Results 81 to 90 of about 42,164 (304)
Estimating the Returns to Insider Trading [PDF]
This paper estimates the returns to insiders when they trade their company’s stock. We first construct a rolling "purchase portfolio" that holds all shares purchased by insiders for a six-month period, and an analogous "sale portfolio" that holds all ...
Andrew Metrick +2 more
core
Media Ekonomi dan Manajemen, 2019 This study aims to find empirical evidence of the effect of disclosure of corporate social responsibility and financial information proxied by accounting profits and return on assets to abnormal returns in food and beverage sub-sector manufacturing ...
Suroto Suroto, Ch. Asta Nugraha
doaj +1 more source
Advanced Science, EarlyView.Malectin alleviates high glucose‐induced ER stress and damage in placental trophoblasts, a function dependent on its six critical carbohydrate‐binding residues. In a GDM mouse model, administration of TAT‐Malectin ameliorated hyperglycemia and placental ER stress and prevented fetal macrosomia.
Jiahui Zhu +12 more
wiley +1 more source
Advanced Science, EarlyView.Perivascular matrix densification promotes the emergence of aberrant endothelial tip cells (ATECs) that invade and persist within fibrotic microenvironments. Using in vivo lineage tracing and a human microvessel model, this study shows that fibrous matrix cues destabilize VE‐cadherin–mediated junctions to gate TGF‐β signaling, inducing a pro ...
Jingyi Xia +17 more
wiley +1 more source
A generalized method for detecting abnormal returns and changes in systematic risk [PDF]
The authors generalize traditional event-study techniques to allow for event-induced parameter shifts, shifting variances, and firm-specific event periods.
Ken B. Cyree, Ramon P. DeGennaro
core
Abnormal returns: econometric problems or psychological bias?
, 2008 To validate the existence of abnormal returns, the most of empirical studies use the event study methodology which examines the behavior of firms’ stock prices around corporate event. However, this methodology was been the source of several limits.
Abdelfettah Bouri +2 more
core +1 more source
Paternal Circadian Disruption Impairs Offspring Cognition via Sperm microRNAs
Advanced Science, EarlyView.Paternal circadian disruption remodels the sperm small RNA payload, elevating miR‐92a‐3p/miR‐25‐3p levels and perturbing early embryonic gene regulatory programs. Microinjection experiments and single‐embryo transcriptomics reveal sex‐specific developmental vulnerabilities, ultimately impairing offspring hippocampal synaptic plasticity and cognition ...
Kexin Zou +22 more
wiley +1 more source
Abnormal returns in privatization public offerings: the case of Portuguese firms
Notas Económicas, 2006 This paper provides evidence on abnormal returns of Portuguese privatization public offerings for the period from 1989 to 2001. This study explores the abnormal performance of a comprehensive sample of Portuguese privatization transactions and ...
Carla Vieira, Ana Paula Serra
doaj +1 more source
Advanced Science, EarlyView.A healthy gut barrier shields underlying fibroblasts from luminal shear forces, illustrating that “good fences make good neighbors.” Barrier damage exposes fibroblasts to shear stress, inducing cell death and the emergence of stress‐adapted, profibrotic fibroblasts. Sustained shear exposure promotes the formation of stiff aggregates of mechanoadapative
Soyoun Min +6 more
wiley +1 more source
Environmentally oriented energy policy and stock returns: an empirical analysis [PDF]
This paper analyzes the effect of environmental regulation on stock returns (as a measure of economic performance) for German energy corporations. By using event study methodology, we consider the last minute victory of the acting government in the 2002 ...
Ziegler, Andreas, Oberndorfer, Ulrich
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