▁adopt s ▁Smith ' s ▁theory ▁of ▁value . ▁This ▁new ▁thought ▁process ▁goes ▁against ▁his ▁previous ▁belief ▁that ▁there ▁is ▁no ▁accurate ▁way ▁to ▁measure ▁an ▁object ' s ▁value . ▁ ▁Although ▁this ▁new ▁conclusion ▁would ▁only ▁call ▁for ▁revision ▁of ▁the ▁sixth ▁and ▁sevent h ▁sections ▁of ▁his ▁second ▁chapter , ▁Mal th us ▁uses ▁this ▁new ▁revel ation ▁as ▁an ▁exc use ▁to ▁re - ex am ine ▁his ▁whole ▁book . ▁For ▁the ▁most ▁part , ▁his ▁add itions ▁simply ▁clarify ▁sections ▁and ▁o mit ▁ideas ▁more ▁clear ▁in ▁other ▁sections . ▁He ▁does ▁not ▁alter ▁any ▁of ▁his ▁main ▁ideas ▁in ▁his ▁book . ▁Mal th us ▁died ▁before ▁he ▁was ▁able ▁to ▁publish ▁the ▁new ▁edition , ▁but ▁it ▁is ▁believed ▁he ▁made ▁all ▁his ▁intended ▁alter ations . ▁His ▁work ▁was ▁later ▁collected ▁and ▁published ▁in ▁ 1 8 3 6 . ▁ ▁Res p ons es ▁and ▁Crit iques ▁of ▁his ▁Work ▁ ▁Mal th us ' ▁book ▁received ▁mixed ▁feedback ▁from ▁other ▁econom ists ▁of ▁the ▁time . ▁Tw enti eth ▁century ▁British ▁econom ist ▁John ▁May n ard ▁Ke yn es ▁is ▁considered ▁an ▁adm ir er ▁of ▁Mal th us ' ▁work . ▁In ▁fact , ▁he ▁is ▁even ▁quoted ▁in ▁saying , ▁“ If ▁only ▁Mal th us , ▁instead ▁of ▁Ric ardo , ▁had ▁been ▁the ▁parent ▁stem ▁from ▁which ▁nin ete enth - century ▁econom ics ▁proceeded , ▁what ▁a ▁much ▁w iser ▁and ▁rich er ▁place ▁the