This paper presents, within a framework of the Solow model, evidence that there should be two different reasons for convergence. One is due to diminishing returns to capital and the other is due to technological diffusion. This paper shows that OECD and low income countries follow a pattern of conditional convergence but middle income countries do not. This seems to imply that technological dif...

This paper presents, within a framework of the Solow model, evidence that there should be two different reasons for convergence. One is due to diminishing returns to capital and the other is due to technological diffusion. This paper shows that OECD and low income countries follow a pattern of conditional convergence but middle income countries do not. This seems to imply that technological dif...

Chronic kidney disease (CKD) is fast becoming a major public health issue, disproportionately burdening low-income to middle-income countries, where detection rates remain low. We critically assessed the extant literature on CKD screening in low-income to middle-income countries. We performed a PubMed search, up to September 2016, for studies on CKD screening in low-income to middle-income coun...

BACKGROUND Since the site of human subjects research has public health, regulatory, ethical, economic, and social implications, we sought to determine the global distribution and migration of clinical research using an open-access trial registry. METHODS We obtained individual clinical trial data including location of trial sites, dates of operation, funding source (United States government, ...

UNLABELLED 'Cochrane Corner' in the November SAMJ highlights a Cochrane review that evaluated the effects of interventions for improving childhood vaccination coverage in low- and middle-income countries. QUESTION Which interventions increase the uptake of childhood vaccines in low and middle-income countries? BOTTOM LINE Health education, home visits, and reminders probably increase the up...