About: http://webisa.webdatacommons.org/260897374

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	By the 1980s, with calculating muscle inexorably increasing on the trading desk, it had become far easier to identify, price, and trade different kinds of options.
http://www.w3.org/ns/prov#wasQuotedFrom	hbr.org