scholarly journals FORECASTING, VALUATION AND PORTFOLIO RETURNS OF STOCK MARKET EVOLUTION: PROBLEMS, PARADOXES AND EFFICIENT INFORMATION. WORLDWIDE IMPLICATIONS AND ROMANIAN EVIDENCE

2019 ◽  
Vol 21 (1) ◽  
pp. 87-114
Author(s):  
Florin Turcaș ◽  
Florin Cornel Dumiter ◽  
Petre Brezeanu ◽  
Marius Boiță
Keyword(s):  
Stock Market ◽  
Time Frame ◽  
Market Evolution ◽  
Reasonable Time ◽  
Empirical Results ◽  
Portfolio Returns ◽  
Eclectic Approach ◽  
Reasonable Time Frame ◽  
Efficient Information ◽  
Portfolio Return

The purpose of this paper is to make a quantitative and qualitative critical analyse regarding the three important aspects of stock market evolution. First, the forecasting problems are presented and analyse in order to establish the main problems and the potential solutions. Second, the valuation problems are tackled in order to observe different trends and directions of solving these issues. Third, the portfolio return forecasts are mandatory in order to establish the results of the titles/market evolutions. The methods used in this research reveal the importance of adopting some important econometric tools in order to test the robustness of different main theories of the stock market and some important practices used among investors. The scope of the research was to give a quid pro quo in order to confer potential solutions regarding problems, paradoxes and efficient information of the stock market. The empirical results reveal that besides the critical side of the theories this paper sets a basis for a new eclectic approach regarding the probabilities that a title achieves certain values within a reasonable time frame. The main conclusion of this article suggests’ that the current theories register some gaps regarding the adherence into stock markets’ realities.

scholarly journals Reasonable time frame in bankruptcy proceedings: Analysis of cases from the judicial practice of the Commercial Court in Niš

2021 ◽  
Vol 60 (90) ◽  
pp. 97-118
Author(s):  
Aleksandar Mojašević ◽  
Aleksandar Jovanović
Keyword(s):  
Case Law ◽  
Time Frame ◽  
Fair Trial ◽  
Fundamental Rights ◽  
Reasonable Time ◽  
Judicial Practice ◽  
Reasonable Time Frame ◽  
The Subject ◽  
The Republic ◽  
The Right

The Act on the Protection of the Right to a Trial within a Reasonable Time, which took effect in 2016, has created the conditions in our legal system for the protection of the right to a trial within a reasonable time, as one of the fundamental rights guaranteed by the Constitution of the Republic of Serbia and related international documents. Although the legislator does not explicitly provide for the application of this Act in the context of bankruptcy proceedings, it has been used in judicial practice as a mean for the bankruptcy creditors to obtain just satisfaction in cases involving lengthy bankruptcy proceedings and a violation of the right to a fair trial within a reasonable time. The subject matter of analysis in this paper is the right to a trial within a reasonable time in bankruptcy cases. For that purpose, the authors examine the case law of the Commercial Court in Niš in the period from the beginning of 2016 to the end of 2019, particularly focusing on the bankruptcy cases in which complaints (objections) were filed for the protection of the right to a fair trial within a reasonable time. The aim of the research is to examine whether the objection, as an initial act, is a suitable instrument for increasing the efficiency of the bankruptcy proceeding, or whether it only serves to satisfy the interests of creditors. The authors have also examined whether this remedy affects the overall costs and duration of the bankruptcy proceeding. The main finding is that there is an increasing number of objections in the Commercial Court in Niš, which still does not affect the length and costs of bankruptcy. This trend is not only the result of inactivity of the court and the complexity of certain cases but also of numerous external factors, the most prominent of which is the work of some state bodies.

CFD Challenge: Application of the Commercial Finite Element Solver FIDAP in a Clinical Setting

2012 ◽  
Author(s):  
Merih Cibis ◽  
Jolanda J. Wentzel ◽  
Frank J. H. Gijsen
Keyword(s):  
Finite Element ◽  
Shear Stress ◽  
Carotid Arteries ◽  
Time Frame ◽  
Academic Hospital ◽  
Close Collaboration ◽  
Desktop Computer ◽  
Reasonable Time ◽  
Finite Element Software ◽  
Reasonable Time Frame

The Rotterdam group mainly focuses on the influence of shear stress on plaque localization and progression in human coronary and carotid arteries. Since we are in an academic hospital, we always have been working in close collaboration with cardiologists and radiologists. Since clinicians do not have the time or the sources that academic engineering groups have, we limited ourselves to perform the simulations on a standard desktop computer (Intel Xeon six core processor, 2.40 GHz CPU and 12 GB RAM) using commercial finite element software (FIDAP 8.7.4 with GAMBIT 2.4.6) within a reasonable time-frame (the weekend). The simulations were carried out by our PhD student Merih Cibis.

Enough Talk, It's Time to Transform: A Call for Editorial Leadership for a Robust Science

2018 ◽  
Vol 11 (1) ◽  
pp. 43-48 ◽  
Author(s):  
Sven Kepes ◽  
Sheila K. List ◽  
Michael A. McDaniel
Keyword(s):  
Decision Making ◽  
Time Frame ◽  
Potential Effect ◽  
Scientific Discipline ◽  
Decision Making Process ◽  
Bottom Up ◽  
Detailed Review ◽  
Reasonable Time ◽  
Reasonable Time Frame

The focal article (Grand et al., 2018) addresses one of the most important issues across virtually all areas of science (Goldstein, 2010): the trustworthiness and credibility of a scientific discipline. Once these attributes are lost, it is difficult to regain them within a reasonable time frame, if ever. In contrast to previous articles on this topic (e.g., Kepes & McDaniel, 2013), the authors of the focal article provide a detailed review of the stakeholders surrounding industrial and organizational (I-O) psychology, including their potential effect on the robustness and trustworthiness of our scientific discipline. In essence, the focal article describes I-O psychology's ecosystem responsible for fostering robust and credible science. The authors should be commended for their comprehensive undertaking, and we have no substantive disagreements. However, implicitly, as with most articles on this vital topic, the focal article tends to take a bottom-up approach to decision making and change. The bottom-up approach is an emergent process where the individuals involved in the day-to-day activities are primarily responsible for the decision-making process and resulting change (Kindler, 1979). Thus, changes resulting from this process are incremental and typically involve making minor adjustments to existing processes (Bartunek & Moch, 1987).

Destruction of model organic pollutants in water using ozone, UV and their combination (Part I)

2003 ◽  
Vol 47 (1) ◽  
pp. 191-196 ◽  
Author(s):  
K.C. Teo ◽  
C. Yang ◽  
R.J. Xie ◽  
N.K. Goh ◽  
L.S. Chia
Keyword(s):  
Phenolic Compounds ◽  
Organic Carbon ◽  
Organic Pollutants ◽  
Effective Means ◽  
Time Frame ◽  
Model Compounds ◽  
Reasonable Time ◽  
Reasonable Time Frame ◽  
Aqueous Matrices ◽  
Removal Efficiencies

The experimental results showed that ozone (O3) oxidation is an effective means to destroy phenolic organic pollutants present in water. High removal efficiencies can be readily achieved for most of the model compounds fortified in aqueous matrices within a reasonable time frame. This study also included the oxidation of phenolic compounds using ozone in combination with ultraviolet (UV) irradiation. The extent of mineralization measured in terms of the losses in total organic carbon is promoted by the joint action of ozone and UV in comparison with using ozone alone.

Application of Dynamic-Static Drainage Consolidation Method on a Silty Ground of Guangzhou

2011 ◽  
Vol 403-408 ◽  
pp. 1405-1408 ◽  
Author(s):  
Li Juan Zhang ◽  
Zhang Ming Li
Keyword(s):  
Pore Water Pressure ◽  
Water Pressure ◽  
Time Frame ◽  
Dynamic Compaction ◽  
Residual Effects ◽  
Soft Ground ◽  
Reasonable Time ◽  
Reasonable Time Frame ◽  
Load Tests ◽  
Compaction Method

The treatment of a silty ground for petroleum product storage facilities in Guangzhou with dynamic-static drainage consolidation method which is based on based on combining the dynamic compaction method and the static consolidation is presented. The pore water pressure, settlement, field vane shear strength, bearing capacity through plate load tests have clearly shown that this method can significantly strengthen the silt ground within reasonable time frame. The soft ground has been improved under the dynamic and static forces and their residual effects.

scholarly journals Cut stroke in half: Polypill for primary prevention in stroke

2018 ◽  
Vol 13 (6) ◽  
pp. 633-647 ◽  
Author(s):  
Michael Brainin ◽  
Valery Feigin ◽  
Sheila Martins ◽  
Karl Matz ◽  
Jayanta Roy ◽  
...  
Keyword(s):  
Primary Prevention ◽  
Time Frame ◽  
Combination Drug ◽  
Middle Income ◽  
Stroke Incidence ◽  
Reasonable Time ◽  
Middle Income Countries ◽  
High Prevalence ◽  
Reasonable Time Frame ◽  
Combination Pill

This review summarizes the potential for polypill therapies for stroke prevention. While a number of studies applying different approaches regarding polypill have been performed, none of them has had a focus on stroke as the main outcome. A combination pill containing drugs such as statins, diuretics, and other antihypertensives is currently available in various formats. Estimates focusing mostly on primary prevention show that using such a combination drug a reduction in the 5-year stroke incidence by 50% can be achieved – especially in low- and middle-income countries with a high prevalence of risk factors even among people at young ages. A combination of a large supporting population-wide program with a registry-based quality control is the most likely perspective and can be achieved within a reasonable time frame and potentially have significant influence in young stroke populations.

scholarly journals A Volatility Estimator of Stock Market Indices Based on the Intrinsic Entropy Model

Entropy ◽  
2021 ◽  
Vol 23 (4) ◽  
pp. 484
Author(s):  
Claudiu Vințe ◽  
Marcel Ausloos ◽  
Titus Felix Furtună
Keyword(s):  
Stock Market ◽  
Time Frame ◽  
Data Sets ◽  
Entropy Model ◽  
Daily Data ◽  
Volatility Models ◽  
Derivative Instruments ◽  
Securities Industry ◽  
Time Frames ◽  
Financial Securities

Grasping the historical volatility of stock market indices and accurately estimating are two of the major focuses of those involved in the financial securities industry and derivative instruments pricing. This paper presents the results of employing the intrinsic entropy model as a substitute for estimating the volatility of stock market indices. Diverging from the widely used volatility models that take into account only the elements related to the traded prices, namely the open, high, low, and close prices of a trading day (OHLC), the intrinsic entropy model takes into account the traded volumes during the considered time frame as well. We adjust the intraday intrinsic entropy model that we introduced earlier for exchange-traded securities in order to connect daily OHLC prices with the ratio of the corresponding daily volume to the overall volume traded in the considered period. The intrinsic entropy model conceptualizes this ratio as entropic probability or market credence assigned to the corresponding price level. The intrinsic entropy is computed using historical daily data for traded market indices (S&P 500, Dow 30, NYSE Composite, NASDAQ Composite, Nikkei 225, and Hang Seng Index). We compare the results produced by the intrinsic entropy model with the volatility estimates obtained for the same data sets using widely employed industry volatility estimators. The intrinsic entropy model proves to consistently deliver reliable estimates for various time frames while showing peculiarly high values for the coefficient of variation, with the estimates falling in a significantly lower interval range compared with those provided by the other advanced volatility estimators.

scholarly journals Clinical correlates of anti-SARS-CoV-2 antibody profiles in Spanish COVID-19 patients from a high incidence region

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Robert Markewitz ◽  
Antje Torge ◽  
Klaus-Peter Wandinger ◽  
Daniela Pauli ◽  
Andre Franke ◽  
...  
Keyword(s):  
Case Fatality ◽  
Time Frame ◽  
Epidemic Outbreak ◽  
Sample Collection ◽  
Rt Pcr ◽  
High Incidence ◽  
Duration Of Hospitalization ◽  
Reasonable Time Frame ◽  
Support Treatment ◽  
Diagnostic And Prognostic Value

AbstractLaboratory testing for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) consists of two pillars: the detection of viral RNA via rt-PCR as the diagnostic gold standard in acute cases, and the detection of antibodies against SARS-CoV-2. However, concerning the latter, questions remain about their diagnostic and prognostic value and it is not clear whether all patients develop detectable antibodies. We examined sera from 347 Spanish COVID-19 patients, collected during the peak of the epidemic outbreak in Spain, for the presence of IgA and IgG antibodies against SARS-CoV-2 and evaluated possible associations with age, sex and disease severity (as measured by duration of hospitalization, kind of respiratory support, treatment in ICU and death). The presence and to some degree the levels of anti-SARS-CoV-2 antibodies depended mainly on the amount of time between onset of symptoms and the collection of serum. A subgroup of patients did not develop antibodies at the time of sample collection. Compared to the patients that did, no differences were found. The presence and level of antibodies was not associated with age, sex, duration of hospitalization, treatment in the ICU or death. The case-fatality rate increased exponentially with older age. Neither the presence, nor the levels of anti-SARS-CoV-2 antibodies served as prognostic markers in our cohort. This is discussed as a possible consequence of the timing of the sample collection. Age is the most important risk factor for an adverse outcome in our cohort. Some patients appear not to develop antibodies within a reasonable time frame. It is unclear, however, why that is, as these patients differ in no respect examined by us from those who developed antibodies.

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