The impact of longevity risk has not been well studied in most developing countries because
of the lack of suitable mortality data. As a result, most pension companies in these countries …

Over the years, actuaries as well as demographers have devoted much time to the construction
of mortality models that fit the age pattern of mortality in many countries. However, the …

Almost all literature on the impact of longevity concludes that its impact is huge and can
collapse any life or pension company if steps are not taken to address it. Yet, life companies in …

We study the existence of positive periodic solutions of a system of neutral differential
equations. In the process we construct two mappings in which one is a contraction and the …

The Gompertz model is one of the earliest most influential mortality models. The model
dominated for more than 100 years and is still one of the most important models in the field of …

Small and Medium Enterprises (SME) form a very large number of Ghana's economy and
this sector also has been recognized as a significant sector in employment creation, income …

The presence of outlying observations within the predictor space of the dataset for binary
logistic regression can impact significantly the predictive performance of the developed …

The performance of a Kernel density-based approach for the detection of normal physiological
vital signs can be affected drastically by the smoothing parameter that controls the …

The informal sector in Ghana has been steadily expanding since the colonial era, currently
encompassing approximately 90 percent of the country’s workforce. Despite its substantial …

In this paper, we propose methods for fusing multivariate physiological vital sign data observed
over a common time into univariate data. The approaches rely on noncentral moment-…