J. Edward Taylor, Mateusz Filipski (Affiliate in Economics), Mohamad Alloush, Anubhab Gupta, Ruben Irvin Rojas Valdes, and Ernesto Gonzalez-Estrada // July 5th, 2016 // Proceedings of the National Academy of Sciences of the United States of America
Caitlin Patler and Jorge A. Cabrera (California State University Dominguez Hills) // June 15th, 2015 // UCLA: Institute for Research on Labor and Employment