00343pab a2200121 454500008004000000100002600040245006700066260000900133300001700142362000800159650002500167773002900192180718b2011   xxu||||| |||| 00| 0 eng d  aAlexopoulos, Michelle  aRead all about it!! What happens following a technology shock?  c2011  ap.1144-1179.  aJul  aTechnological change  aAmerican Economic Review