In recent years the theory of macroeconomic growth has seen an expanding literature building upon the idea that technological change is localized (technology-specific) to investigate various phenomena such as leapfrogging, take-off, and social mobility. In this paper I explore the relationship...

This paper is motivated by two 'stylized facts' concerning the dynamics of diffusion of different technologies competing for the same market niche. a) A stable pattern of market sharing with no overwhelming dominant position is rarely observed in markets with network esternalities. Unbounded...