Tselekounis, Markos; Orfanou, Georgia; Varoutas, Dimitris - 2014
We study the impact of the access charges of copper and fiber unbundling on an incumbent's incentives to invest in … copper and fiber markets. We show that when the regulator can freely set either the copper or the fiber access charge, there … is a positive correlation between the fixed fiber (respectively, copper) access charge and the copper (respectively …