Summary statistics for itm_val_num variable in snf_nmrc2540_96_1998_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num | 10,223,087    304998.2    2.47e+07  -4.44e+10   2.00e+09

by Jean Roth , jroth@nber.org , 17 Feb 2018