00366pab a2200133 454500008004000000100002400040245006600064260000900130300001600139362000800155650002000163700002000183773002900203180718b2004   xxu||||| |||| 00| 0 eng d  aRomer, Christina D.  aA new measure of monetary shocks: derivation and implications  c2004  ap.1055-084.  aSep  aMonetary policy  aRomer, David H.  aAmerican Economic Review