Helpman, Elhanan; Trajtenberg, Manuel - National Bureau of Economic Research (NBER) - 1996
History and theory alike suggest that General Purpose Technologies (GPT's), such as the steam engine or electricity, may play a key role in economic growth. In a previous paper (Helpman and Trajtenberg, 1994) we incorporated this notion into a Grossman-Helpman growth model, and explored the...