A growing number of studies have concluded that South Africa has one of the highest cases of HIV infections in the world. With the epidemic continuing to evolve at an alarming rate, the government of South Africa has regarded the HIV/AIDS epidemic as a developmental and socio-economic policy...

South Africa has one of the highest cases of HIV infections in the world. With the epidemic continuing at an alarming rate, the government of South Africa has regarded the HIV/AIDS epidemic a developmental and socio-economic policy issue. The study explores the impact of HIV/AIDS on food demand...

Regulators of utilities that operate as local monopolies would like to set prices or allow rates of return based upon the quality of a utility's service. However, quality is highly multidimensional. Traditionally, regulators have collected measures of quality on many separate dimensions, and...

Baron and Kenny's procedure for determining if an independent variable affects a dependent variable through some mediator is so well known that it is used by authors and requested by reviewers almost reflexively. Many research projects have been terminated early in a research program or later in...