McAleer, Michael (contributor); … - 2005
intuitively and empirically appealing. This book investigates the impact of U.S.A. patent activity on technical change in 35 … industries given in the KLEM (Jorgenson, 1996) data set for the period 1958-1996. Four patent variables, namely total patent … applications, total patents granted, unsuccessful patent applications and foreign patents granted, are introduced as technology …