About: http://webisa.webdatacommons.org/340430572

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	McKinsey argued that, during the twentieth century, the prices of natural energy, food, water and materials such as steel all fell, supporting economic growth in the process.
http://www.w3.org/ns/prov#wasQuotedFrom	investorintel.com