Summary statistics for crtfct_efctv_dt variable in posclia2018 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- crtfct_efc~t | 504,763 2.01e+07 80476.69 1.99e+07 2.02e+07 by Jean Roth , jroth@nber.org , 15 Feb 2019