There is no consensus on the method to set transmission tariffs for natural gas. The entry–exit system is widely used in European markets because it is cost reflective, it allows the network users to separately book capacity for entry and exit points, beyond its pro-competitiveness...

In this paper we discuss the European regulation policy regarding vertical separation in communications and electricity industries. In the electricity sector the discussion concerns ownership unbundling while in communications the recent regulatory debate is about functional separation. We...

In this paper we discuss the European regulation policy regarding vertical separation in communications and electricity industries. In the electricity sector the discussion concerns ownership unbundling while in communications the regulatory debate is about functional separation. We conclude...

This article focuses on the location decision of firms when competing in a duopoly. Using a spatial Cournot setting, we evaluate what is the optimal location decision of both firms in the linear city. Our original contribution is that firms are dependent on a natural resource input to be able to...

The model that we develop here considers that an upstream firm sells a vital input to downstream firms. There are vertical spillovers and two different regulatory policies of the input price: cost oriented regulation and no-regulation. We also admit two alternative market structures: vertical...

We compare the costs oftwo regulatory policies about the entry ofnew firms. We consider an incumbent firm that has more information about the market demand than the regulator and can use this advantage to persuade the regulator to make entry more difficult. With the first regulatory policy the...

We analyse the impact of FDI on market concentration for the Portuguese manufacturing industries in the 2006–2009 period. Using panel data estimation, and after controlling for other determinants of industry concentration (entry barriers, market size, and growth), we found a significant...