We analyze …firms incentives to bundle and tie in the telecommunications industry. As a fi…rst step, we develop a discrete-choice demand model where fi…rms sell products that may combine several services in bundles, and consumers choose assortments of different types of products available...

The question of whether bundles of telecommunication services are relevant product markets is addressed. As a first step, demand for bundles of services, as well as the associated services, is modeled as a discrete choice problem with a potentially large number of products. A unique invoice...

The development of the broadband market is a key aspect of the economic and social growth of a country. However, despite the importance and the development of broadband market in Portugal in recent years, especially with the explosion of the number of mobile broadband accesses, the studies for...

The European Commission believes that for the regulation of next generation fixed telecommunications networks the continuity approach is preferable to the equality of access approach and the no-regulation approach. According to the European Commission, (i) functional separation eliminates...

In this article, one makes two points about the impact of bundles on competition and regulatory policy. First, one argues that the growing importance of bundles requires an adjustment in the current framework of relevant product markets for individual services, and that the traditional tools of...

We study the investment of a telecommunications incumbent in quality and in cost reduction when an entrant can use its network through unbundling of the local loop. We fi?nd that unbundling may lower incentives for quality improvements, but raises incentives for cost reduction. Therefore, it is...

We study the impact of access regulation on an entrant's decision whether to invest in a telecommunications network or to ask for access when the regulator cannot observe its efficiency level. We show that an efficient entrant may have incentives to target low demand after entry in order to...

This papers studies if access price regulation has an impact on incumbents' incentives to invest in their network that might differ according to the nature of investments, that is, quality-upgrading and cost-reducing. It is shown that if the marginal cost of quality-upgrading is very low both...

We analyze the incentives of a vertically integrated firm, which is a regulated monopolist in the wholesale market and competes with an entrant in the retail market, to invest and to give access to a new wholesale technology. The new technology represents a non-drastic innovation that produces...