STOCKHOLM (AP) — A U.S.-based economist won the Nobel prize in economics Monday for pioneering research that transformed widely held ideas about the labor force, showing how an increase in the minimum wage doesn't hinder hiring and immigrants don't lower pay for native-born workers. Two others shared the award for developing ways to study these types of societal issues.

Canadian-born David Card of the University of California, Berkeley, was awarded half of the prize for his research on how the minimum wage, immigration and education affect the labor market.

The other half was shared by Joshua...