Results 81 to 90 of about 134,818 (221)

Size, Value, and Momentum in Polish Equity Returns: Local or International Factors?

open access: yesInternational Journal of Management and Economics, 2017
This paper tests the performance of the Capital Asset Pricing Model (CAPM) and the Fama-French three-factor and Carhart four-factor models on the Polish market.
Zaremba Adam, Konieczka Przemysław
doaj   +1 more source

The Transactional Asset Pricing Approach(TAPA): Incorporation of Leverage and Derivation of Extended Ellwood Formula with Fixed Leverage Benefits

open access: yesReal Estate Management and Valuation, 2021
The Paper discusses the derivation of the Ellwood formula on the basis of the Transactional Asset Pricing approach to valuation (TAPA) and proceeding from the dynamic principle of transactional equity-in-exchange.
Michaletz Vladimir B.   +1 more
doaj   +1 more source

Development of Vertical Wind Turbine Blades Using 4D Printing of Composites

open access: yesPolymer Composites, EarlyView.
Vertical axis wind turbine: White blade: Commercial. Black blade: Composite. ABSTRACT This paper presents the procedure to make vertical wind turbine blades using the technique of 4D printing of composites (4DPC). The blades are made using carbon/epoxy composite materials with a fiber volume fraction of about 60%.
Emad Fakhimi, Suong Van Hoa
wiley   +1 more source

Sentiment and Stock Characteristics: Comprehensive Study of Individual Investor Influence on Returns, Volatility, and Trading Volumes

open access: yesBusiness Systems Research
Traditional asset pricing models face challenges from financial anomalies, prompting exploration through behavioural finance theory. This study analyses the nuanced relationship between individual investor sentiment and key stock market variables.
Kresta Aleš   +2 more
doaj   +1 more source

The Impact of Acquisition on Stock Value in Case of Warsaw Stock Exchange

open access: yesEconomics and Culture, 2019
Research purpose: Seven of 10 companies that have won the Polish Forbes edition Merge & Acquisition 2018 Ranking are listed on Warsaw Stock Exchange. The aim of the conducted research was to test if the biggest acquisitions have an impact on stocks value
Kaczmarczyk Wojciech
doaj   +1 more source

Alterations in Metabolites Associated With Umbilical Cord Blood in Monozygotic Twins Discordant for Congenital Heart Disease

open access: yesPediatric Discovery, EarlyView.
This study found that the metabolomic signature of umbilical venous cord blood in congenital heart disease (CHD) differs from that of healthy monozygotic (MZ) co‐twins. Dysregulation of metabolic pathways like glucose, lipid, and amino acid metabolism, along with altered metabolites, helps understand CHD predisposition.
Fang Xiang   +6 more
wiley   +1 more source

Modeling Distress in US High Yield Mutual Funds Before and During the Covid-19 Pandemic

open access: yesFolia Oeconomica Stetinensia, 2022
Research background: In March 2020, when the US financial markets were in the grip of the COVID-19 crisis, the Fed instituted various policies and programs to alleviate stress in financial markets. One such program involved the Fed purchase of securities
Szymczyk Łukasz   +2 more
doaj   +1 more source

Comparison on Module Performance and Degradation Robustness of Two‐, Three‐, and Four‐Terminal Perovskite Silicon Configurations Under Realistic Operating Conditions

open access: yesProgress in Photovoltaics: Research and Applications, EarlyView.
We compare the module performance of two‐terminal, three‐terminal, and four‐terminal perovskite/silicon modules in terms mismatch, thermalization, and interconnection losses. For each configuration, the bandgap energy of the perovskite layer is optimized for different locations.
Youri Blom   +4 more
wiley   +1 more source

Hydrodynamic-type systems describing 2-dimensional polynomially integrable geodesic flows

open access: yes, 2016
Starting from a homogeneous polynomial in momenta of arbitrary order we extract multi-component hydrodynamic-type systems which describe 2-dimensional geodesic flows admitting the initial polynomial as integral.
Manno, Gianni, Pavlov, Maxim V.
core   +1 more source

Evidence that 5‐HT2A receptor signalling efficacy and not biased agonism differentiates serotonergic psychedelic from non‐psychedelic drugs

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and Purpose Serotonergic psychedelic drugs are under investigation as therapies for various psychiatric disorders, including major depression. Although serotonergic psychedelic drugs are 5‐HT2A receptor agonists, some such agonists are not psychedelic, potentially due to differences in 5‐HT2A receptor ligand bias or signalling efficacy. Here,
Aurelija Ippolito   +6 more
wiley   +1 more source

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