00314pab a2200121 454500008004000000100002100040245005200061260000900113300001500122362000800137650001800145773002900163180718b2015   xxu||||| |||| 00| 0 eng d  aHerr, Jane Leber  aThe labor supply effects of delayed first birth  c2015  ap.630-637.  aMay  aLabour supply  aAmerican Economic Review