英语翻译
Thespecificationofasystemofsimultaneousequations
necessitatestheuseoftwotechnicalrefinementsrelativeto
OLSestimation.First,theestimationneedstobeadjusted
toconsiderthepossiblecorrelationbetweenthevarious
equations.Second,itmaybebeneficialtoaccountforthe
possibilityofendogenouslydeterminedexplanatoryvariables.
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