We use data from the Gallup World Poll and from the Demographic and Health Surveys to investigate how subjective wellbeing (SWB) is affected by mortality in sub-Saharan Africa, including mortality from HIV/AIDS. The Gallup data provide direct evidence on Africans' own emotional and evaluative...

The extent to which growth reduces global poverty has been disputed for 30 years. Although there is better data than ever before, controversies are not resolved. A major problem is that consumption measured from household surveys, which is used to measure poverty, grows less rapidly than...

Purchasing power parity exchange rates, or PPPs, are price indexes that summarize prices in each country relative to a numeraire country, typically the United States. These numbers are used to compare living standards across countries, by academics in studies of economic growth, particularly...