Results 41 to 50 of about 29,467 (261)

The Effect of Accounting Variables Driving Risk on Abnormal Stock Returns [PDF]

open access: yesپژوهش‌های تجربی حسابداری, 2017
This study is aimed to investigate the effect of accounting variables driving risk on abnormal stock returns of firms listed in the Tehran Stock Exchange. The sample consists of 98 firms during the period from 2010 to 2015. The data collected is analyzed
maryam saberi   +2 more
doaj   +1 more source

Natural Frequencies of Levodopa‐Induced Dyskinesia in Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives Abnormal involuntary movements, known as dyskinesias, are common complications of levodopa treatment in patients with Parkinson's disease and can significantly impair quality of life. The underlying pathophysiology remains unclear, and current therapeutic options are limited.
Ioannis U. Isaias   +3 more
wiley   +1 more source

Reserves, Injury Severity, and Outcomes in Traumatic Brain Injury: A CENTER‐TBI Observational Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Reserve refers to the brain's ability to maintain function after an injury and strongly relates to traumatic brain injury (TBI) outcomes. This study examined (1) whether associations between pre‐injury reserve proxies and outcomes differed across injury severity categories, and (2) whether the impact of injury severity varied across ...
Natascha Ekdahl   +6 more
wiley   +1 more source

The Role of Monetary Policy Announcements on Turkish Banks' Stock Returns

open access: yesEmerging Markets Journal, 2016
This paper investigates the impact of monetary policy committee decisions of the Central Bank of the Republic of Turkey on the stock returns of the deposit banks listed in Borsa Istanbul Banks Index (XBANK).
Nida Abdioğlu, Sinan Aytekin
doaj   +1 more source

The Market Reaction to Stock Splits – Evidence from the Warsaw Stock Exchange

open access: yesAnnales Universitatis Mariae Curie-Skłodowska Sectio H, Oeconomia, 2023
Theoretical background: A share split is an operation that increases the total number of shares. The split is a technical operation and should not affect the market value of the company.
Paweł Sekuła
doaj   +1 more source

Data‐Driven SuStaIn Model of Disability Progression in Amyotrophic Lateral Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To determine whether ordinal Subtype and Stage Inference (SuStaIn) applied to routine ALSFRS‐R item scores can identify reproducible disability progression patterns in amyotrophic lateral sclerosis (ALS) and provide clinically meaningful staging.
Giammarco Milella   +5 more
wiley   +1 more source

A Magneto‐Mechanically Activated Nerve Guidance Conduit Promotes Peripheral Nerve Regeneration via TIMP1‐Mediated Membrane Tension Transfer

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a magneto‐mechanical strategy that incorporates FP@MSCs into an aligned PCL/GelMA nerve guidance conduit. Magnetic stimulation increases membrane tension in FP@MSCs, triggering cytoskeletal remodeling, Schwann cell‐like differentiation, and TIMP1 secretion. TIMP1 activates ITGB1/CD63–FAK signaling in NE‐4C cells, increasing membrane
Xinyu Zhu   +14 more
wiley   +1 more source

The Relationship of Conservatism and Short Term Abnormal Returns of Initial Public Offerings with Emphasis on the Role of Information Asymmetry Models [PDF]

open access: yesمطالعات تجربی حسابداری مالی, 2012
This research follow up the relation between conservatism and short term abnormal returns of IPOs in Tehran Stock Exchange and also infusing of asymmetry information among beneficiaries in IPO’s procedure in mentioned relation.
Ghasem Blue, Mahdi Falah Barandagh
doaj  

THE EFFECT OF INDIVIDUAL FUTURE CONTRACTS ON THE ABNORMAL RETURNS OF UNDERLYING STOCKS: EVIDENCE FROM BORSA ISTANBUL

open access: yesMehmet Akif Ersoy Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi, 2022
This study aims to shed light on the immediate stock price response to the introduction of individual future contracts (IFCs) in Borsa Istanbul and make a general assessment of the Turkish stock market efficiency. In this context, as of June 2020, all 37
Göksal Selahatdin Kelten, Aslı Aybars
doaj   +1 more source

Abnormal returns, risk, and options in large data sets [PDF]

open access: yesStatistica Neerlandica, 1998
Large data sets in finance with millions of observations have become widely available. Such data sets enable the construction of reliable semi‐parametric estimates of the risk associated with extreme price movements. Our approach is based on semi‐parametric statistical extreme value analysis, and compares favorably with the conventional finance normal ...
Silvia Caserta   +2 more
openaire   +3 more sources

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