America 's exploding economic inequality threatens middle class , says Paul Osterman . Nor is improving education ; that 's obviously important , but it will take many years to have an impact . A lack of job quality contributes to growing inequality , he says . He says that 20 % of American adults work in jobs that pay poverty wages . Until we focus on job quality , we can not expect any significant progress , he says .
America 's exploding economic inequality threatens middle class , says Paul Osterman . A lack of job quality contributes to growing inequality , he says . He says that 20 % of American adults work in jobs that pay poverty wages . Until we focus on job quality , we can not expect any significant progress , he says .