Global Solar Radiation Annual Profile, Causes and Seasonal Effects, at Ilorin, Nigeria

The data of short-wave global (total) solar radiation of 4 years (1995-1998) at Ilorin (8˚ 34′ N, 4˚ 34′ E), Nigeria was used to study the characteristic behavior of SW- global solar radiation in the tropics. To do this, its weekly average was plotted and analyzed with respect to the atmospheric constituents responsible for the behavior. On the profile obtained, two “Wells” of unequal size and depth were identified; a “hill” and a “plateau” representing the potentials of the radiation were also identified in a 52 - week year. These features were associated with seasons of the year and the radiation potentials obtainable in the region. The size of the Wells indicates the time prevalence of the atmospheric constituents causing the Wells and the length of the respective season, while the depth indicates the amount and severity of the constituents. The “Wells” and the “Plateau” constitute 3 seasons in a 52- week year

Effect Of Episodic Market Conditions On Beta Variability In Nigerian Stock Market

The studies on beta variability have been fully documented in the literature with various empirical stances, meaning that a concession has not been reached. In view of this we employ the variable Mean Response Regression Model to investigate the random movement of beta coefficients over time and across market phases, using monthly stock returns from Nigerian Stock Exchange (NSE). Our findings based on this model show that beta coefficients move randomly around a trend line when the market is up-beat, whereas they tend to be less volatile in the down market. However, a long-run equilibrium relationship between the return on the individual security and beta components is evident in the two markets. Based on these findings we recommend that investors should arbitrage between these markets and take advantage of price differentials to earn riskless profit

Cost of Urban Rental Housing and its Implications on Home Ownership Drive of Middle and Low-Income Earners in Lagos State, Nigeria

The quantitative and qualitative housing challenges especially among the middle and low income groups in Nigeria have continued to constitute a source of concern to all. Over the years, different studies have examined the situation and attributed the problem to the inability of government to provide housing enmasse, lack of access to capital, low income and high costs of procurement of available ones. This study advances knowledge by focussing on renters and taking a closer look at the overall cost of rental housing and its effect on renter to owner’s efforts. Renters’ population is on the increase in major urban centres with reduced capacity for home acquisition. This study examines household spending pattern, identifies other costs incidental to rental housing consumption and how they affect renters’ home acquisition drives’. Questionnaires were administered to 750 renters randomly selected from three local government areas in Lagos State. Data collected were subsequently analysed with descriptive tools such as tables, percentages, relative importance index and a 5-point likert scale. It was discovered that apart from rent, other costs incidental to rental housing consumption significantly reduces renters’ savings capacity. The study therefore suggests that these other costs be examined critically and treated appropriately. They could be stabilised, subsidized, eradicated or totally shouldered by the government

Impacts of Gated Communities on Residential Property Values: A Comparison of ONIPETESI Estate and Its Neighbourhoods in IKEJA, Lagos State, Nigeria

There has been a considerable growth of interest in recent years surrounding the emergence of gated communities. This study examined the impact of gated communities on residential property values by comparing Onipetesi Estate and Idi-Mangoro neighbourhood. While questionnaire was administered on the 230 residents of Onipetesi Estate, 40 copies were administered on the Estate Surveying and Valuation firms managing properties within Onipetesi Estate and Idi-Mangoro neighbourhood. A total of 134 (58.26%) and 25 (62.5%) copies of the questionnaires were retrieved from the residents and Managing Agents respectively. In analysing the data collected for this study, descriptive statistics was adopted. The study revealed that residential properties within Onipetesi Estate are more expensive than that of Idi-Mangoro. The study further revealed that the quest for security of life and properties is a major factor attracting people to the estate. In terms of economic sustainability, gated communities provide good basis for improving the standard and quality of valuation of residential properties, however both environmental and social sustainability should be given equal recognition, especially with the various criticisms leveled against gated communities in terms of their sustainability contribution to urban growth

Issues Facing the Estate Surveying and Valuation Profession in Nigeria

The paper analyses the issues facing the real estate profession in Nigeria sourcing materials from observations of earlier researchers in the conduct of estate surveying and valuation practitioners and public opinion over time through an x-ray of the challenges faced by practitioners in the real estate business. Analysis showed that the continuous influx of intruders into real estate business is as a result of inability of those registered estate surveyors and valuers to meet the local demand for their services coupled with the poor performance of some sole proprietor firms in the area of valuation accuracy. Also, Estate Surveyors and Valuers Registration Board of Nigeria need to encourage partnerships and the registration of additional estate management graduates through extensive training and rigorous accreditation standards. Admission of members, by the Board, into Fellowship grade should be through the publication of their contributions and achievements on valuation-related issues towards the growth of the profession in Nigeria

Impacts of Gated Communities on Residential Property Values: A Comparison of ONIPETESI Estate and Its Neighbourhoods in IKEJA,Lagos State, Nigeria

There has been a considerable growth of interest in recent years surrounding the emergence of gated communities. This study examined the impact of gated communities on residential property values by comparing Onipetesi Estate and Idi-Mangoro neighbourhood. While questionnaire was administered on the 230 residents of Onipetesi Estate, 40 copies were administered on the Estate Surveying and Valuation firms managing properties within Onipetesi Estate and Idi-Mangoro neighbourhood. A total of 134 (58.26%) and 25 (62.5%) copies of the questionnaires were retrieved from the residents and Managing Agents respectively. In analysing the data collected for this study, descriptive statistics was adopted. The study revealed that residential properties within Onipetesi Estate are more expensive than that of Idi-Mangoro. The study further revealed that the quest for security of life and properties is a major factor attracting people to the estate. In terms of economic sustainability,gated communities provide good basis for improving the standard and quality of valuation of residential properties,however both environmental and social sustainability should be given equal recognition, especially with the various criticisms leveled against gated communities in terms of their sustainability contribution to urban growth

Knowledge, Attitude and practices of HIV post exposure prophylaxis amongst health workers in Lagos University teaching hospital

Introduction: timely PEP after needle stick exposure to high risk body fluids can reduce the rate of occupational transmission significantly. Ignorance of this may increase the risk of seroconversion to HIV for healthcare workers. This study was conducted with the aim of demonstrating the current level of knowledge and practise of healthcare workers as regards PEP. Methods: this was a cross-sectional study, pretested questionnaire were self administered to 372 health workers from various clinical specialties. The responses were collated and analyzed; results were presented in frequency tables. Results: this study revealed a high level of awareness among the respondents as 83.3% were aware of PEP. Despite the high level of awareness, respondents still have an inadequate knowledge about PEP, only 32% of the respondents could name at least two of the recommended drugs for PEP, only 54.0% of respondents knew when to commence PEP following occupational exposure to HIV. There was a low level of practice of PEP among the respondents as only 6.3% of respondents had PEP despite occurrence of needle stick injury. Conclusion: this study revealed a general low level use of PEP despite the average knowledge of PEP and the favourable attitude towards HIV PEP amongst the respondents

Defective Selection and Application of Valuation Data as the Cause of Valuation Inconsistency in Metropolitan Lagos, Nigeria

There has been increasing criticisms of the ability of Nigerian valuers to undertake investment valuations in a reliable and consistent manner. The earlier studies have focused mainly on the range of disparity between either the sale prices and valuation figures or between the valuation figures of two or more valuers. This study however sought to examine the roles of training and exposure to valuation inputs/data often employed in investment valuation by the professional valuers plays in the disparity/variance of the valuation figures produced by the valuers in cases where two or more valuers may have cause to carry out the valuation of the same property(ies) at about the same time/period. To achieve the aim of the study, the researchers employed quasi-experimental method whereby forty five estate surveyors and valuers with varying number of years in practice were sampled by requesting them to carry out valuation of twelve residential properties recently sold within Lagos Metropolis, the study area. The results of their valuations showed wide disparity/variance in the valuation outcomes between and amongst the valuers. These wide variance/disparity is traceable largely to lack of uniformity in the choice of valuation inputs employed by the valuers for valuation assignments and which has direct link to the training received by the respondent valers. The study concluded that there is the need by the Estate Surveyors and Valuers Registration Board of Nigeria (ESVARBON) and the Nigerian Institution of Estate Surveyors and Valuers (NIESV) to take up the responsibility of ensuring that for any Estate Surveyor and Valuer to qualify to carry out valuation assignment(s) such Estate Surveyor and Valuer must have undergone sufficient training and acquire relevant exposure to the art and science of valuation which will afford them opportunity of how to employ relevant valuation data and inputs with a view to curtailing the problem of disparity in valuations amongst the valuers

REAL ESTATE EDUCATION IN NIGERIA: THE NEED FOR NEW PARADIGMS

This paper reports on the detailed findings for the need for new paradigms into real estate education in Nigeria. The aim is to critically evaluate the gaps in the programme of study of Departments of Estate Management in Nigerian Universities taking note of employers’ expectations of real estate graduates. To determine the extent to which the needs of the property industry are being met by the current curriculum, secondary data from the review of current literature were relied upon. This was to ascertain how far the hard and soft skills’ requirements of the real estate industry have been met. Inferences were drawn from business experiences globally and used as the strength of support for the research propositions. The study found that there were significant differences in the views of researchers across the globe concerning practical experience, graduates’ levels of commercial awareness, information technology tools, negotiation skills, information gathering and processing, management of people and processes, communication, problem solving and knowledge about market evaluation. The study recommends the immersion of young Nigerian undergraduates of estate management into a different culture and new concepts which cannot be substituted through lectures at the home university. The time to be spent in other university would serve, not only as means to broaden the academic scope of students but also enhances the participant’s personality and adaptability through introduction into a different "school of thought". Furthermore, such early exposure and experience will be of substantial benefit in future responsibilitie

Adsorptive removal of naphthalene and anthracene from aqueous solution with zinc and copper-terephthalate metal-organic frameworks

This research employed the application of metal organic frameworks (MOFs) of zinc and copper-based materials in the removal of naphthalene and anthracene. Naphthalene and anthracene adsorption were investigated with both zinc-benzene-1,4-dicarboxylic (Zn-BDC) and copper-benzene-1,4-dicarboxylic (Cu-BDC) MOFs. Langmuir, Freundlich and Temkin adsorption isotherms were used to investigate the mechanisms of the data obtained. Zn-BDC and Cu-BDC MOFs were stable at a wide range of temperatures and they both exhibited appreciable desorption and regenerating ability. About 97% and 50% removal were recorded for naphthalene and anthracene, respectively. The great success recorded for naphthalene has been attributed to the tighter fitting between the pores of the MOFs materials and naphthalene, as naphthalene molecules are less sterically hindered as compared to anthracene. Desorption and reusability result showed that both MOFs materials demonstrate high regeneration capacity, and the reuse of the materials proved effective for three batch adsorption process.               KEY WORDS: Naphthalene, Anthracene, Refluxing method, Regenerating ability, Adsorption Bull. Chem. Soc. Ethiop. 2019, 33(2), 229-241.DOI: https://dx.doi.org/10.4314/bcse.v33i2.