▁Clar ence ▁Ed win ▁Ay res , ▁both ▁known ▁as ▁" inst itution al ▁econom ists ". ▁They ▁exposed ▁him ▁to ▁literature ▁by ▁authors ▁such ▁as ▁Thor stein ▁V eb len , ▁John ▁De we y , ▁and ▁William ▁Graham ▁Sum ner . ▁Par s ons ▁also ▁took ▁a ▁course ▁with ▁George ▁Brown ▁in ▁the ▁philosophy ▁of ▁Im manuel ▁Kant ▁and ▁a ▁course ▁in ▁modern ▁German ▁philosophy ▁with ▁Otto ▁Mant he y - Z orn , ▁who ▁was ▁a ▁great ▁interpreter ▁of ▁Kant . ▁Par s ons ▁showed ▁from ▁early ▁on , ▁a ▁great ▁interest ▁in ▁the ▁topic ▁of ▁philosophy , ▁which ▁most ▁likely ▁was ▁an ▁echo ▁of ▁his ▁father ' s ▁great ▁interest ▁in ▁the ology ▁in ▁which ▁tradition ▁he ▁had ▁been ▁prof ound ly ▁social ized , ▁a ▁position ▁unlike ▁with ▁his ▁profess ors '. ▁ ▁Two ▁term ▁papers ▁that ▁Par s ons ▁wrote ▁as ▁a ▁student ▁for ▁Clar ence ▁E . ▁Ay res ' s ▁class ▁in ▁Philosoph y ▁III ▁at ▁Am her st ▁have ▁surv ived . ▁They ▁are ▁referred ▁to ▁as ▁the ▁Am her st ▁Pap ers ▁and ▁have ▁been ▁of ▁strong ▁interest ▁to ▁Par s ons ▁sch ol ars . ▁The ▁first ▁was ▁written ▁on ▁December ▁ 1 9 , ▁ 1 9 2 2 , ▁" The ▁Theory ▁of ▁Human ▁Be havior ▁in ▁its ▁Ind ividual ▁and ▁Social ▁As pect s ." ▁The ▁second ▁was ▁written ▁on ▁March ▁ 2 7 , ▁ 1 9 2 3 , ▁" A ▁Be havior istic ▁Con ception ▁of