We provide a dynamic model to study how the presence of the option to buy the incumbent local exchange carrier's (ILEC) facilities via local loop unbundling affects the competitive local exchange carriers' (CLECs) incentives to build alternative infrastructures. We show that an unregulated...

We investigate cooperative investment in a new infrastructure and how it interacts with access obligations and demand uncertainty. Co-investment only increases total coverage if service differentiation and/or cost savings from joint investment, in particular due to high uncertainty, are high....

Investments in Next Generation Access Networks (NGANs) ask for a new set of regulatory remedies. This paper contributes to this debate by focusing on three issues: the migration from the legacy copper network to the NGA infrastructure, and how wholesale pricing regulation might affect this...