About: http://webisa.webdatacommons.org/29125715

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	If no information is provided about quantities produced, except about their prices then the opportunity cost can be computed in terms of the ratio of their respective prices, say Px/Py.
http://www.w3.org/ns/prov#wasQuotedFrom	mbaknol.com