This paper investigates a model of endogenous product differentiation between large well established and small newly established firms. Small firms should have greater growth potential than large mature firms whose growth potential tapers off once they reach a certain size relative to the...

Which products are potentially produced together? When demand for a product increases, which firms will supply it? Using multi-product production patterns within and across firms, we recover a continuous cost-based distance between firms and unproduced products. Higher product distance implies...