Platforms may give preferential treatment to their own products in search results. Whether and how to regulate this self-preferencing behavior is an intensely debated antitrust issue. This paper identifies self-preferencing and quantifies its equilibrium welfare effects in Apple App Store. I...

For three decades the government of South Africa has sought to make telecommunications universally available and affordable. In its last days, the National Party government persuaded with the African National Congress (ANC) there should be licences for two competing international groups to build...

Google distributes proprietary applications for its open-source Android mobile operating system (OS) free of charge. Some of those applications (apps) are offered together as a suite of apps known as Google Mobile Services (GMS). Manufacturers of mobile devices can agree, pursuant to Google's...

Since 2010, Google, Apple, Facebook, Amazon, and Microsoft (GAFAM) have acquired more than 400 companies. Competition authorities did not scrutinize most of these transactions and blocked none. This raised concerns that GAFAM acquisitions target potential competitors yet fly under the radar of...

A recent proposal for net neutrality regulation in the wireless industry suggests carriers should open their networks in particular ways. The proposal advocates creating standards that will make it easier for developers to write applications and for hardware firms to create devices that will...

Telecommunication sector faces to parallel investments into both fiber and 5G, however due to monetization challenges, return on investments often lag behind normal profit expectations. Co-investment, like mobile network sharing can promote cost efficiency, however cooperation raises regulatory...

There is an investment gap to reach EU Digital Decade 2030 connectivity targets that require from operators to provide full fixed and mobile broadband coverage. The reason is the lack of economies of scale, therefore return on investment often lags behind cost of capital in fragmented European...

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...

If one or two cellular carriers gain control of enough spectrum, they may be able to prevent current and potential rivals from getting the spectrum needed to compete effectively. Thus, regulators typically attempt to protect competition through some form of limit on how much spectrum any one...

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...