About: http://webisa.webdatacommons.org/138065122

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	Thus, I concur that the aggregate level view completely misses the dynamic that shapes the the value of the particularly moments and thus as you say are the lazy man's econometric study.
http://www.w3.org/ns/prov#wasQuotedFrom	econlib.org