Chu, Angus C.; Cozzi, Guido; Galli, Silvia - Institute of Economics, Academia Sinica - 2009
This study develops an R&D-based growth model that features both vertical and horizontal innovation to shed some light … on the current debate on whether patent protection stimulates or stifles innovation. Specifically, we analyze the growth … ladder. We show that patent protection has asymmetric effects on vertical innovation (i.e., quality improvement) and …