Relying on Forbes Magazine annual rankings for two decades, 1625 billionaires and their countries of birth and residence are identified, most of whom are self-made entrepreneurs. 13 percent of billionaires reside in a country other than that of their birth. Migration is linked to distance, to...

Existing studies of entrepreneurship focus on entrepreneurs whose individual contribution to wealth creation is typically trivial: self-employed persons. This paper investigates entrepreneurs whose individual contribution to wealth creation is enormous: billionaires. We explore the relationship...