//-->
COMPETITIVE DIFFUSION
JOVANOVIC, B., (1988)
QUALITY LEDDERS IN THE THEORY OF GROWTH.
GROSSMAN, G.M., (1989)
Innovation and Product Differentiation.
Dutta, P.K., (1991)
QUALITY LADDERS AND PRODUCT CYCLES.
Trade Wars and Trade Talks.
Grossman, G.M., (1992)
Hysteresis In The Trade Pattern.
Grossman, G.M., (1990)