Summary statistics for itm_val_num variable in snf_nmrc2540_96_2005_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num |  8,097,681    503956.8     5475555  -2.82e+08   7.01e+09

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