About: http://webisa.webdatacommons.org/272007673

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	There are several reasons why national borders impact negatively on trade, including language and cultural differences as well as other trade frictions.
http://www.w3.org/ns/prov#wasQuotedFrom	voxeu.org