▁ ▁Bar rett ▁received ▁a ▁Bach elor ▁of ▁Arts ▁degree ▁from ▁Tr inity ▁College ▁Dublin ▁in ▁ 1 9 8 9 ▁and ▁a ▁Master ▁of ▁Arts ▁degree ▁in ▁ 1 9 9 1 ▁from ▁Michigan ▁State ▁University . ▁In ▁ 1 9 9 4 , ▁he ▁was ▁awarded ▁a ▁Ph . D . ▁from ▁Michigan ▁State ▁University ▁with ▁a ▁th esis ▁entitled ▁“ Three ▁Ess ays ▁on ▁the ▁Labor ▁Market ▁Character istics ▁of ▁Im migr ants ”. ▁ ▁Career ▁ ▁Bar rett ▁joined ▁the ▁ES RI ▁in ▁ 1 9 9 4 , ▁upon ▁comple ting ▁his ▁Ph . D . ▁Since ▁then , ▁his ▁research ▁has ▁been ▁widely ▁published ▁in ▁journ als ▁such ▁as ▁Labour ▁Econom ics , ▁Journal ▁of ▁Population ▁Econom ics , ▁Oxford ▁Review ▁of ▁Econom ic ▁Policy , ▁Econom ics ▁Let ters , ▁Indust rial ▁and ▁Labor ▁Rel ations ▁Review , ▁British ▁Journal ▁of ▁Indust rial ▁Rel ations , ▁European ▁Journal ▁of ▁Population , ▁International ▁M igration ▁Review , ▁Population ▁Research ▁and ▁Policy ▁Review , ▁Econom ic ▁and ▁Social ▁Review ▁and ▁National ▁Institute ▁Econom ic ▁Review . ▁ ▁In ▁ 1 9 9 7 ▁he ▁co - author ed ▁a ▁book ▁on ▁environmental ▁econom ics , ▁The ▁F is cal ▁System ▁and ▁the ▁Pol l uter ▁Pays ▁Princi ple : ▁A ▁Case - stud y ▁of ▁Ireland . ▁Between ▁ 2 0 0 5 ▁and ▁ 2 0 1 0 , ▁he ▁was ▁a ▁co - author ▁of ▁the ▁ES RI ’ s ▁Qu arter ly ▁Econom ic ▁Comment