OBJECTIVE To estimate the lost investment of domestically educated doctors migrating from sub-Saharan African countries to Australia, Canada, the United Kingdom, and the United States. DESIGN Human capital cost analysis using publicly accessible data. SETTINGS Sub-Saharan African countries. PARTICIPANTS Nine sub-Saharan African countries with an HIV prevalence of 5% or greater or with mor...

T his study evaluates the causality relationship between human capital and foreign direct investment inflow in twenty-six OIC (the Organization of Islamic Cooperation) countries over the period 1970–2014. We employed the panel Granger non-causality testing approach of Kònya (2006) that is based on seemingly unrelated regression (SUR) systems, and Wald tests with country specific boot...

A large body of literature studies on the relationship between health care expenditure (HCE) and GDP have been analyzed using data intensively from developed countries, but little is known for other regions. This paper considers a semiparametric panel data analysis for the study of the relationship between per capita HCE and per capita GDP for 42 African countries over the period 1995-2009. We ...

calotropis procera is a small, erect plant, which is used in several traditional medicines to treat many diseases. it is a native of most of the asian and african countries. all plant parts exude thick white milky juice (latex) on cut or break. this shrub has been known to possess analgesic, antitumor, antihelmintic, antioxidant, hepatoprotective, antidiarrhoeal, anticonvulsant, antimicrobial, ...

Many African countries are among the poorest in the world and as a result, the development objective of most African countries is to reduce or even eradicate poverty through modernising agricultural production including fisheries. In countries around Lake Victoria, fisheries contribute 3-5% of GDP. Fisheries also contribute significantly to export earnings of a number of African countries. On a...

Using comparable data sets for five African countries we estimate, and evaluate possible explanations for, the employer size wage effect across these. Our results indicate, just as has been generally found for other developing and developed nations, that apart from observable worker characteristics most potential theories cannot explain very much of the wage premium received in larger firms. Mo...

Abstract What began as a single COVID-19 case in China late 2019 quickly spread around the globe first quarter of 2020. While impact on world’s health systems is unknown, economic toll remains also unknown world grapples with an unprecedented global recession. This paper estimates that will drag African economies into fall about 2,1% GDP, smaller facing contraction up to 8%. The mainly result e...