00330pab a2200121 454500008004000000100001900040245007000059260000900129300001300138362000800151650002000159773002900179180718b1999   xxu||||| |||| 00| 0 eng d  aGabaix, Xavier  aNew ideas on economic growth: Zipf's law and the growth of cities  c1999  ap.129-32  aMay  aEconomic growth  aAmerican Economic Review