00338pab a2200121 454500008004000000100002100040245006000061260000900121300001200130362000800142650002000150773004600170180718b2012   xxu||||| |||| 00| 0 eng d  aCoibion, Olivier  aAre the effects of monetary policy shocks big or small?  c2012  ap.1-32.  aApr  aMonetary policy  aAmerican Economic Journal: Macroeconomics