ECONOMETRIC MODEL -An equation or a set of related equations used to analyze economic data through mathematical and statistical techniques.
( ( ( ( ECONOMETRIC MODEL ) - ) ( ( ( An equation ) or ) ( ( a set ) ( of ( ( related equations ) ( used ( to ( ( analyze ( economic data ) ) ( through ( mathematical ( and ( statistical techniques ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP ECONOMETRIC) (NNP MODEL)) (: -) (NP (NP (DT An) (NN equation)) (CC or) (NP (NP (DT a) (NN set)) (PP (IN of) (NP (NP (JJ related) (NNS equations)) (VP (VBN used) (S (VP (TO to) (VP (VB analyze) (NP (JJ economic) (NNS data)) (PP (IN through) (NP (JJ mathematical) (CC and) (JJ statistical) (NNS techniques))))))))))) (. .)))
Economic models are not related to data
( ( Economic models ) ( ( are not ) ( related ( to data ) ) ) )
(ROOT (S (NP (NNP Economic) (NNS models)) (VP (VBP are) (RB not) (ADJP (VBN related) (PP (TO to) (NP (NNS data)))))))