A substantial share of customers in emerging markets use dual-SIM phones and subscribe to two mobile networks. A primary motive for so called multi-simming is to take advantage of cheap on-net services from both networks. In our modelling effort, we augment the seminal model of competing...

Recent claims that online platforms have secured permanent monopolies, protected by barriers to entry from network effects and stockpiles of data, and should be the focus of intense antitrust and regulatory scrutiny, are inconsistent with the economics, technology, and history of online...

This paper provides an economic analysis of recent vertical and horizontal mergers in the U.S. industry for audiovisual media content, including the AT&T-Time Warner and the Disney-Fox mergers. Using a theory-driven approach, we examine economic effects of these types of mergers on market...

France Telecom (FT), SFR and Bouygues Telecom (BT) have been fined by France's Conseil de la Concurrence (CC) for organizing a mobile phone cartel with stable market shares (one-half, one-third and one-sixth respectively) and for directly exchanging commercial information. While not contesting...

In a referendum on 23rd June 2016, the United Kingdom (UK) voted for ‘Brexit’, i.e., to leave the European Union (EU). After some delay the government will invoke Article 50 TEU, which would begin a two-year period of negotiation for a withdrawal agreement, after which the EU treaties would...

This paper investigates the relationship between technical progress, competition, and the impact on consumer's surplus and welfare. A Hotelling model in symmetrical duopoly with full market coverage is introduced. Firms invest in order to improve the quality of their offer and thus consumers'...

We discuss the strong connections between auction theory and "standard" economic theory; we show that situations that do not at first sight look like auctions can be recast to use auction-theoretic techniques; and we argue that auction-theoretic tools and intuitions can provide useful arguments...

Mobile telecommunications has been a considerable success with consumers, yet markets are oligopolies designed by governments and by industry, with many flaws, including limited ability to regulate prices, quality of service and coverage. Markets have been partially opened to competition, with...

South Africa has performed poorly in delivering broadband to its citizens, with very limited access and little effort to boost its adoption. It compares badly to the BRICs and to other comparable nations, while having lost its position as African leader. The African National Congress (ANC)...

GPON and point-to-point (P2P) architectures for FTTH Networks can deliver essentially the same services to residential customers. There have been calls for regulators to mandate or privilege P2P architectures because of its potential for unbundling at more levels. However, GPON’s lower civil...