Supplementary Information : Tracking Employment Shocks Using Mobile Phone Data

Jameson L. Toole, ∗ Yu-Ru Lin, Erich Muehlegger, Daniel Shoag, Marta C. González, and David Lazer Engineering Systems Division, MIT, Cambridge, MA, 02144 School of Information Science, University of Pittsburgh, Pittsburgh, PA 15260 Department of Economics, UC Davis, Davis, CA 95616 Harvard Kennedy School, Harvard University, Cambridge, MA, 02144 Department of Civil and Environmental Engineering, MIT, Cambridge, MA, 02144 Lazer Laboratory, Northeastern University, Boston, MA 02115, USA