Summary statistics for impact1988 dataset :

by Jean Roth , jroth@nber.org , 17 Mar 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    provider |          0
       fyear |      4,362        1988           0       1988       1988
      tacmiv |      4,362     1.17787    .1656511      .6145     2.1617
   wageindex |      4,362    1.094467    .1855479   .8241853   1.762161
       ppsid |      4,362    259942.8    147757.7      10001     530032
-------------+---------------------------------------------------------
      caseta |          0
  sum_rltwts |          0

by Jean Roth , jroth@nber.org , 17 Mar 2016