About: http://webisa.webdatacommons.org/96872055

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	How much unions raise wages, for whom, and the consequences of unionization for workers, firms, and the economy have been studied by economists and other researchers for over a century (for example, the work of Alfred Marshall).
http://www.w3.org/ns/prov#wasQuotedFrom	epi.org