00301pab a2200121 454500008004000000100002500040245003500065260000900100300001300109362000800122650002000130773002900150180718b2015   xxu||||| |||| 00| 0 eng d  aSummers, Lawrence H.  aDemand side secular stagnation  c2015  ap.60-65.  aMay  aEconomic growth  aAmerican Economic Review