Variation in economic preferences is systematically related to both individual and aggregate economic outcomes, yet the origins of the worldwide preference variation have proved elusive. This paper uses globally representative data on risk aversion, time preference, altruism, positive reciprocity, negative reciprocity, and trust to uncover that contemporary preference heterogeneity has its long...

Human mitochondrial DNA is widely used as tool in many fields including evolutionary anthropology and population history, medical genetics, genetic genealogy, and forensic science. Many applications require detailed knowledge about the phylogenetic relationship of mtDNA variants. Although the phylogenetic resolution of global human mtDNA diversity has greatly improved as a result of increasing ...

jeremy shiffman’s editorial appropriately calls on making all forms of power more apparent and accountable, notably productive power derived from expertise and claims to moral authority. this commentary argues that relationships based on productive power can be especially difficult to reveal in global health policy because of embedded notions about the nature of power and politics. yet, it is e...