TY - RPRT T1 - Frontier Culture: The Roots and Persistence of 'Rugged Individualism' in the United States AU - Bazzi, Samuel AU - Fiszbein, Martin AU - Gebresilasse, Mesay PY - 2017 DO - 10.3386/w23997 T2 - National Bureau of Economic Research Working Paper Series IS - 23997 CY - Cambridge, MA PB - National Bureau of Economic Research (NBER) ER -