00292    a2200121   4500020001500000082001300015100002300028245002800051260003300079300002100112650001400133700002300147  a019877639x  a330bLIP  aLipsey, Richard G.  aPrinciples of economics  aNew YorkbOxfordc1999g1999  axvi, 640p.c25cm  aECONOMICS  aChrystal, K. Alec