About: http://webisa.webdatacommons.org/403544860

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	However, a margin is a limit, and the whole marginalist pricing theory of modern economics is based on the price at the limit.
http://www.w3.org/ns/prov#wasQuotedFrom	timesizing.com