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Real Time Evidence based Modelling of Gate Congestion of Marine Container Terminals in Nigeria Godwin Nwachukwu Nkem; Gbadebo, Adedeji Daniel
Nama Jurnal Akmi Vol 8 No 1 (2026): J.Sitektransmar May 2026
Publisher : LPPM AKMI SUAKA BAHARI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51578/j.sitektransmar.v8i1.115

Abstract

Efficient gate operations at marine container terminals (MCTs) are critical for reducing truck waiting times, minimizing congestion, and improving port economic performance. Purpose – This study develops a stochastic queuing-based optimization framework using M/Eₖ/S multi-server models to represent truck arrivals and gate service processes. Statistical goodness-of-fit tests confirmed that truck inter-arrival times follow an exponential distribution, while service times align with an Erlang distribution. Methodology – The methodology adopts a queueing–optimization framework to evaluate and improve marine container terminal (MCT) gate operations by minimizing the combined costs incurred by terminal operators and trucking companies. The gate system is characterized by two principal cost components: gate operating costs borne by the service provider and truck waiting costs incurred by users. Findings – Optimization results indicate that implementing the model reduced average truck waiting times from 9.8 minutes to 6.3 minutes and decreased total daily gate costs by approximately 23% across operating hours. The optimal number of gate lanes varied with traffic density, demonstrating the importance of adaptive lane allocation. Originality – Policy implications highlight investment in predictive analytics, dynamic scheduling, and resource allocation to enhance port efficiency, throughput, and economic competitiveness 
Food Inflation and Political Stability: Understanding the Link in Nigeria Gbadebo, Adedeji Daniel
Jurnal Pemerintahan dan Kebijakan (JPK) Vol. 7 No. 1 (2025): December
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jpk.v7i1.27797

Abstract

This study examines the complex relationship between food inflation and political stability in Nigeria, a country experiencing significant economic volatility and societal unrest. According to recent data from the National Bureau of Statistics (NBS), food costs are rising at an unprecedented rate, with inflation expected to exceed 40% by early 2024. Using the cost-push theory of inflation as a theoretical lens, the study investigates how insecurity, inadequate infrastructure, climate change, and currency depreciation have disturbed food production and supply systems. These disruptions have significantly reduced household purchasing power, leading to political discontent, civic unrest, and a decline in faith in government institutions. Using a survey approach, data were obtained from 285 respondents in Pategi LGA, Kwara State. ANOVA revealed a significant correlation between food inflation and political instability (p < 0.05). The findings highlight how continuous increases in food prices fuel political discontent, particularly among economically disadvantaged communities. Furthermore, popular cynicism about the success of present government initiatives, such as the Anchor Borrowers Program, underlines the insufficiency of policy solutions. The study suggests that food inflation is more than just an economic concern; it is a powerful political force with the potential to erode democratic governance. The recommendations include proactive, security-driven agriculture policy, infrastructure development, market system reform, and transparent governance practices.