http://www.brookings.edu/research/reports2/2016/03/31-concentrated-poverty-recession-kneebone-holmes?utm_campaign=Brookings+Brief&utm_source=hs_email&utm_medium=email&utm_content=27975443&_hsenc=p2AN qtz--qvlEnspJp6qpJ7rREfi5UlVyJhEJ6DdoWbg1qQYMpHzHY_e82s_QI3YDnFqkA6BhAoT3n5buyxP0fqvMG2T6GO92PCr2 AD2WSQg02_v8ut6NFAKc&_hsmi=27975443