70 research outputs found
Letter to the Editor: Why is severe dengue rare in Nigeria: an ecologicepidemiology and host genetic perspective?
No full textNo Abstrac
Revisiting the eye opening response of the Glasgow Coma Scale
No full textThe Glasgow Coma Scale (GCS), introduced by Teasdale and Jenneth in
1974, has received tremendous acclaim from clinicians and has been
extensively used in clinical practice for the evaluation of the level
of consciousness. The author notes that some traumatic brain injury
patients close eyes in response to painful stimuli as opposed to the
eye opening response to pain of the GCS. A revision of the eye opening
response subsection of the GCS is suggested
Japan as a Capital Exporter and the World Economy (Occasional Papers No. 18. Group of Thirty, New York) by Masaru Yoshitomi
No full textSound financial system is considered central to the development of trade either in an economy or internationally. This fact informed the author of this Occasional paper in examining and bringing into focus how Japan became an international creditor i.e. net capital exporter in the world financial system aside from her leading role in world trade. This position was attained through a combination of many factors, some of which were sectoral savings-investment imbalances and the co-existence of high-employment government deficit and the high-employment current account surplus in the 1970s and 1980s. The author thus, traced the historical evolution of Japan• s chronic current account surplus vis-a-vis its impact in the international financial systems back to the end of World War JI in 1945 when she was an immature debtor country with a regulated financial . system. Although it was written in 1985, the paper is still relevant in the light of free market economy and economic liberalisation and the concomitant internationalisation of local economies
MODELING VOLATILITY OF NIGERIA STOCK EXCHANGE USING GARCH MODELS
No full text<p><strong><span>Abstract:</span></strong><span> Financial and economic variables fluctuate owing to a variety of causes, including economic conditions, market pressures, government policies, global effects, industry-specific factors, and even random events. Addressing these fluctuations requires the development of accurate forecasting models to help market participants and policymakers adapt to the dynamic nature of stock market volatility. This research models the conditional mean and variance of Nigeria Stock Exchange Banking Index (NGX-BANK) by obtaining the ARIMA model that captures the linear dependency in the return and the optimal Symmetric or Asymmetric GARCH model that captures the time-varying volatility. The research obtained the Value at Risk and forecast future volatility. Ten years daily closing price were used to obtain the estimate of the ARIMA-GARCH, ARIMA-IGARCH, ARIMA-EGARCH and ARIMA-TGARCH models. The returns from the daily price were stationary but not normally distributed showing the asymmetric nature of the returns. ARIMA(2,0,1) captures the linear dependencies and temporal patterns present in the returns of the series. It was established that ARIMA(2,0,1)+EGARCH(4,4) was the optimal model that can capture the structured information regarding conditional mean and volatility. There were no indication of heteroscedasticity or autocorrelation in the ARIMA-EGARCH model's residual. Meanwhile, there exist 1% chance that the loss from the asset will exceed 860.07 in 10 days.</span></p>
<p><strong><span>Keywords:</span></strong><span> ARIMA, Forecast, GARCH, Heteroscedasticity, Time Series, VaR, Volatility.</span></p>
<p><strong><span>Title:</span></strong><span> MODELING VOLATILITY OF NIGERIA STOCK EXCHANGE USING GARCH MODELS</span></p>
<p><strong><span>Author:</span></strong><span> Toba Temitope Bamidele, Femi Barnabas Adebola</span></p>
<p><strong><span>International Journal of Recent Research in Interdisciplinary Sciences (IJRRIS)</span></strong></p>
<p><strong><span>ISSN 2350-1049</span></strong></p>
<p><strong><span>Vol. 11, Issue 2, April 2024 - June 2024</span></strong></p>
<p><strong><span>Page No: 45-53</span></strong></p>
<p><strong><span>Paper Publications</span></strong></p>
<p><strong><span>Website: www.paperpublications.org</span></strong></p>
<p><strong><span>Published Date: 04-June-2024</span></strong></p>
<p><strong><span>DOI: <a href="https://doi.org/10.5281/zenodo.11473668">https://doi.org/10.5281/zenodo.11473668</a></span></strong></p>
<p><strong><span>Paper Download Link (Source)</span></strong></p>
<p><strong><span><a href="https://www.paperpublications.org/upload/book/MODELING%20VOLATILITY%20OF%20NIGERIA%20STOCK-04062024-4.pdf">https://www.paperpublications.org/upload/book/MODELING%20VOLATILITY%20OF%20NIGERIA%20STOCK-04062024-4.pdf</a></span></strong></p>
Revisiting the eye opening response of the Glasgow Coma Scale
No full textThe Glasgow Coma Scale (GCS), introduced by Teasdale and Jenneth in
1974, has received tremendous acclaim from clinicians and has been
extensively used in clinical practice for the evaluation of the level
of consciousness. The author notes that some traumatic brain injury
patients close eyes in response to painful stimuli as opposed to the
eye opening response to pain of the GCS. A revision of the eye opening
response subsection of the GCS is suggested
The Kampala Convention and Challenges to Geopolitical Security
No full textThe AU Kampala Convention aims to ensure that the states that have signed the treaty protect and assist internally displaced persons (IDPs) in their regions to establish geopolitical security, which is threatened by the inevitability, volume and heterogeneity of forced displacement. This article interrogates the link between the Kampala Convention and the minimisation of interstate conflict through a political will to tackle the challenge of forced displacement amongst member states the cooperation and integration of which would contribute to geopolitical security. Thus, using secondary data, the author determines how addressing large-scale forced displacement in the region can improve geopolitical security. Thus, based on an extensive review of relevant IDP issues in Africa, attention is paid to displacement trends on the continent, factors precipitating displacement and the flow of IDPs across the region, a current analysis of the AU Kampala Convention framework, the challenges to African geopolitical security and responsibility-sharing amongst African states. The author concludes that there should be synergy between host and displaced communities for integration and the provision of opportunities for IDPs to regain their livelihoods. Therefore, African states need to adapt and implement, as a matter of urgency, national, regional and international policies to solve the challenges of internal displacement in Africa and ensure geopolitical security
Adsorption of lead from aqueous solution by a novel carbon based adsorbent
No full textLead (Pb), due to its bioaccumulation ability, has been noted to have detrimental effects on
the human body affecting the metabolism, blood and kidneys (Bansal and Goyal, 2005; Bowen,
1996). It is, therefore, imperative that lead be removed from water and wastewater to protect
public health and aquatic lives. Multiwall carbon nanotubes (MWCNT) were reported by Li et
al. (2003) to have metal sorption capacity of 3–4 times higher than those of powder and
granular activated carbon. However, membrane clogging and separation of the nanomaterials
from the filtrate pose a challenge. In this work, a novel composite material consisting of carbon
nanotubes (CNT) and granular activated carbon (GAC) was synthesised to solve the filtration
problem in a static filter. Various percentages of nickel (1%, 3%, 5 and 7%) were used as
substrate catalyst during production of the adsorbent and these were linked to the morphology
and adsorption capacity of the novel material in lead adsorption. Analyses showed that
increased nickel content in the substrate from 1% to 7%, during adsorbent production, resulted
in a rough surface of the CNT and increased lead removal from 24% to 89%. Equilibrium
concentrations of lead for the adsorbents were achieved at about 60 minutes of contact time.
The novel composite material has the potential to remove toxic materials from water and bring
benefit to the society
The challenges experienced by social-care workers working with separated migrant children in residential care settings
No full textThis study examined and analysed social care workers‟ account of their work with separated migrant children in a residential care setting. The dramatic changes in the composition of Irish society and the unprecedented increase in numbers of migrant children posed a major challenge to the government in general and the social care profession, that struggles to cope with multi-ethnicity, in particular. Studies suggest that there is a lack in the social services provided to separated migrant children while they face the challenge of integrating into the Irish culture. Irish social care professionals are confronted with new ordeals linked with disruption, control and prejudice. The professional skills, level of awareness, experience, and outcome of social care work with migrant children are part of what this research aims to explore. The objective of this study is to promoting better awareness of cross-cultural values and beliefs. With the use of qualitative research method for this study, the procedure consists of face to face and email interviews, which sought to explore the experiences, understanding and perspectives of social care practitioners in their roles. The findings in the study have emerged with three main themes: cultural differences, language difficulties, and lack of resources. These cover a variety of issues including lack of cultural foods, lack of support for religious beliefs, lack of facilities and inadequate provision of interpretation services. Support has been found to be inadequate, an absence of a legal framework for the provision of care to migrant children in residential care Ireland has been revealed. Separated migrant children are expected to adapt to the existing system in place, rather than the social care services be responsive to their multi-ethnic needs. The findings also reflect the views and personal experiences of the social care workers in their roles. Cultural experiences have been found to be more of self-learning through working with these children, rather than developed through institutionally provided trainings and workshops. Author kewywords: Separated child, unaccompanied child, migrant, refugee, asylum seeke
Clinical and epidemiological significance of RT-PCR and non-structural glycoprotein-1 assays in the diagnosis of dengue virus infections
No full textBackground: Due to the rapid geographic expansion, dengue has attracted much global attention. Hence, many research outputs have emanated from clinical and epidemiological studies. However, most of these studies, especially those from low- and middle-income countries, heavily relied on enzyme-linked immunosorbent assay (ELISA).
Objective: In view of this, we sought to comment and remind dengue researchers within virology, immunology, and epidemiology disciplines regarding the limitations of ELISA protocols in establishing diagnosis of dengue virus (DENV) infections. Subsequently, we provided an update on the current diagnostic algorithm for dengue.
Method: Extensive literature search was done using special key words on “PubMed”, “Scopus”, “Web of Science” and “Hinari”. Suitable articles were selected and subjected to scrutiny for inclusion in this study.
Result: It was discovered that over 90% of published articles from LMICs inferred about dengue mainly from available commercial serological kits, without further confirmation using more accurate, sensitive and specific protocols. In some instances (less than 5%), combination of either RNA positive and anti-DENV IgM or dengue NS1 and anti-DENV IGM were used to diagnose acute primary dengue; while presence anti-DENV IgG and DENV RNA were considered
non-primary dengue.
Conclusion: In view of the limitations of every protocol used for investigations of dengue virus infections, its necessary to utilize appropriate combination tests to differentiate primary from non-primary dengue in order to generate reliable clinical and epidemiological inferences
Distribution of ZIKV antibody in rural and urban dwellers.
No full textDistribution of ZIKV antibody in rural and urban dwellers.</p
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