APA
Rossi-Hansberg E., National Bureau of Economic Research, Sarte P. & Trachter N. (2018). Diverging trends in national and local concentration. Cambridge: NBER.
Chicago
Rossi-Hansberg Esteban, National Bureau of Economic Research, Sarte Pierre-Daniel and Trachter Nicholas. 2018. Diverging trends in national and local concentration. Cambridge: NBER.
Harvard
Rossi-Hansberg E., National Bureau of Economic Research, Sarte P. and Trachter N. (2018). Diverging trends in national and local concentration. Cambridge: NBER.
MLA
Rossi-Hansberg Esteban, National Bureau of Economic Research, Sarte Pierre-Daniel and Trachter Nicholas. Diverging trends in national and local concentration. Cambridge: NBER. 2018.