provide higher quality services to all consumers. The externality renders the market outcome inefficient. Price regulation … partially overcomes this inefficiency and Pareto-improves upon the market outcome. If market entry of experts is endogenous …, price regulation should be accompanied by licensing arrangements that cap the number of experts in the market. Our theory …

This paper investigates the impacts of the current roaming rules on domestic competition and welfare. We consider a … wholesale roaming charges can be sensitive to this regulatory regime. Since introducing a fair use clause in roaming regulation …

We introduce a model of asymmetric competition where two network operators with different investment costs may build an … network operators build an infrastructure. We also show that potential entry of a virtual operator increases welfare if the … virtual operator requests access from the low cost network operator, because it reduces the geographical area where both …

This paper models competition between two firms, which provide broadband In-ternet access in regional markets with …-based and facility-based entry. The usual trade-off between static and dynamic efficiency does not apply in the sense that … the entrant's investment decision. While investment lowers marginal costs in regions with facility-based entry, it …

economic laboratory experiment we compare the market outcomes under unregulated wholesale competition, under a price … scenario. In contrast, we do not find evidence that a margin squeeze regulation reduces retail market prices. In fact, while …

regulation. In our example, the termination rates have been part of a vertical restriction strategy. The observed network … competition, rest on a cost-based asymmetric price regulation. The further research allows a statistical assessment of the …In theory, network profits are independent of the reciprocal termination rates when operators charge nondiscriminatory …