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All Journal Journal of Multidisciplinary Science: MIKAILALSYS Asian Journal of Science, Technology, Engineering, and Art Mikailalsys Journal of Advanced Engineering International Mikailalsys Journal of Mathematics and Statistics Journal of Statistics and Data Science
Ayenigba, Alfred Ayo
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Agriculture, Biological Sciences & Forestry Arts Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Mathematics Mechanical Engineering Physics Social Sciences Other

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Journal : Journal of Multidisciplinary Science: MIKAILALSYS

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A Decade of Fuel Price Fluctuations: The Trend and Their Inflationary Effects in Nigeria (2014-2024) Ayenigba, Alfred Ayo
Journal of Multidisciplinary Science: MIKAILALSYS Vol 3 No 2 (2025): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v3i2.5438

Abstract

This study examines the decade-long (2014–2024) relationship between petrol price fluctuations and inflation in Nigeria, a petroleum-dependent economy grappling with fuel subsidy reforms, currency instability, and global oil market shocks. Leveraging quantitative analysis of annual data from the National Bureau of Statistics (NBS), Central Bank of Nigeria (CBN), and Nigerian National Petroleum Corporation (NNPC), the research employs time series trend analysis, Pearson’s correlation (r = 0.93), and linear regression modeling ( ​) to reveal that petrol price changes explain 87.1% of inflation variance (R2=0.871). The 2023 total subsidy removal triggered catastrophic spikes, with petrol prices surging 300% (₦617 to ₦1,030/liter) and inflation peaking at 34.8% in 2024, disproportionately burdening low-income households and SMEs. Policy recommendations advocate fazed subsidy removal paired with social safety nets, renewable energy investments to reduce petrol dependency, and modular refinery development to curb import costs. This study provides a framework for mitigating fuel-driven inflation in resource-dependent economies.
Temporal Dynamics and Gender Disparities in Malaria, Typhoid, and Yellow Fever in Nigeria (2018–2023) Ajao, Olutunde Michael; Ayenigba, Alfred Ayo; Aina, Oluwaseun Ayomikun
Journal of Multidisciplinary Science: MIKAILALSYS Vol 3 No 3 (2025): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v3i3.7352

Abstract

This study examines temporal trends, gender disparities, and spatial distribution patterns of malaria, typhoid, and yellow fever in Nigeria using gender-disaggregated data from the Nigeria Centre for Disease Control (NCDC) spanning 2018–2023. Drawing on 72 months of case counts, the analysis employed time-series decomposition, chi-square tests, and negative binomial regression modeling. Malaria exhibited moderate seasonal fluctuations with a peak in 2021 (35,000 cases), likely influenced by climatic variability. Typhoid presented sharp episodic spikes, notably in 2020 (15,000 cases), suggesting sanitation-related outbreaks. Yellow fever cases increased steadily by 45%, potentially reflecting enhanced surveillance or expanding endemicity. Statistically significant gender disparities were observed (χ² = 240.38, p < 0.001), with males disproportionately affected by typhoid and females slightly overrepresented in malaria cases. Model fitting indicated that malaria (p = 0.834) and yellow fever (p = 0.845) conformed well to the negative binomial distribution, while typhoid did not (p = 0.018), underscoring its irregular, outbreak-prone nature. These findings underscore the need for differentiated public health responses, including sustained vector control for malaria, improved sanitation infrastructure to curb typhoid, expanded yellow fever vaccination coverage, and gender-responsive, data-driven intervention strategies.
Co-Authors Aina, Oluwaseun Ayomikun Ajao, Olutunde Michael Augustine, Chinenmerem Darlington Igbobie, Emeka Joseph Ogunkoya, C. O. OYEDIRAN, Hakeem Makanjuola Taiwo, O. Esther