Account-1: @NewAmericanEcon (Twitter)Account-2: @CatoInstituteDate: Wednesday, May 31, 2017Body: .@jeffreyamiron & @CatoInstitute break down the positive long-run economic effects of immigration. https://t.co/K5jTOL68YELink: https://twitter.com/NewAmericanEcon/status/870017289986260996Social Action: featured in a tweet