About: http://webisa.webdatacommons.org/116184326

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	I think almost any economist, including the authors, would answer that it does so by restricting entry into those licensed occupations.
http://www.w3.org/ns/prov#wasQuotedFrom	acton.org