00549nam a2200169Ia 4500082002100000100004300021245005000064260004300114300002200157500000500179690000600184700003300190952011500223964001700338921000900355999001500364  a338.901bG878.IG  aGrossman, Gene M. and Helpman, Elhanan  aInnovation and growth in the global economyb  aCambridgebMIT Pressc1991 (Rep. 1992)  axiv, 359p. Index,  a  a   aHelpman, Elhanan ; jt. auth.  00104070aISIbISId1998-08-24l1o338.901 G878.IGpDP22215r2019-05-14 00:00:00s2019-04-24w2019-02-14yBK  abcdefg  a5894  c5894d5894