[3]
How High Are the Giants' Shoulders: An Empirical Assessment of Knowledge Spillovers and Creative Destruction in a Model of Economic Growth[J] . NBER Macroeconomics Annual . 1993
[3]
How High Are the Giants' Shoulders: An Empirical Assessment of Knowledge Spillovers and Creative Destruction in a Model of Economic Growth[J] . NBER Macroeconomics Annual . 1993