The purpose of this paper is to study competition policy on mobile broadband, consisting of 3G and 4G (LTE).Currently mobile broadband has been developing rapidly and its access speed amounts to 150Mbps for the latest 4G, which is similar to fixed broadband. This paper analyzesthe factors affect...

The sharp rise in electricity prices has led to a discussion on possible subsidies for companies in the form of an industrial power tariff. The subsidies should help companies remain internationally competitive and prevent them from relocating overseas. Although German electricity prices for...

Platforms often display their products ahead of third-party products in search. Is this due to consumers preferring platform-owned products or platforms engaging in self-preferencing by biasing search towards their own products? What are the welfare implications? I develop a structural model of...