PropertyValue
?:author
?:citation
?:datePublished
  • 2011-06-07 (xsd:date)
is ?:itemReviewed of
?:keywords
?:mentions
?:text
  • From 1947 to 1979, family incomes for rich, middle-income and poor Americans grew about the same rate. But since 1979, incomes for rich families have grown much faster. (en)
rdf:type