if y ain h vion of mian aa are of the population and go fromeople thome coege public to op with ahdheilse that iignts ar concentted t vy ghnd of education. abt 30% o p a immignts. you n calculate t effec of this assuming theris sive pduivity of this oup. increases iovation. ju treferring to a paper we wre,e lcate increasing workedutohe inead p t visa that was paedn e'90s and then withdrawn t 20,ay theslocal productivityueo thnflow aut 5fo collegedated and 2% for nocollege-educated. i'm gointoraitp and m going toayhathagegate level i ink th tseite in ihowed shows if immigrtsavanmpact on any part of thwa dtrution it wain the '90anitasin of normal relative to the he decades. beeoc levelits sitivity. many good reontohi i therwalittleit of a gave effect, manotr kiles cldavofett or generad positive aect. inarticular highkied imgration can help aan impoancoritor. thk you. sorry. [alause] >> nexweavev lewis - new w awis --t ofessor atartmouth clege. soat professor and afliated with the nationbureau c as y have heard, isounds expert in the pa of imgration on trreneurip. telo other elated ids. he h