00400pab a2200133 454500008004000000100001900040245010300059260000900162300001600171362000800187650001400195700002200209773003500231180718b2009   xxu||||| |||| 00| 0 eng d  aLalive, Rafael  aHow does parental leave affect fertility and return to work? Evidence from two natural experiments  c2009  ap.1363-402.  aAug  aFertility  aZweimuller, Josef  aQuarterly Journal of Economics