unbundling regulations on new optical-fiber lines. I find that unbundling regulation prevents new providers from building optical … particular, when a new technology is introduced, unbundling regulation has an oligopolization effect on the regulated firms. This … finding in the Japanese telecommunications industry suggests that unbundling regulation during periods of new technology …

We examine empirically the proposition that mandatory unbundling is the key to increasing broadband penetration in … Mexico. We begin by reviewing the empirical economic literature on the relationship between mandatory unbundling and two … measures of economic performance: (1) broadband penetration and (2) investment by entrants and incumbent network owners. We …

regulated access. -- Telecommunications ; access regulation ; unbundling ; investment …

provides particularly interesting insights for studying regulatory unbundling. Based on the theory of monopolistic bottle …-necks the fallacies of overregulation by undue unbundling obligations are indicated. Neither the promotion of infrastructure … competition by mandatory unbundling of competitive subparts of telecommunications infrastructure, nor regulatory induced network …

We study the impact of the access charges of copper and fiber unbundling on an incumbent's incentives to invest in … enhance the broadband investment environment. …