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Modeling downtime severity of telecommunication networks using discrete time Markov chains
Telecommunication network reliability remains a top priority for both customers and service providers. Downtime can result in revenue loss for providers and productivity loss for customers. Thus, accurately predicting downtime severity can help…
Modeling Cholera Epidemiology Using Stochastic Differential Equations
In this study, we extend Codeço’s classical SI‐B epidemic and endemic model from a deterministic framework into a stochastic framework. Then, we formulated it as a stochastic differential equation for the number of infectious individuals I(t) under…
Modeling and Forecasting of Ghana’s Inflation Volatility
In this paper, we assessed volatility of Ghana’s inflation rates for 2000 to 2018 using the auto-regressive conditionally heteroskedasticity (ARCH), generalized ARCH (GARCH), and the exponential GARCH (EGARCH) models. The inflation data were obtained…
Mobile Money Sustainability by Service Providers in Ghana: Challenges and Benefits
The study intended to investigate the sustainability of mobile money in Ghana, which is currently making waves in Ghana. The problem addressed in this research was how mobile money systems are sustained amidst challenges and setbacks to the system.…