<http://webisa.webdatacommons.org/15889430>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<warwick.ac.uk> .
<http://webisa.webdatacommons.org/prov/14801192>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15889430> .
<http://webisa.webdatacommons.org/15889430>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/15889430>	<http://www.w3.org/ns/prov#value>	"???This issue is particularly important for economics as it has a bearing on decisions about public investments and environmental protection measures - actions which typically involve paying a cost today in order to produce a public benefit tomorrow.???" .