Assertion: immigrant's age | /r/HasAspect | beneficial long-term effects
Facets:
value: on u.s. economic prosperity
type: TRANSITIVE-OBJECT
value: substantially
type: DEGREE
Source sentences:
text: A study by Nathan Nunn, Nancy Qian and Sandra Sequeira found that the Age of Mass Migration (1850–1920) has had substantially beneficial long-term effects on U.S. economic prosperity: "locations with more historical immigration today have higher incomes, less poverty, less unemployment, higher rates of urbanization, and greater educational attainment.