Matt Kahn and Mac McComas - Unlocking the Potential of Post-Industrial Cities Matt Kahn, Provost Professor of Economics at the University of Southern California, and Mac McComas, senior program manager at John Hopkins’ 21st Century Cities Initiative, joins us to discuss their recent book, Unlocking the Potential of Post-Industrial Cities. Appendices: Mac McComas: Two episodes of Jennifer Doleac's podcast Probable Causation: Episode 33: Jason Lindo on Violent Media Content and Episode 16: Stephen Billings on Lead and Crime. Matt Kahn: Stephen A’s World on ESPN. Greg Shill: Can Removing Highways Fix America’s Cities? Jeff Lin: Rethinking Detroit by Raymond Owens III, Esteban Rossi-Hansberg, and Pierre-Daniel Sarte. Follow us on the web or on Twitter: @denselyspeaking, @jeffrlin, @greg_shill, @mattkahn1966, and @MacMc21CC. Producer: Schuyler Pals. The views expressed on the show are those of the participants, and do not necessarily represent the views of the Federal Reserve Bank of ...