Summary statistics for itm_val_num variable in snf_nmrc2540_96_2009_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num |  8,927,517    598981.4     3710506  -3.83e+08   1.21e+09

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