Because stock options are generally granted at the money, past researchers attribute the stock return pattern to opportunistic timing of either grants or information releases around grants. ...
Introgression of an isolated Primula lineage suggests the existence of a glacial refugium in the Écrins range (Southwestern French Alps) Article 23 September 2022 Between allopatry and secondary contact: differentiation and hybridization among three sympatric Gentiana species in the Qinghai-Tibet Plat...
By three days old, the infant stool microbiome composition has transitioned from resembling the mother and environment to that of other infants, suggesting intrinsic adaptations during early life contribute to microbiome establishment (Ferretti et al., 2018). Establishment of the stool microbiome can ...