Results 71 to 80 of about 8,867,979 (409)
The Impact of Insider Transactions on Share Prices on the Warsaw Stock Exchange in 2010–2020
Annales Universitatis Mariae Curie-Skłodowska Sectio H, Oeconomia, 2022 Theoretical background: Since presenting Fama’s research on market efficiency, scientists have been investigating any anomalies that interfere with market efficiency. The use of information asymmetry by insiders is just such an anomaly.
Kamil Gemra, Piotr Kwestarz
doaj +1 more source
Molecular Oncology, EarlyView.In molecular cancer diagnostics, comprehensive genomic profiling (CGP) is going to replace the small NGS panels since it provides all clinically relevant somatic variants as well as genomic biomarkers with clinical value. Here, we compared two CGP assays and demonstrate that the choice for diagnostic implementation will depend on the specific ...
Guy Froyen +17 more
wiley +1 more source
Environmental Research CommunicationsIntegrated water affairs management is an important mechanism for fostering coordinated development and enhancing the efficiency of water-related operations, encompassing water resources, water environment, water supply and drainage. It serves as a vital
Yubo Zhang +3 more
doaj +1 more source
The impact of the financial crisis on insider trading profitability in Belgium
Journal of Business Economics and Management, 2013 The 2007 global financial crisis led to a chaotic financial environment characterized by highly uncertain and volatile stock markets. This created additional uncertainty about the fundamental value of shares and potentially increased the benefit of ...
Debby Van Geyt +2 more
doaj +1 more source
Time-varying return predictability in the Chinese stock market [PDF]
Reports in Advances of Physical Sciences 1 (1), 1740002 (2017), 2016 China's stock market is the largest emerging market all over the world. It is widely accepted that the Chinese stock market is far from efficiency and it possesses possible linear and nonlinear dependence. We study the predictability of returns in the Chinese stock market by employing the wild bootstrap automatic variance ratio test and the generalized
arxiv +1 more source
Considering the Risks and Costs of Solid Organ Xenotransplantation
Advanced Biology, Volume 9, Issue 4, April 2025.This perspective discusses the rationale, risks, and costs of whole‐organ xenotransplantation. It considers alternative strategies to obviate the demand for transplants and optimize allotransplantation systems and practices that do not impose xenotransplantation's harms and risks, and whether they are the most ethical and effective means to increase ...
Catharine E. Krebs +5 more
wiley +1 more source
A Market Mechanism for Trading Flexibility Between Interconnected Electricity Markets [PDF]
arXiv, 2022 Electricity markets differ in their ability to meet power imbalances in short notice in a controlled fashion. Relatively flexible markets have the ability to ramp up (or down) power flows across interties without compromising their ability to reliably meet internal demand.
arxiv
The Dynamics of Market Efficiency
The Review of Financial Studies, 2016 We study the dynamics of high-frequency market efficiency measures. We provide evidence that these measures comove across stocks and with each other, suggesting the existence of a systematic market efficiency component. In vector autoregressions, we show that shocks to funding liquidity (the TED spread), hedge fund assets under management, and a proxy ...
Mathijs A. Van Dijk +2 more
openaire +2 more sources
On the efficiency of the global gold markets [PDF]
International Review of Financial Analysis, 2015 This paper examines the weak-form efficiency of the global gold markets with specific focus on the random walks (RWS) and martingale difference sequence (MDS) hypotheses, and consequently, investigates the extent to which predictability or non-predictability of global daily spot gold price return series behaviour can be explained by volatilities in ...
Ntim, Collins G. +3 more
openaire +5 more sources